Models	Frequency	range
N991xC N9912C	3 kHz to	4/6.5/10 GHz
N9913C	3 kHz to	4 GHz
N9914C	3 kHz to	6.5 GHz
N9915C	3 kHz to	10 GHz
Frequency reference	-10 to	55 °C
Accuracy	± 0.9 ppm (spec) + aging
± 0.5 ppm (typical) + aging
Aging Rate	± 1 ppm/yr for	20 years (spec), will not exceed ± 3.5 ppm

二、频率分辨率规格

条件：System impedance 50 Ω (nominal), 75 Ω with appropriate adapter and calibration kit 1 The maximum drift expected in the frequency reference applicable when the ambient temperature changes ±5°C from the temperature when the GPS signal was last connected.

3 kHz to 1.49961 GHz

0.34 Hz

> 1.49961 to 2.99961 GHz

0.67 Hz

> 2.99961 GHz to 5.99961 GHz

1.34 Hz

> 5.99961 GHz to 10 GHz

2.68 Hz

Data points or resolution 101, 201, 401, 601, 801, 1001, 1601, 4001

10,001

Arbitrary number of points settable through front panel and SCPI

IF bandwidth2

3 Hz, 10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz

100 kHz

2 VNA mode only. Recommend using averaging in CAT mode.

三、测试端口输出规格

High power in the N991xC refers to the analyzer’s target output power level when the Power Setting is

High. An example

• N991xC: For a 58.4 MHz to 10 GHz frequency sweep, the analyzer achieves an

8 dBm power level

across the band

Low power level for N991xC analyzers flattens at -50 dBm across the entire frequency band and is the

分析仪’s 输出 when 功率设置低

Max leveled power in the N991xC refers to the maximum leveled (flattened) power achieved across the

designated frequency range. An example

• N991xC: For a

58.4 MHz to 10 GHz frequency sweep with the analyzer configured to measure all four

S-parameters, needing both ports 1 and 2, the maximum power the analyzer can be set to is

7 dBm.

测试端口输出功率 (dBm), 高功率典型值

N991xC Port 1 or Port

3 kHz to 50 kHz

-12

> 50 kHz to 150 kHz

-6

> 150 kHz to 300 kHz

-2

> 300 kHz to 800 kHz

> 800 kHz to 3.45 MHz

> 3.45 MHz to 58.4 MHz

> 58.4 MHz to 10 GHz

测试端口输出功率 (dBm), 低功率典型值

条件：Max leveled output power (dBm) Nominal Nominal

N991xC Port 1 or Port

3 kHz to 10 GHz -50 dBm (flattened)

±0.5 dB

N991xC Port 1 Port

> 3.45 MHz to 58.4 MHz

> 58.4 MHz to 10 GHz

输出功率范围

CAT High, low, and manual. Default (preset) power is manual

−15 dBm.

Manual power is flattened

VNA High, low, and manual. Default (preset) power is manual

−15 dBm.

功率 step 尺寸

Power settable in 1 dB steps across power range. Flat power, in 1 dB steps, is available across the whole

频率跨度, 标称值

Power level accuracy1 Typical

N991xC Port 1 or Port

2 at -20 dBm

3 kHz to 300 kHz

± 0.6 dB

> 300 kHz to 10 GHz

± 0.5 dB

功率电平线性度标称值

N991xC Port 1 or Port

−50 dBm ≤ P < max leveled power

> 10 MHz to 10 GHz

± 0.45 dB

四、系统性能规格

条件：Measurement stability over temperature Nominal Nominal

3 kHz to 30 kHz - 86 - 87

> 30 kHz to 1 MHz - 110 - 115

> 1 MHz to 10 MHz 102 117 101

116

> 10 MHz to 4 GHz 106 118 103

118

> 4 GHz to 6.5 GHz 104 117 104

120

> 6.5 GHz to 10 GHz 104 116 102

117

N991xC Frequency Magnitude (dB/ºC) Phase (deg/ºC)

3 kHz to 100 kHz ± 0.6

± 2.9

> 100 kHz to 10 GHz ± 0.011

± 0.4

测量速度 (扫描时间)

CAT N991xC

Return loss, 3 kHz to 10 GHz, 1-port cal, 1001 points

461 µs/pt

Distance-to-fault, 100-meter cable, 1-port cal, 1001 points

512 µs/pt

VNA N991xC

S11 and S21, 30 kHz to 10 GHz, enhanced response cal

100 kHz

IF bandwidth

1001 points

200 μs/pt

1 Power levels are calibrated based on PNA-X tuned receiver for the entire frequency range.

2 System dynamic range is measured in the factory with loads on the test ports after a thru normalization.

3 For CAT mode, “Insertion loss (2- port)”, decrease listed dynamic range specifications by

20 dB, as CAT mode IFBW is fixed at

10 kHz. Can obtain full dynamic range by using S21 measurement in VNA mode with 100 Hz IFBW.

System dynamic range2,3 (dB), high power, 300 Hz IFBW, 100-point average, Port 1 or Port

2 (-10 to 55°C)

Frequency S12 Spec S12 Typical S21 Spec S21 Typical

Trace noise, high power, 300 Hz IFBW, Port 1 or Port

2 Specifications (-10 to 55⁰C)

N991xC Frequency Magnitude (dB rms) Phase (deg rms)

3 kHz to 50 kHz 0.00521

0.0721

> 50 kHz to 5 GHz2 0.0011

0.011

> 5 GHz to 10 GHz 0.0015

0.015

接收机压缩点典型值

N991xC Frequency Port 1 or Port

250 kHz to 1.25 GHz +8 dBm

0.20 dB compression

> 1.25 GHz to 5 GHz +8 dBm

0.15 dB compression

> 5 GHz to 10 GHz +8 dBm

0.10 dB compression

Maximum input level Port 1 or Port

N991xC Average CW power DC

+25 dBm, 0.3 watts

±40 VDC

Immunity to interfering signals

N991xC Nominal

On carrier frequency

+7 dBm

Offset from carrier frequency > 1 MHz

+7 dBm

> 10 MHz

+10 dBm

1 Typical values

10 Hz IFBW.

2 Excludes frequency range between

5 MHz and 25 MHz.

CAT mode

CAT measurements Distance-to-fault (dB), Distance-to-fault (Lin)

Distance-to-fault (VSWR)

Cable loss (1-port)

Insertion loss (2-port) (requires option

211)

TDR (Lin rho) (requires option 215), TDR (ohm) (requires option

215)

TDR & DTF (requires option

215)

CAT 模式平均 Set 扫描时间 · seconds

Distance-to-fault Available in CAT mode. Standard on N991xC analyzers.

Range = velocity factor x speed of light x (# of points -1) / freq. span x

# of points auto coupled according to start and stop distance entered.

Resolution = range / (# of points

-1)

Dispersion compensation for waveguide: Yes

Return loss, log magnitude

-500 to 500 dB

Log magnitude resolution

0.01 dB

VSWR

1.01 to 1000

VSWR resolution

0.01

VNA mode

VNA Transmission/Reflection (T/R) S11, S21 magnitude and phase (requires option

210)

VNA S-parameters S11, S21, S22, S12 magnitude and phase

(N9912C requires option NAx, other N991xC requires options

210 and

211)

Number of traces Four traces available: Tr1, Tr2, Tr3, Tr4

Quad-trace overlay (all four traces on one graticule)

VNA trace formats Log magnitude, linear magnitude, VSWR, phase, Smith chart, polar,

group delay, unwrapped phase, real impedance, imaginary impedance,

扫描触发斜率 Positive, negative

Sweep trigger delay

0 to 10 seconds

Averaging Sweep: 2 to 1000; Point

2 to 500

Smoothing Computes the moving average of adjacent data points. Smoothing

aperture defines the trace width (number of points) to be averaged.

Minimum aperture

0.05% of frequency span

Maximum aperture

25% of frequency span

Scale Autoscale, scale, reference level, reference position

Autoscale: Automatically selects scale resolution and reference value to

Autoscale all: Scales all visible traces

S11, log magnitude

-500 to 500 dB

Log magnitude resolution

0.01 dB

VSWR

1.01 to 1000

VSWR resolution

0.01

Phase

-180 to +180 degrees (unwrapped phase can show larger values)

Phase resolution

0.01 degrees

Phase offset

-360 to +360 degrees

Magnitude offset

-100 to +100 dB

Trace math Vector division or subtraction of current linear measurement values and

memory data

Port extension For both port 1 and port

2, delay settings. Port extensions apply to all

通用 CAT / VNA 模式

Marker functions Peak, Next Peak, Peak Left, Peak Right, Mkr→Center, Mkr→Delay, Min

Search, Peak Excursion, Peak Threshold, Target, Bandwidth (BW, Q,

Loss), Tracking CAT mode only: Tracking

3 peaks (CAT mode)

标记 table On/关

Marker types Normal, delta, data trace and memory trace markers

标记耦合 On/关 (耦合 between 迹线)

Frequency blanking Security level: none, high. If high, all frequency information is blanked

out. An instrument preset is required to re-enable the frequency

Display data Display data, memory, data and memory, or data math

CAT and VNA mode calibrations

FieldFox analyzers offer three tiers of calibrations, thus providing users with different levels of calibration

CalReady is the most basic calibration and is sufficient for a quick pass/fail or go/no go verification. Every

FieldFox is calibrated at the factory, at test ports

1 and 2, at room temperature. CalReady can be applied

either as an “enhanced response CalReady” or a “2-port CalReady.” The default setting is

2-port

CalReady, so correction is applied to both ports. A user preference allows user to change the CalReady

methodology to enhanced response CalReady

A 30-minute warm-up period is recommended for a quick test. A

60-minute warm-up is necessary for

more stringent 测试要求

If CalReady is the basis for most measurements, the annual cal cycle must be followed, as the CalReady

Standard calibrations

Standard calibrations are the most accurate calibrations offered in FieldFox. FieldFox’s calibration engine

is based on Keysight’s flagship PNA calibration engine, and as such, offers many of the standard

calibrations. FieldFox supports both coaxial and waveguide calibrations. The table below lists the

commonly used calibrations

Keysight recommends a 30-minute warm-up period for standard calibrations. For ultimate in stability and

accuracy, a

90-minute warm-up period is necessary.

（含）和（不含）隔离度

Simultaneous magnitude and phase correction of frequency response errors

for either reflection or transmission measurements. Isolation corrects for

crosstalk errors. 1-port OSL (Port 1) 1-port OSL (Port

开路, 短路, 和 load

Traditional

1-port calibration for reflection measurements. Corrects for

Reverse enhanced response

Corrects for frequency response and source match. Partial correction for load

match for low-loss reciprocal devices

QSOLT (2-port) QSOLT or Quick short-open-load-thru is FieldFox’s default recommended

calibration for insertable devices. Full

12-term error correction. Requires fewer

connections, compared to traditional SOLT (4 compared to 7). Corrects for

directivity, source match, reflection frequency response, load match, and

transmission 频率响应

Full

2-port (unknown thru

FieldFox’s default recommended calibration for non-insertable devices. Full

12-

term error correction. Beneficial for characterizing non-insertable devices such

as Type-N to 3.5 mm, or female-female devices. Corrects for directivity, source

match, reflection frequency response, load match, and transmission frequency

TRL TRL or thru-reflect-line compensates for directivity, reflection, and transmission

frequency response in both the forward and reverse directions.

** Note: FieldFox does not offer the traditional SOLT calibration. Instead, it offers the more accurate Full

2- port (unknown thru)

FieldFox’s guided calibration wizard

条件：kit. FieldFox’s calibration wizard ensures a valid calibration selection.

FieldFox’s calibration wizard recommends a calibration type and calibration kit based on selected

parameters and connector types. Alternatively, users can select their own calibration type and calibration

Interpolation error correction

With any type of accuracy enhancement applied, interpolated mode recalculates the error coefficients

when the test frequencies are changed. The number of points can be increased or decreased, and the

start/stop frequencies can be changed, but the resulting frequency span must be a subset of the original

The FieldFox firmware supports the following connector types by default. Add other connector types with

Coaxial Waveguide

Type-N

50 ohm WR-10 WR-90

Type-N

75 ohm WR-15 WR-112

7/16 WR-19 WR-137

TNC WR-22 WR-159

Type-F WR-28 WR-187

7 mm WR-34 WR-229

3.5 mm WR-42 WR-284

2.92 mm WR-51 WR-650

2.4 mm WR-62

1.85 mm WR-75

FieldFox S-parameter measurement uncertainties

The configurations listed below include measurement uncertainties based on ISO GUM methodology

FieldFox model Calibration kit Calibration type DUT connector Uncertainty

N991xC 85518A or 85519A Full

2-port calibration Type-N Spec

N991xC 85054D Full

2-port calibration Type-N Spec

N991xC N7554A Full

2-port calibration Type-N Spec

N991xC N4690D Full

2-port calibration Type-N Spec

Corrected 测量不确定度

条件：Corrected performance table calculated using uncertainties with a coverage factor of 2.

minute warm-up time. Includes uncertainties due to drift, noise, compression, and dynamic accuracy.

N9912/13/14/15C, 85518A or 85519A, Full

2-port Cal, DUT: Type-N, Spec

Corrected performance (dB) 0.003 to 500 MHz 0.5 to 2 GHz 2 to 8 GHz

8 to 10 GHz

Directivity 40 41 34

Source match 38 34 30

Load match1 39 36 28

Reflection tracking ±00011 ±0.02 ±0.036

±0.009

Transmission tracking1 ±0.044 ±0.087 ±0.21

±0.21

Uncertainty plots: power level of -20 dBm

10 Hz IF bandwidth, no averaging, battery saver off, and 60-

Coverage factor of 1 applied to uncertainties, for ease of comparison with other industry handheld

条件：1. Load match and transmission tracking are typical values.

Corrected performance table calculated using uncertainties with a coverage factor of 2.

minute warm-up time. Includes uncertainties due to drift, noise, compression, and dynamic accuracy.

Transmission uncertainty (S21, S12)

Reflection uncertainty (S11, S22)

N9912/13/14/15C, 85054D, Full

2-port Cal, DUT: Type-N, Spec

Corrected performance (dB) 0.003 to 500 MHz 0.5 to 2 GHz 2 to 8 GHz

8 to 10 GHz

Directivity 37 37 33

Source match 37 37 33

Load match1 37 37 33

Reflection tracking ±0.00068 ±0.0019 ±0.0053

±0.0073

Transmission tracking1 ±0.004 ±0.012 ±0.038

±0.042

Uncertainty plots: power level of -20 dBm

10 Hz IF bandwidth, no averaging, battery saver off, and 60-

Coverage factor of 1 applied to uncertainties, for ease of comparison with other industry handheld

条件：Corrected performance table calculated using uncertainties with a coverage factor of 2.

minute warm-up time. Includes uncertainties due to drift, noise, compression, and dynamic accuracy.

Transmission uncertainty (S21, S12)

Reflection uncertainty (S11, S22)

1 Load match and transmission tracking are typical values.

N9912/13/14/15C, N7554A ECal, Full

2-port Cal, DUT: Type-N, Spec

Corrected performance (dB) 0.003 to 500 MHz 0.5 to 2 GHz 2 to 8 GHz

8 to 10 GHz

Directivity 44 44 42

Source match 36 32 28

Load match1 36 34 28

Reflection tracking ±0.0067 ±0.0036 ±0.054

±0.076

Transmission tracking1 ±0.063 ±0.086 ±0.14

±0.16

Uncertainty plots: power level of -20 dBm

10 Hz IF bandwidth, no averaging, battery saver off, and 60-

Coverage factor of 1 applied to uncertainties, for ease of comparison with other industry handheld

条件：Corrected performance table calculated using uncertainties with a coverage factor of 2.

minute warm-up time. Includes uncertainties due to drift, noise, compression, and dynamic accuracy.

Transmission uncertainty (S21, S12)

Reflection uncertainty (S11, S22)

1 Load match and transmission tracking are typical values.

N9912/13/14/15C, N4690D ECal Option 0DC, Full

2-port Cal, DUT: Type-N, Spec

Corrected performance (dB) 1 0.003 to 500 MHz 0.5 to 2 GHz 2 to 8 GHz

8 to 10 GHz

Directivity 45 45 40

Source match 40 43 40

Load match2 37 37 37

Reflection tracking ±0.05 ±0.03 ±0.03

±0.03

Transmission tracking2 ±0.064 ±0.063 ±0.063

±0.099

Uncertainty plots: power level of -20 dBm

10 Hz IF bandwidth, no averaging, battery saver off, and 60-

Coverage factor of 1 applied to uncertainties, for ease of comparison with other industry handheld

条件：1. When applied power exceeds -5 dBm, calibration results will be degraded from the performance indicated in this table.

2. Load match and transmission tracking are typical values.

Corrected performance table calculated using uncertainties with a coverage factor of 2.

minute warm-up time. Includes uncertainties due to drift, noise, compression, and dynamic accuracy.

Transmission uncertainty (S21, S12)

Reflection uncertainty (S11, S22)

N9912/13/14/15C, N4690D ECal Option 003, Full

2-port Cal, DUT: Type-N, Spec

Corrected performance (dB) 1 0.3 to 2 MHz 2 to 10 MHz

10 to 500

MHz 0.5 to 2 GHz 2 to 8 GHz

8 to 10 GHz

Directivity 30 40 45 45 40

Source match 28 35 40 43 40

Load match2 28 35 40 37 37

Reflection tracking ±0.12 ±0.07 ±0.05 ±0.03 ±0.03

±0.03

Transmission tracking2 ±0.12 ±0.07 ±0.05 ±0.063 ±0.063

±0.098

Uncertainty plots: power level of -20 dBm

10 Hz IF bandwidth, no averaging, battery saver off, and 60-

Coverage factor of 1 applied to uncertainties, for ease of comparison with other industry handheld

条件：1. When applied power exceeds -5 dBm, calibration results will be degraded from the performance indicated in this table.

2. Load match and transmission tracking are typical values.

vector voltmeter sections applies to the capabilities available in the following models:

Transmission uncertainty (S21, S12)

Reflection uncertainty (S11, S22)

TDR Cable Measurements (Option

215)

The performance listed in TDR cable measurements, VNA time domain, mixed-mode S-parameters and

条件：See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet

FieldFox RF & microwave (combination) analyzers N9912C, N9913C, N9914C, N9915C

条件：The TDR cable option adds time domain reflectometry (TDR) measurements to FieldFox’s CAT mode.

FieldFox’s TDR measurements are based on an inverse Fourier transform of the frequency-domain data.

TDR measurements are useful in not only identifying the location of faults along cables, but also the

nature of the fault. Resistive, inductive and capacitive faults will each have a different response. These

differences help engineers and technicians’ trouble-shoot line faults.

X-axis: distance (meters or feet)

VNA Time Domain (Option

010)

In time-domain mode, FieldFox computes the inverse Fourier transform of the frequency-domain data to

Gating Start, stop, center, span, and on/off

Numbers of points, velocity vector, line loss, window shape, independent control for all four traces

时间 stimulus 模式

Low-pass step Low-pass step is similar to a traditional time domain reflectometer (TDR)

stimulus waveform. It is used to measure low-pass devices. The

frequency-domain data should extend from DC (extrapolated value) to a

higher value

条件：Low-pass impulse Low-pass impulse response is used to measure low-pass devices.

Bandpass impulse The bandpass impulse simulates a pulsed RF signal and is used to

The windowing function can be used to filter the frequency domain data and thereby reduce overshoot and ringing in

the time domain response

Windows Minimum, medium and maximum, manual entry of Kaiser Beta and

The gating function can be used to selectively remove reflection or transmission time domain responses. In

converting back to the frequency domain, the effects of the responses outside the gate are removed. The results can

Gate shapes 最大值, wide, 正常, 最小值

条件：Mixed-mode S-parameters are also known as balanced measurements. Not available for N9912C.

Mixed-Mode S-Parameters (Option

212)

Scc11 Common mode reflection

Sdd11 Differential mode reflection

Scd11 Differential mode stimulus, common mode response

Sdc11 Common mode stimulus, differential mode response

FieldFox’s mixed-mode S-parameter measurements require the use of the default factory calibration or a

user 2-port calibration. So, the FieldFox analyzer must be equipped with 2-port measurement functionality

to measure mixed-mode S-parameters. Mixed-mode S-parameters are an extension of the VNA

条件：device measurements. The results are shown on a large display in digital format.

Vector Voltmeter (VVM) (Option

308)

With vector voltmeter mode, you can characterize the difference between two measurements easily. The

zeroing function allows you to create a reference signal and characterize the difference between two

Model	Options	Frequency	range
N9912C NA4 and 308	3 kHz to 4 GHz
NA6 and 308	3 kHz to 6.5 GHz
NAX and 308	3 kHz to 10 GHz
N9913C	308	3 kHz to	4 GHz
N9914C	308	3 kHz to	6.5 GHz
N9915C	308	3 kHz to	10 GHz
Setup parameters 1-port cable trimming Reflection (S11 or S22 measurement), magnitude and phase	2-port transmission Transmission or S21 measurement, magnitude, and phase
A/B and B/A Ratio of two receivers or channels, magnitude, and phase – Need an external signal

频率 (one CW 频率 point)

IF bandwidth

10 Hz to 100 kHz or 3 Hz to 30 kHz

Ratio 精度 (A/B 和 B/A)

Must zero before measuring DUT. Recommend using a high-quality power splitter or 6 dB attenuators to

频率标称值 (dB)

条件：The performance listed in this section applies to the spectrum analyzer capabilities available in the

N991xC 100 kHz to 2 GHz

± 0.2

Spectrum Analyzer (Option SAx on N9912C or

Option

233 on Combination Analyzers)

适用型号 FieldFox RF combination analyzers N9912C, N9913C, N9914C, N9915C

条件：See FieldFox Configuration Guide for option information. Many capabilities listed in this Data Sheet

FieldFox RF spectrum analyzers N9933C, N9934C, N9935C

五、频率与时间规格

条件：Accuracy, when locked to GPS ±0.01 ppm (nominal)

Accuracy, when GPS antenna is disconnected ±0.4 ppm (nominal) 2

RBW centering: 5% x RBW, FFT mode (nominal) 16% x RBW, step mode (nominal) 1 The spectrum analyzer is tunable to 0 Hz or DC.

Model Option Frequency range

N9912C SA4

3 kHz to 4 GHz

SA6

3 kHz to 6.5 GHz

SAX

3 kHz to 10 GHz

N9913C 233

3 kHz to 4 GHz

N9914C 233

3 kHz to 6.5 GHz

N9915C 233

3 kHz to 10 GHz

N9933C

3 kHz to 4 GHz

N9934C

3 kHz to 6.5 GHz

N9935C

3 kHz to 10 GHz

Frequency reference

-10 to 55 °C

Accuracy

±0.9 ppm (spec) + aging

±0.5 ppm (typical) + aging

Aging rate ±1 ppm/yr for 20 years (spec), will not exceed

±3.5 ppm

Frequency readout accuracy (start, stop, center, marker) ± (readout frequency x frequency reference accuracy +

RBW centering +

0.5 x horizontal resolution)

Horizontal resolution = frequency span / (trace points – 1)

2 The maximum drift expected in the frequency reference applicable when the ambient temperature changes

± 5°C from the

标记频率计数器

Accuracy ± (marker frequency x frequency reference accuracy + counter resolution)

Resolution 0.1, 1

10 Hz

频率跨度 Spec

Range 0 Hz (zero span)

10 Hz to maximum frequency range of instrument

Resolution

1 Hz

Accuracy ± (2 x RBW centering + horizontal resolution) for detector = Normal

Sweep time readout Measured value of the time required to complete a sweep from start to finish,

including time to tune receiver, acquire data, and process trace.

迹线 update 标称值

Span =

20 MHz, RBW

VBW =

3 kHz

9 updates per second

Span =

100 MHz, RBW, VBW

autocoupled

25 updates per second

Span = 10 GHz, RBW =

1 MHz

VBW autocoupled

条件：Center frequency tune and transfer1 Nominal

Approximately

2 updates per second

101 points, zero span

80 ms

101 points, 1 MHz span

75 ms

101 points, 100 MHz span

75 ms

扫描时间, zero 跨度标称值

Range

1 μs to 6000 s

Resolution

100 ns

Readout Entered value representing trace horizontal scale range

触发斜率 Positive 边沿, negative 边沿

Trigger delay Range

-150 ms to 10 s

Resolution

100 s

Auto trigger Forces a periodic acquisition in the absence of a trigger event

Range

0 (off) to 30 s

Trigger position (zero span) Controls horizontal position of the pulse edge; use sweep time to zoom into

脉冲边沿

条件：graticule 1 Within full frequency range of instrument, not band dependent.

Range: 0 to 10, integer steps; 0 is left edge of graticule

10 is right edge of

RF burst 触发标称值

Dynamic range

40 dB

Bandwidth

20 MHz

Operating frequency range

20 MHz to maximum instrument frequency

扫描 (迹线) point 范围

All spans 101, 201, 401, 601, 801

1001 (defaults to 401)

Arbitrary 2 to 20,001 settable through soft key “# Points” or SCPI

带宽精度标称值

Zero span 10 Hz to 1 MHz

± 5%

3 MHz

± 10%

5 MHz

± 15%

Non-zero span 1 Hz to 100 kHz

± 1%

300 kHz to 1 MHz

± 5%

3 MHz

± 10%

5 MHz

± 15%

六、幅度精度与量程规格

幅度量程 Average CW 功率

Measurement range DANL to +20 dBm

Input attenuator range

0 to 40 dB, in 5 dB steps

前置放大器标称值

Frequency range Full band (3 kHz to maximum frequency of instrument)

Gain +20 dB

3 kHz to 10 GHz

最大安全输入电平 Average CW 功率 DC

条件：Resolution bandwidth (RBW) Nominal

Frequency range +25 dBm, 0.3 watts

±40 VDC

Range (-3 dB bandwidth)

Zero span 10 Hz to 5 MHz 1, 3

10 sequence

Non-zero span 1 Hz to 5 MHz (>5MHz)2 1, 1.5, 2, 3, 5, 7.5, 10 sequence < 300 kHz

300

kHz, 1 MHz, 3 MHz

5 MHz (Other RBWs may

be set depending on settings)

Step keys change RBW in 1, 3

10 sequence

Selectivity (−60 dB / −3 dB)

4:1

Video bandwidth (VBW) 1 Hz to 5 MHz 1, 1.5, 2, 3, 5, 7.5

10 sequence

显示范围

Log scale

10 divisions

0.01 to 100 dB/division in 0.01 dB steps

Linear scale

10 divisions

Scale units dBm, dBmV, dBµV, dBmA, dBµA, W, V, A, dBµV/m, dBµA/m, dBG, dBT

50 MHz absolute amplitude accuracy (dB)

10 dB attenuation, input signal -40 to -5 dBm, peak detector, preamplifier off1

300 Hz RBW, all settings auto-coupled. No warm-up

条件：Total absolute amplitude accuracy (dB) with preamp off 10 dB attenuation, input signal -15 to -5 dBm, peak detector, 300 Hz RBW, all settings auto-coupled, includes frequency response uncertainties. No warm-up required.

Spec (-10 to 55 °C) Typical (-10 to 55 °C)

N991xC/N993xC ±0.60

±0.20

1 The spec and typical values, with preamp on, are identical to that with preamp off, but the input signal levels are

-40 to - 20 dBm .

Frequency Spec (-10 to 55 °C) Typical (-10 to 55 °C)

N991xC/N993xC

with preamplifier off 3 kHz to 100 kHz ±1.00

±0.20

≥ 100 kHz to 15 MHz ±0.80

±0.15

≥ 15 MHz to 500 MHz ±0.80

±0.15

≥ 500 MHz to 4.5 GHz ±1.00

±0.15

≥ 4.5 GHz to 10 GHz ±1.00

±0.20

Total absolute amplitude accuracy (dB) with preamp on (Option

235 required and turned on)

20 dB attenuation, input signal -25 to -15 dBm, peak detector

300 Hz RBW, all settings auto-coupled, includes frequency response

uncertainties. No warm-up required

条件：Resolution bandwidth switching uncertainty Nominal

RF input VSWR Nominal 1 MHz to 2.7 GHz 1.9 :1

Frequency Spec (-10 to 55 °C) Typical (-10 to 55 °C)

N991xC/N993xC

with preamplifier on 3 kHz to 100 kHz ±1.20

±0.25

≥ 100 kHz to 15 MHz ±0.80

±0.25

≥ 15 MHz to 500 MHz ±0.80

±0.15

≥ 500 MHz to 4.5 GHz ±1.00

±0.15

≥ 4.5 GHz to 10 GHz ±1.00

±0.15

RBW < 5 MHz

0.0 dB

For signals not at center frequency

0.7 dB peak-to-peak

> 2.7 GHz to 7.5 GHz

1.8 :1

> 7.5 GHz to 10 GHz

1.9 :1

Reference level

Range

-210 to +90 dBm

Detectors Normal, positive peak, negative peak, sample, average (RMS)

States Clear/write, max hold, min hold, average, view, blank

Number of averages

1 to 10,001

Number 4: all four can be active simultaneously and in different states

Number of markers

Audio beep Volume and tone change with signal strength

Marker table Display

6 markers

Marker→ Peak, next peak, peak left, peak right, center frequency, reference

Tune frequency, for AM/FM tune and listen

Marker properties Peak criteria: peak excursion, peak threshold

七、动态范围规格

平均显示噪声电平 (DANL) - (dBm)

条件：measured at non-zero frequency span

Input terminated, RMS detection, log averaging

0 dB input attenuation, reference level of -20 dBm, normalized to 1 Hz RBW

前置放大器关前置放大器开

条件：Residual responses (dBm) Nominal

Input related responses (dBc) Nominal

Tuned frequency (f) Excitation frequency Spur frequency Nominal

Other spurious responses (dBc) Nominal

1 dB gain compression point (P1dB) 1 - (dBm) Nominal

Second harmonic distortion Nominal

Spec (-10 to 55 °C)

Typical (-10 to 55 °C)

Spec (-10 to 55 °C)

Typical (-10 to 55 °C) 3 kHz to 100 kHz -121 -134 -142

-156

≥ 100 kHz to 1 MHz -121 -134 -148

-157

≥ 1 MHz to 15 MHz -134 -141 -157

-162

≥ 15 MHz to 2.6 GHz -139 -148 -158

-165

≥ 2.6 GHz to 4.5 GHz -140 -147 -157

-163

≥ 4.5 GHz to 7.5 GHz -138 -145 -156

-162

≥ 7.5 GHz to 10 GHz -134 -143 -152

-160

Input terminated preamp off

0 dB attenuation

9 kHz to 10 MHz

-93

≥ 10 MHz to 10 GHz1

-105

-30 dBm signal at mixer input (excludes frequencies listed below)

-85

f < 2.6 GHz, f ≥ 7.5 GHz to 10 GHz f +

2 *3.56625GHz

f +

3.56625GHz/2

f -80

f ≥ 2.6 GHz to 7.5 GHz f + 2*

9.3375GHz

f +

9.3375GHz/2

f -80

fOffset = frequency offset of excitation frequency from tuned frequency (f)

f < 2.6 GHz, f ≥ 7.5 GHz to 10 GHz f + fOffset f - n * fOffset, (n=1,2, 3,…)

-75

f + fOffset f - 2 * (5.625MHz ± fOffset)

-70

f ≥ 2.6 GHz to 7.5 GHz f + fOffset f - n * fOffset, (n=1, 2, 3,…)

-75

f + fOffset f - 2 * (5.625MHz ± fOffset)

-70

LO related spurs 3 kHz to 10 GHz

-75

Sideband

-80

Battery charging sideband

-70

1 Excludes

3.3114375 GHz at -98 dBm.

N991xC, N993xC 10 MHz to 100 MHz

≥ 100 MHz to 500 MHz

≥ 500 MHz to 8 GHz

≥ 8 GHz to 10 GHz

+7.5

-30 dBm signal at mixer input SHI (dBm) Distortion (dBc)

N991xC, N993xC 10 to 50 MHz +45

-75

≥ 50 MHz to 1.3 GHz +50

-80

≥ 1.3 to 3.75 GHz +30

-60

≥ 3.75 to 5 GHz +50

-80

Third 阶互调失真 (TOI) 典型值 (dBm)

条件：Spur free dynamic range (dB) at 2.4 GHz 2/3 (TOI – DANL) Nominal

Two -15 dBm signals

100 kHz spacing at mixer input (-10 to 55 °C)

N991xC, N993xC 50 MHz to 500 MHz

+6.5

(+8 @ room temperature)

≥ 500 MHz to 2.6 GHz

+10

≥ 2.6 GHz to 7.5 GHz

+8.5

≥ 7.5 GHz to 10 GHz

+10.5

N991xC, N993xC

>104

1 Tested with two -tone signals: the first tone signal at –30 dBm mixer input and the second tone with 40 MHz spacing from the

first tone at mixer input. Step up the power of the second tone until 1 dB compression has been achieved.

0 dB attenuation

span of 5 kHz, and 30 Hz RBW.

Distortion and noise limited (10 Hz RBW) dynamic range

SSB phase noise at 1 GHz center frequency

相位噪声 (dBc/Hz)

条件：Phase noise at different center frequencies (nominal) 1 Tested at 2.99 MHz.

Dynamic range versus offset frequency versus RBW (nominal)1 1 For 1 MHz RBW, the sideband observed may degrade the dynamic range to -68 dBc

SSB phase noise at 1 GHz

Offset Spec (-10 to 55 °C) Typical (-10 to 55 °C)

10 kHz -107

-112

30 kHz -109

-113

100 kHz -105

-110

1 MHz -119

-124

3 MHz1 -123

-129

5 MHz -124

-129

Baseband mode

条件：The performance listed in this section applies to the signal path of “Baseband” for the spectrum/signal

analyzer. Switch to the “Baseband” mode to optimize the analyzer’s performance if the input signal is

below

6.5 MHz. Preamp is not applicable to the baseband signal path.

以上指标摘自厂家官方数据手册，完整定义、测试条件与保证值口径以手册为准。完整指标、测试条件与定义口径请见产品页「软件和手册 | 白皮书」栏目中的官方数据手册。

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官网：pgtec.cn

• 南京纳特通信电子有限公司（南京市）

江宁开发区临淮街20号

邮编：210012

电话：025-84471796

邮箱：sales@rflight.cn

官网：www.rflight.cn

• 深圳市研辰科技有限公司（深圳市）

益田路3008号皇都广场C座2815室福田区

邮编：518048

电话：0755-82828703

邮箱：roger_huang@ascentest.com

官网：www.ascentest.com

原厂翻新与二手仪器

• 是德科技原厂二手仪器商城（Keysight Certified Pre-Owned）：www.keysight.com/used/cn/zh/

• 原厂翻新仪器经与新品相同的最终测试与校准，原厂保修最长 5 年；享 40%–90% 折扣，另有线上 5% / 教育 15% 优惠

选项

了解详细信息: 查看配置指南

Bandwidth

N9933C-B10	Bandwidth, 100 MHz
N9933C-B04	Bandwidth, 40 MHz

Hardware functionality

N9933C-030	Remote control capability
N9933C-208	USB power sensor measurements versus frequency
N9933C-209	Extended range transmission analysis (ERTA)
N9933C-220	Full-band tracking generator
N9933C-235	Pre-amplifier
N9933C-236	Interference analyzer and spectrogram
N9933C-238	Spectrum analyzer time gating
N9933C-302	USB power sensor support
N9933C-307	GPS receiver
N9933C-309	DC bias variable-voltage source
N9933C-310	Built-in power meter
N9933C-312	Channel scanner
N9933C-330	Pulse measurements
N9933C-350	Real-time spectrum analyzer (RTSA)
N9933C-351	I/Q analyzer
N9933C-352	Indoor and outdoor mapping
N9933C-353	IQ streaming
N9933C-355	Analog demodulation
N9933C-356	Noise figure measurements
N9933C-358	EMF measurements
N9933C-361	EMI measurements
N9933C-366	Interference finder (manual mode)
N9933C-370	Over the air LTE FDD measurements
N9933C-371	Over the air LTE TDD measurements
N9933C-378	Over-the-air (OTA) 5G NR measurements
N9933C-390	Directional Finding - TDOA Node Support
N9933C-391	Directional Finding - Angle of Arrival (AoA)

Functionality

N9933C-1A7	Calibration + Uncertainties + Guardbanding (Not Accredited)
N9933C-UK6	Commercial calibration certificate with test data

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