PXIe-5820是具有1 GHz复杂I/Q带宽的第二代矢量信号收发仪(VS)的基带型号。它在单个2插槽PXI Express模块中结合了宽带I/Q数字转换器、宽带I/Q任意波形发生器和高性能用户可编程FPGA。您可以使用VST进行各种应用，包括无线和蜂窝芯片组的基带I/Q测试；功率放大器数字预失真波形的包络跟踪；以及新的无线标准（如5G、802.11ax和LTE-Advanced Pro）的生成和分析。

产品编号： 783967-01

关键词:

Frequency

Complex I/Q equalized bandwidth[1]	1 GHz
Frequency Range	DC-500 MHz

NoteTo operate the device in complex baseband mode, configure each channel with identical ranges and termination. Complex baseband mode requires two input signals that are 90° out of phase.

Internal Frequency Reference

Initial adjustment accuracy	±200 × 10-9
Temperature stability	±1 × 10-6, maximum
Aging	±1 × 10-6 per year, maximum
Accuracy	Initial adjustment accuracy ± Aging ± Temperature stability

I/Q Input

I/Q Input Common-Mode Accuracy

Table 1. I/Q Input Common-Mode Accuracy, Typical
Common-Mode (V)	Accuracy (mV) at 23 °C
-0.25 to 1.50	±2.5
Conditions: Measured with a DMM. Common-mode offset is not adjusted during self-calibration. Valid for vertical ranges between 0.1 Vpp and 2.0 Vpp, differential. Measured with both input terminals terminated to ground through a high impedance >1 MΩ.

I/Q Input DC Offset

Table 2. I/Q Input Differential DC Offset Error, Typical
Reference Location	DC Offset at 23 °C ± 5 °C
At ADC	<-57 dBFS
At connector	<10 mV
Conditions: Terminated with 100 Ω differential impedance.

I/Q Input Absolute AC Gain Accuracy

Table 3. I/Q Input Absolute AC Gain Accuracy (dB)
Input Vertical Range (Vpp, Differential)	23 °C ± 5 °C	0 °C to 45 °C
0.5 to 4.0	±0.57	±0.71
0.5 to 4.0	±0.15, typical	±0.28, typical
1.0 to 4.0	±0.44	±0.57
Conditions: Valid for all common-mode voltages. Measured with 10 MHz CW tone from a 100 Ω differential source. This specification is valid only when the module is operating within the specified ambient temperature range and within ±5 °C from the last self-calibration temperature, as indicated by the niRFSA Device Temperature property or NIRFSA_ATTR_DEVICE_TEMPERATURE attribute.

I/Q Input Frequency Response

Table 4. I/Q Input Frequency Response[2] (dB)
Frequency	Input Vertical Range (Vpp, Differential)	23 °C ± 5 °C	0 °C to 45 °C
100 kHz to 100 MHz	0.5 to 4.0	±0.31, typical	±0.36, typical
	0.5 to 4.0	±0.82	±0.92
	1.0 to 4.0	±0.67	±0.77
100 kHz to 250 MHz	0.5 to 4.0	±0.31, typical	±0.36, typical
	0.5 to 4.0	±0.82	±0.97
	1.0 to 4.0	±0.67	±0.83
100 kHz to 500 MHz	0.5 to 4.0	±0.31, typical	±0.62, typical
	0.5 to 4.0	±0.82	±1.22
	1.0 to 4.0	±0.68	±1.10
10 MHz to 250 MHz	0.5 to 4.0	±0.10, typical	±0.28, typical
10 MHz to 250 MHz		±0.25, typical	±0.62, typical
10 MHz to 500 MHz		±0.25, typical	±0.62, typical
Conditions: Valid for all common-mode voltages. Referenced to 10 MHz. This specification is the individual I or Q channel flatness and is valid only when the module is operating within the specified ambient temperature range and within ±5 °C from the last self-calibration temperature, as indicated by the niRFSA Device Temperature property or the NIRFSA_ATTR_DEVICE_TEMPERATURE attribute.

1378 — Figure 2. I/Q Input Frequency Response, Nominal[3]

I/Q Input Settling Time

Table 5. I/Q Input Amplitude Settling Times, Nominal
Proximity to Final Settled Value (dB)	Settling Time (µs)
0.5	9
0.1	100
0.05	100
0.01	100

Nominal common-mode voltage settling time (0.01 dB)[4]

1.2 ms

I/Q Input Average Noise Density

Table 6. I/Q Average Input Noise Density, Typical
Input Vertical Range (Vpp, Differential)	dBm/Hz	dBFs/Hz
0.5	-152	-149
1	-143	-146
2	-141	-149
3	-140	-150
Conditions: Terminated with a 100 Ω differential impedance.

I/Q Input Spectral Characteristics

Harmonics[7]

Table 7. I/Q Input I Channel Highest Harmonic Spur Level (dBc)
Input Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Input Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-74	-78	-76	-80
1	-75	-80	-76	-83
2	-76	-81	-73	-80
3	-78	-80	-73	-79

Table 8. I/Q Input Q Channel Highest Harmonic Spur Level (dBc)
Input Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Input Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-78	-81	-78	-81
1	-80	-85	-82	-86
2	-79	-82	-80	-85
3	-77	-80	-79	-84

Table 9. I/Q Input I Channel THD (dBc)
Input Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Input Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-74	-77	-75	-79
1	-75	-80	-75	-82
2	-76	-80	-73	-79
3	-77	-79	-73	-79

Table 10. I/Q Input Q Channel THD (dBc)
Input Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Input Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-76	-79	-77	-81
1	-80	-84	-81	-85
2	-79	-81	-79	-84
3	-76	-79	-78	-83

Table 11. I/Q Input Second Harmonic (dBc), Nominal
Input Vertical Range (Vpp, Differential)	10 MHz	100 MHz
0.5	-89	-89
1	-89	-88
2	-89	-89
3	-89	-88

Table 12. I/Q Input Third Harmonic (dBc), Nominal
Input Vertical Range (Vpp, Differential)	10 MHz	100 MHz
0.5	-88	-91
1	-89	-89
2	-86	-85
3	-86	-84

Nonharmonics[8]

Table 13. I/Q Input Nonharmonics (dBc)
Input Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Input Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-80	-82	-79	-81
1	-79	-81	-79	-81
2	-80	-81	-79	-81
3	-80	-81	-80	-82

I/Q Output

I/Q Output Common-Mode Accuracy

Table 14. I/Q Output Common-Mode Accuracy, Typical
Common-Mode (V)	Accuracy (mV) at 23 °C
-0.25 to 1.50	±2
Conditions: Measured with a DMM. Common-mode offset is not adjusted during self-calibration. Valid for vertical ranges between 0.1 Vpp and 2.0 Vpp, differential. Measured with both output terminals terminated to ground through a high impedance >1 MΩ.

I/Q Output DC Offset

Table 15. I/Q Output Differential DC Offset Error[9] (dBr), Typical
Temperature Range	I/Q Output DC Offset Error
23 °C ± 5 °C	-60
dBr is dB relative to the peak to peak output voltage setting (Vpp, differential).

I/Q Output Absolute AC Gain Accuracy

Table 16. I/Q Output Absolute AC Gain Accuracy (dB)
Output Vertical Range (Vpp, Differential)	23 °C ± 5 °C	0 °C ± 45 °C
0.25 to 2.0	±0.43	±0.68
0.25 to 2.0	±0.10, typical	±0.35, typical
Conditions: Valid for all common-mode voltages. 10 MHz CW tone into a 100 Ω differential load. This specification is valid only when the module is operating within the specified ambient temperature range and within ±5 °C from the last self-calibration temperature, as indicated by the niRFSG Device Temperature property or the NIRFSA_ATTR_DEVICE_TEMPERATURE attribute.

I/Q Output Frequency Response

Table 17. I/Q Output Frequency Response (dB)
Frequency Range	Output Vertical Range (Vpp, Differential)	23 °C ± 5 °C	0 °C to 45 °C
100 kHz to 100 MHz	0.25 to 2.0	±0.17, typical	±0.24, typical
	0.25 to 2.0	±0.51	±0.61
	0.50 to 2.0	±0.44	±0.54
100 kHz to 250 MHz	0.25 to 2.0	±0.17, typical	±0.25, typical
	0.25 to 2.0	±0.57	±0.69
	0.50 to 2.0	±0.55	±0.68
100 kHz to 500 MHz	0.25 to 2.0	±0.18, typical	±0.36, typical
	0.25 to 2.0	±0.65	±0.83
	0.50 to 2.0	±0.59	±0.80
Conditions: Valid for all common-mode voltages. Referenced to 10 MHz. This specification is the individual I or Q channel flatness and is valid only when the module is operating within the specified ambient temperature range and within ±5 °C from the last self-calibration temperature, as indicated by the niRFSG Device Temperature property or the NIRFSA_ATTR_DEVICE_TEMPERATURE attribute.

I/Q Output Settling Time

Table 18. I/Q Output Nominal Amplitude Settling Times
Proximity to Final Settled Value (dB)	Settling Time (us)
0.5	9
0.1	100
0.05	100
0.01	100

Nominal common-mode settling time (0.01 dB)[11]

1.2 ms

I/Q Output Average Noise Density

Table 19. I/Q Average Output Noise Density, Typical
Output Vertical Range (Vpp, Differential)	dBm/Hz	dBFS/Hz
0.5	-152	-147
1	-154	-155
2	-156	-162
Conditions: Terminated with a 100 Ω differential impedance.

I/Q Output Spectral Characteristics

Harmonics[12]

Table 20. I/Q Output I or Q Channel Highest Harmonic Spur Level (dBc)
Output Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Output Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-77	-80	-70	-74
1	-78	-80	-69	-74
2	-69	-71	-66	-68

Table 21. I/Q Output I or Q Channel THD (dBc)
Output Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Output Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-75	-78	-69	-73
1	-77	-78	-69	-73
2	-69	-70	-65	-67

Table 22. I/Q Output I or Q Channel Second Harmonic (dBc)
Output Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Output Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-72	-82	-67	-77
1	-73	-81	-68	-77
2	-74	-82	-66	-76

Table 23. I/Q Output I or Q Channel Third Harmonic (dBc)
Output Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Output Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-73	-81	-69	-78
1	-79	-85	-73	-80
2	-72	-75	-65	-71

Nonharmonics[13]

Table 24. I/Q Loopback Nonharmonics
Output Vertical Range (Vpp, Differential)	10 MHz		100 MHz
Output Vertical Range (Vpp, Differential)	Typical	Nominal	Typical	Nominal
0.5	-76	-77	-75	-77
1	-79	-81	-79	-81
2	-80	-82	-79	-81

Additional Performance Information

Image Suppression

Table 25. I/Q Loopback Image Suppression[14] (dBc), Nominal
Complex Bandwidth	Image Suppression
200 MHz	-69
1 GHz	-61
Image suppression is equivalent to or better than the specification at all frequency offsets within the specified bandwidth.

SINAD and ENOB

Table 26. Input SINAD and ENOB
Real Bandwidth (MHz)	Real SINAD	Real ENOB	Complex SINAD	Complex ENOB
0.5	80.1	13.0	80.5	13.1
1	79.9	13.0	80.4	13.1
2.5	79.7	13.0	80.3	13.1
5	78.8	12.8	79.4	12.9
10	77.9	12.6	78.4	12.7
20	77.7	12.6	78.3	12.7
100	76.3	12.4	77.4	12.6
500	69.5	11.3	70.6	11.4
Complex equalized bandwidth is the combined bandwidth of I and Q channels.

Table 27. Output SINAD and ENOB
Real Bandwidth (MHz)	Real SINAD	Real ENOB	Complex SINAD	Complex ENOB
0.5	79.3	12.9	80.5	13.1
1	78.7	12.8	80.1	13.0
2.5	75.8	12.3	77.9	12.6
5	76.8	12.5	78.7	12.8
10	75.8	12.3	77.9	12.6
20	74.3	12.0	76.8	12.5
100	69.7	11.3	72.5	11.8
500	63.6	10.3	66.6	10.8
Complex equalized bandwidth is the combined bandwidth of I and Q channels.

I/Q Loopback Third-Order Intermodulation (IMD3)

Table 28. I/Q Loopback IMD3 (dBc), Typical
Vertical Range (Vpp, Differential)	0 °C to 45 °C
	Center Frequency (MHz)
	10 MHz	100 MHz
0.25	-77	-77
0.25	-77	-77
0.50	-77	-77
1.00	-78	-76
2.00	-73	-72
Conditions: Measured in loopback with two-tone stimulus, each tone is -8 dBFS with a 700 kHz spacing between the tones (equally spaced from the center frequency). IQ In and IQ Out ports are configured with the same Vertical Range and with 0 V common-mode.

I/Q Loopback Second-Order Intermodulation (IMD2)

Table 29. I/Q Loopback IMD2 (dBc), Typical
Vertical Range (Vpp, Differential)	0 °C to 45 °C
	Center Frequency (MHz)
	10 MHz	100 MHz
0.25	-74	-68
0.25	-73	-67
0.50	-73	-67
1.00	-73	-68
2.00	-73	-67
Conditions: Measured in loopback with two-tone stimulus, each tone is -8 dBFS with a 700 kHz spacing between the tones (equally spaced from the center frequency). IQ In and IQ Out ports are configured with the same Vertical Range and with 0 V common-mode.

Application-Specific Modulation Quality

WLAN 802.11ax

EVM (Bandwidth: 80 MHz)[19]

-50 dB, typical

WLAN 802.11ac

EVM (Bandwidth: 80 MHz)[20]	-50 dB, typical
EVM (Bandwidth: 160 MHz)[21]	-50 dB, typical

LTE

EVM (Bandwidth: 20 MHz) [22]

-58 dB, typical

Baseband Characteristics

Analog-to-digital converters (ADCs)I/Q data rate[23]19 kS/s to 1.25 GS/s
Digital-to-analog converters (DACs)I/Q data rate[24]19 kS/s to 1.25 GS/s

Onboard FPGA

FPGA	Xilinx Virtex-7 X690T
LUTs	433,200
Flip-flops	866,400
DSP48 slices	3,600
Embedded block RAM	52.9 Mbits
Data transfers	DMA, interrupts, programmed I/O
Number of DMA channels	56

Onboard DRAM

Memory size	2 banks, 2 GB per bank
Theoretical maximum data rate	12 GB/s per bank

Onboard SRAM

Memory size	2 MB
Maximum data rate (read)	31 MB/s
Maximum data rate (write)	29 MB/s

Front Panel I/O

I/Q IN 0

Connectors	MMPX (female)
Input coupling, per terminal	DC
Input type	Differential
Number of channels	2

Vertical Range

Input voltage range per I/Q input pin[25] (no damage)	-3 V to 5 V
Common-mode range[26]	-0.25 V to 1.5 V
Maximum vertical range	4 Vpp, differential

Impedance

DC differential input impedance

100 ± 10 Ω, typical

I/Q OUT 0

Connectors	MMPX (female)
Output coupling, per terminal	DC
Output type	differential
Number of channels	2

Vertical Range

Maximum voltage range per I/Q output pin (no damage)	Vcom ±3.5 V
Common-mode range[27]	-0.25 V to 1.5 V

Table 30. I/Q Output Vertical Range (Vpp, Differential)
NI-RFSG Signal Bandwidth Setting (Complex)	Maximum Vertical Range
≤ 160 MHz	3.4, nominal
≤ 1 GHz	2, typical
Conditions: Into a 100 Ω differential load.

Impedance

DC differential output impedance

100 ± 10 Ω, typical

REF IN

NoteFrequency Accuracy = Tolerance × Reference Frequency

Connector	MMPX (female)
Frequency	10 MHz
Tolerance	±10 × 10-6
Amplitude	0.7 Vpk-pk to 3.3 Vpk-pk into 50 Ω, typical.
Input impedance	50 Ω, nominal
Coupling	AC

NoteJitter performance improves with increased slew rate of input signal.

REF OUT

Connector	MMPX (female)
Frequency	10 MHz, nominal
Amplitude	1.65 Vpk-pk into 50 Ω, nominal
Output impedance	50 Ω, nominal
Coupling	AC

PFI 0

Connector	MMPX (female)
Input impedance	10 kΩ, nominal
Output impedance	50 Ω, nominal
Maximum DC drive strength	24 mA

NoteVoltage levels are guaranteed by design through the digital buffer specifications.

Table 31. Voltage Levels
Absolute maximum input range	-0.5 V to 5.5 V
VIL, maximum	0.8 V
VIH, minimum	2.0 V
VOL, maximum	0.2 V with 100 μA load
VOH, minimum	2.9 V with 100 μA load

DIGITAL I/O

Connector	Molex Nano-Pitch I/O
5.0 V Power	±5%, 50 mA maximum, nominal

Table 32. DIGITAL I/O Signal Characteristics
Signal	Type	Direction
MGT Tx± <3..0>	Xilinx Virtex-7 GTH	Output
MGT Rx± <3..0>	Xilinx Virtex-7 GTH	Input
MGT REF±	Differential	Input
DIO <1..0>	Single-ended	Bidirectional
DIO <7..2>	Single-ended	Bidirectional
5.0 V	DC	Output
GND	Ground	—

NoteDIO <1..0> pins are multiplexed with MGT REF±.

Digital I/O High Speed Serial MGT

NoteFor detailed FPGA and High Speed Serial Link specifications, refer to Xilinx documentation.

Data rate	500 Mbps to 12 Gbps, nominal
Number of Tx channels	4
Number of Rx channels	4
I/O AC coupling capacitor	100 nF

MGT Tx± <3..0> Channels

Minimum differential output voltage

800 mVpk-pk into 100 Ω, nominal

Conditions: transmitter output swing at maximum setting.

MGT Rx± <3..0> Channels

Table 33. Differential Input Voltage Range
≤6.6 GB/s	150 mVpk-pk to 2,000 mVpk-pk, nominal
>6.6 GB/s	150 mVpk-pk to 1,250 mVpk-pk, nominal

Differential input resistance

100 Ω, nominal

MGT Reference Clock

NoteInternal MGT Reference is derived from the Sample Clock PLL. Available frequencies are 2.5 GHz / N, where 4 ≤ N ≤ 32. Set via MGT component level IP (CLIP).

Table 34. Clocking Resources
Data Clock	156.25 MHz
MGT REF± Input	60 MHz to 820 MHz, nominal

MGT REF± Input

AC coupling capacitors	100 nF
Differential input resistance	100 Ω, nominal
Differential input Vpk-pk range	350 mV to 2000 mV, nominal
Absolute maximum input range	-1.25 V to 4.5 V

NoteAbsolute maximum levels measured at input, prior to AC coupling capacitors.

Power Requirements

Table 35. Power Requirements
Voltage (VDC)	Typical Current (A)
+3.3	3.3
+12	6.0
Power is 83 W, typical. Consumption is from both PXI Express backplane power connectors. Conditions: Simultaneous generation and acquisition using NI-RFSG and NI-RFSA at 1.25 GS/s I/Q rate, 45 °C ambient temperature. Power consumption depends on FPGA image being used.

Calibration

Interval

1 year

Physical Characteristics

PXIe-5820 module	3U, two slot, PXI Express module 4.1 cm × 13.0 cm × 21.6 cm1.6 in. × 5.1 in. × 8.5 in.
Weight	795 g (28.0 oz)

Environment

Maximum altitude	2,000 m (800 mbar) (at 25 °C ambient temperature)
Pollution Degree	2

Indoor use only.

Operating Environment

Ambient temperature range	0 °C to 45 °C
Relative humidity range	10% to 90%, noncondensing

Storage Environment

Ambient temperature range	-40 °C to 71 °C
Relative humidity range	5% to 95%, noncondensing

Shock and Vibration

Operating shock	30 g peak, half-sine, 11 ms pulse
Random vibrationOperating5 Hz to 500 Hz, 0.3 grmsNonoperating5 Hz to 500 Hz, 2.4 grms