LitePoint
IQxel-MW 多设备无线连接测试系统 详细指标
400MHz至6000MHz · 160MHz 原生带宽 · 2/8/16 端口 · 真 MIMO 可扩至 8×8
详细指标
指标取自 LitePoint 官方技术规格书与产品页；未列出的项目表示官方资料未给出，本站不作推测。
通用技术规格
• Input frequency range（RF1 to RF4）：400 to 6000 MHz
• IF bandwidth（RF1 to RF4）：160 MHz
• Input power range（RF1 to RF4）：+30 dBm peak (+25 dBm average)
• Input power accuracy（RF1 to RF4）：Specification: ｜ ± 0.75 dB (+25 to -75 dBm)
• Input return loss（RF1 to RF4）：>12 dB (400 to 6000 MHz)
• Spurious (signal applied)1（RF1 to RF4）：< -60 dBc (CW, for signal levels greater than -20 dBm)
• Spectral flatness（RF1 to RF4）：Specification: ｜ ≤ ± 1 dB (± 80 MHz)
• Inherent spurious floor (no signal)（RF1 to RF4）：≤ -80 dBm
• 噪声系数：≤ 30 dB at minimum input attenuation
• Integrated phase noise：≤ 0.3 degrees (100 Hz to 1 MHz) (400 to 6000 MHz) 0.2 degrees (100 Hz to 1 MHz) typical
• Signal to noise ratio：≥ 55 dB 100 kHz RBW
• 采样数据率：10, 20, 40, 80, 160, 240 MHz
• Waveform capture duration：at 10 MHz sampling data rate ｜ 9600 ms
• Absolute minimum value：Wideband RF ｜ -30 dBm
• Absolute maximum value：Limited by the maximum input power
• Trigger relative threshold：30 dB
• 电平精度：< ± 2 dB
• Output frequency range（RF1 to RF4）：400 to 6000 MHz
• 输出功率范围（CW）：RF1 to RF4 ( through path) ｜ 1 port active: 0 to -95 dBm (400 to 6000 MHz) All ports active: -5 to -95 dBm (≤ 4900 MHz) -15 to -95 dBm (> 4900 MHz)
• 输出功率范围（CW）：RF1 to RF4 (combined path for Beamforming calibration) ｜ 1 port active: -10 to -95 dBm (≤ 4900 MHz) -20 to -95 dBm (>4900 MHz) All ports active: -15 to -95 dBm (≤ 4900 MHz) -25 to -95 dBm (> 4900 MHz)
• Output power accuracy：RF1 to RF4 (1 port active) ｜ Specification: ｜ ± 0.75 dB ( 0 to -95 dBm)
• Output return loss（RF1 to RF4）：>12 dB (400 to 6000 MHz)
• Spurious (in channel)（RF1 to RF4）：Specification: ｜ ≤ -40 dBc (160 MHz, >-55 dBm) (CW)
• Spurious (out of channel)（RF1 to RF4）：Out-of-band (>± 80 MHz from carrier): ｜ ≤ -40 dBc (CW, excluding harmonics distortions)
• Signal to noise ratio：Specification: ｜ ≥ 60 dB (100 KHz signal BW), power level -40 dBm
• Carrier leakage：≤ -40 dBc (CW output) for P0 > -50 dBm
• Gap power：≤ -90 dBm/100 kHz
• Port to Port Isolation：VSA-to-VSA (through path): 100 dB, <2500 MHz, typical 90 dB, >2500 MHz, typical VSG-to-VSG (through path): 90 dB, <2500 MHz, typical 80 dB, >2500 MHz, typical VSG-to-VSA (through and combined path): 100 dB, <2500 MHz, typical 80 dB, >2500 MHz, typical
• Oscillator type：OCXO
• 频率：10 MHz
• Initial accuracy (25°C, after 60 minute warm-up)：< ± 0.05 ppm
• Maximum aging：< ± 0.1 ppm per year
• Temperature stability：< ±0.05 ppm over 0oC to 55°C range, referenced to 25°C
• 预热时间（to within ±0.1 ppm at 25°C）：> 30 minutes
• Spectral flatness（RF1 to RF4）：Specification: ｜ ≤ ± 1 dB ( ± 80 MHz)
• Input frequency range（RF1）：400 to 6000 MHz
• IF bandwidth（RF1）：160 MHz
• Input power range（RF1）：+30 dBm peak (+25 dBm average)
• Input power accuracy（RF1）：Specification: ｜ ± 0.75 dB (+25 to -75 dBm)
• Input return loss（RF1）：>12 dB (400 to 6000 MHz)
• Spurious (signal applied)1（RF1）：< -60 dBc (CW, for signal levels greater than -20 dBm)
• Spectral flatness（RF1）：Specification: ｜ ≤ ± 1 dB ( ± 80 MHz)
• Inherent spurious floor (no signal)（RF1）：≤ -80 dBm
• Output frequency range（RF1）：400 to 6000 MHz
• 输出功率范围（CW）：RF1 (through path) ｜ 0 to -95 dBm (400 to 6000 MHz)
• 输出功率范围（CW）：RF1 (combined path for Beamforming calibration) ｜ -10 to -95 dBm (≤ 4900 MHz) -20 to -95 dBm (>4900 MHz)
• Output power accuracy：RF1 (1 port active) ｜ Specification: ｜ ± 0.75 dB ( 0 to -95 dBm)
• Output return loss（RF1）：>12 dB (400 to 6000 MHz)
• Spurious (in channel)（RF1）：Specification: ｜ ≤ -40 dBc (160 MHz, >-55 dBm) (CW)
• Spurious (out of channel)（RF1）：Out-of-band (>± 80 MHz from carrier): ｜ ≤ -40 dBc (CW, excluding harmonics distortions)
• Waveform playback duration：At 10 MHz sampling data rate ｜ 9600 ms
测量规格
• EVM2：EVM averaged over payload based on standard requirements (Typical) ｜ Residual loopback EVM (full packet channel estimation): ≤ -50.5 dB (-2 to -15 dBm) Residual loopback EVM (preamble only channel estimation): ≤ -47.5 dB (-2 to -15 dBm) Residual VSA EVM (preamble only channel estimation): ≤ -48 dB (+20 to -15 dBm) Note: - Measured at 5755 MHz - Averaged over 20 packets - 802.11ax waveform, 80 MHz
• Peak power：Peak power over all symbols (dBm) ｜ VSA power accuracy: ± 0.75 dB (+20 to -75 dBm)
• RMS power：All: average power of complete data capture (dBm)
• Max avg power：Peak value of the amplitude as a moving average over 40 samples (dBm)
• I/Q amplitude error：I/Q amplitude imbalance (%) and approximate contribution to EVM (dB)
• I/Q phase error：I/Q phase imbalance (degrees) and approximate contribution to EVM (dB)
• 频率误差：Carrier frequency error (kHz) ｜ VSA measurement error: ≤ ± 0.2 ppm calibrated
• RMS phase noise：Integrated phase noise (degrees) ｜ VSA integrated phase noise: < 0.3 degrees (100 Hz to 1 MHz)
• PSD：Power spectral density (dBm/Hz) versus frequency offset center frequency ± 80 MHz
• Spectral mask：Transmit spectrum mask ｜ Spectral mask view: ± 80 MHz
• 频谱平坦度：Reflects variation of signal energy as a function of OFDM subcarrier number 802.11a/g OFDM signals only ｜ VSA flatness over 160 MHz BW: ± 1 dB
• Sidelobe analysis (spectral mask, LO leakage)：Center peak and peaks of 1st and 2nd upper/lower sidelobes (dB) 802.11b/g DSSS signals only
• Power on / power down ramp：On: relative power level (% of average) versus time (802.11b/g CCK signals only) Power-on time from 10% to 90% Power-on time from 90% power level to start of packet (Not provided for 802.11a/g OFDM signals) Off: relative power level (% of average) versus time (802.11b/g CCK signals only) Power-off time from 90% to 10% Power-off time from 90% power level to end of packet (Not provided for 802.11a/g OFDM signals)
• Eye diagram：I and Q channels versus time (802.11b/g DSSS signals only)
• PSDU data：Recovered binary data sequence, including the MAC header and Frame Check Sequence, if present
• Raw capture data：I and Q signals versus time
• General waveform analysis：DC offset, RMS level, minimum/ maximum amplitude, peak-to-peak amplitude, RMS I- and Q-channel levels
• CW frequency analysis：Frequency of CW tone
• Per User (RU) TX Quality Results：Per-user EVM and Power results (802.11ax only) ｜ See EVM specifications
• Trigger Frame analysis：Decoding of AP HE Trigger frame (PSDU) with EVM and Power results (802.11ax only) ｜ See EVM specifications and VSA power accuracy
• STA Carrier Frequency Offset：(CFO) Frequency offset in Hz of the STA based on the HE trigger frame from the STA device (802.11ax only)
• STA System Timing Offset：Time offset between the HE trigger frame and the STA response (802.11ax only)
• EVM2：EVM averaged over payload based on standard requirements (Typical) ｜ Residual VSA EVM (full packet channel estimation): ≤ -50 dB (+20 to -10 dBm) ≤ -48 dB (-10 to -20 dBm) Residual VSG EVM: (full packet channel estimation): ≤ -48 dB (-2 to -35 dBm) Residual VSA EVM (preamble only channel estimation): ≤ -48 dB (+20 to -10 dBm) ≤ -45 dB (-10 to -20 dBm) Residual VSG EVM: (preamble only channel estimation): ≤ -45 dB (-2 to -35 dBm) Note: - Measured at 5755 MHz - Averaged over 20 packets - 802.11ax waveform, 80 MHz
• CCDF（complementary cumulative distribution function）：Probability of peak signal power being greater than a given power level versus peak-to-average power ratio (dB)
MIMO 系统性能
• VSA capture trigger accuracy：≤ ± 3.5 ns
• VSA start trigger accuracy：≤ ± 3.5 ns
Bluetooth ® (1.0, 2.0, 2.1, 3.0) 测量规格
• TX output power：Transmit DUT output power (dBm) ｜ VSA power accuracy: ± 0.75 dB (+20 to -75 dBm) ± 0.50 dB (+20 to -75 dBm) typical
• TX output spectrum：Transmit DUT power spectral density
• 20 dB bandwidth：Bandwidth between the ± 20 dB down points of the modulation waveform ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• In-band emissions (Adjacent channel)：Spurious emission measured at ± 5 MHz of DUT TX frequency only ｜ VSA spurious: < -50 dBc (50 kHz RBW) (CW)
• 调制特性：Average and peak frequency deviation (Hz) ｜ (For EVM better than -25 dB) VSA measurement error: ≤ ± 0.2 ppm calibrated
• Carrier frequency tolerance：Carrier frequency offset (Hz)
• Carrier frequency drift：Carrier frequency change over the Bluetooth burst (Hz)
• Relative transmit power (EDR)：Average power of complete data capture (dBm) ｜ VSA power accuracy: ± 0.75 dB (+20 to -75 dBm)
• Carrier frequency stability (EDR)：Frequency drift over the Bluetooth EDR burst duration (Hz)
• Receive sensitivity1：Receive sensitivity test using LitePoint or user-generated waveforms. Includes Dirty Packets. ｜ VSG power accuracy: ± 0.75 dB (0 to -95 dBm)
• RMS EVM (EDR)：RMS EVM for Bluetooth EDR ｜ Residual VSA EVM: ≤ -35 dB (+20 to -30 dBm) Residual VSG EVM: ≤ -35 dB (-10 to -70 dBm)
• Peak EVM (EDR)：Peak EVM for Bluetooth EDR
• 最大输入信号电平：Assuming single-ended BER measurement
Bluetooth (4.0, 4.1, 4.2) 测量规格
• Output power at NOC1：VSA power accuracy: ± 0.75 dB (+20 to -75 dBm)
• In-band emissions at NOC1：Spurious emission measured at ± 5 MHz of DUT TX frequency only ｜ VSA spurious: < -50 dBc (50 kHz RBW) (CW)
• 调制特性：Average and peak frequency deviation (Hz) ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• Carrier frequency offset and drift at NOC1：Carrier frequency offset (Hz) and change over the Bluetooth burst (Hz)
• Receiver sensitivity at NOC1,2：Receive sensitivity test using LitePoint or user-generated waveforms ｜ VSA power accuracy: ± 0.75 dB (+20 to -95 dBm)
• C/I and receiver selectivity performance3：VSA spurious: < -50 dBc (50 kHz RBW) (CW)
• 最大输入信号电平：Assuming single-ended BER measurement ｜ VSG maximum output power: 0 to -95 dBm CW
• PER report integrity：Verifies the DUT PER report mechanism
IQxel-MW is capable of testing for these new requirements
• In-band emissions：Spurious emission measured at ± 5 MHz of DUT TX frequency only. Tested at 1 Mbps, 2 Mbps ｜ VSA spurious: < -50 dBc (50 kHz RBW) (CW)
• 调制特性：Average and peak frequency deviation (Hz). Tested at 1 Mbps, 2 Mbps, 125 kbps ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• Carrier Frequency offset and drift：Carrier frequency offset (Hz) and change over the Bluetooth burst (Hz). Tested at 1 Mbps, 2 Mbps, 125 kbps
• Stable Modulation Characteristics：Tested at 1 Mbps, 2 Mbps ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• Receiver Sensitivity：Receive sensitivity test using LitePoint or user-generated waveforms. Tested at 1 Mbps, 2 Mbps, 125 kbps ｜ VSG power accuracy: ± 0.75 dB (0 to -95 dBm)
• Receiver Sensitivity – Stable Modulation Index：Tested at 1 Mbps, 2 Mbps, 500 kbps, 125 kbps
• 最大输入信号电平：Assuming single-ended BER measurement. Tested at 1 Mbps, 2 Mbps ｜ VSG maximum output power: 0 to -95 dBm
• Maximum Input signal level – Stable Modulation Index：Tested at 1 Mbps, 2 Mbps
• C/I and Receiver Selectivity Performance：Tested at 1 Mbps, 2 Mbps, 500 kbps, 125 kbps ｜ VSA spurious: < -50 dBc (50 kHz RBW) (CW)
• Blocking Performance：Tested at 1 Mbps, 2 Mbps
• Intermodulation Performance：Tested at 1 Mbps, 2 Mbps
• PER Report Integrity：Verifies the DUT PER report mechanism. Tested at 1 Mbps, 2 Mbps,500 kbps, 125 kbps
ZigBee (802.15.4), Z-wave (ITU-T G.9959), Wi-SUN (MR-FSK IEEE 802.15.4g)
• 输出功率：Transmit DUT output power (dBm) ｜ VSA power accuracy: ± 0.75 dB (+20 to -75 dBm)
• Power spectral density：Transmit DUT power spectral density
• Center Frequency Tolerance：Tx center frequency tolerance ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• EVM：Offset: compensate the I and Q offset in OQPSK Normal: no compensation applied
• Other modulation quality measurements：LO leakage, clock error, phase error, symbol clock error
• CCDF（complementary cumulative distribution function）：Probability of peak signal power being greater than a given power level versus peak-to-average power ratio (dB)
DECT (ETSI EN 300 176-1)
• 功率：Normal Transmit Power ｜ VSA power accuracy: ± 0.75 dB (+20 to -75 dBm)
• Power vs. time：Power time template
• Frequency offset：Frequency offset ｜ VSA frequency accuracy: ≤ ± 0.2 ppm calibrated
• Frequency drift：Frequency drift during packet transmission
• Frequency deviation：S field, B field, whole packet
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