PXIe-5860 VST Modulation Quality Specifications

Table 31. WLAN Modulation Quality, Measured (dB)
Center Frequency 80 MHz 802.11ax* 320 MHz 802.11be†
5.180 GHz -52.1 -49.3
5.925 GHz -52.3 -49.4
7.125 GHz -51.9 -47.7
RF OUT 0 loopback to RF IN 0; 16 OFDM data symbols; 20 packet averages; channel estimation type: Ch Estimation Ref (Preamble and Pilots); Reference Level = Average Power Level + Waveform PAPR; RF OUT digital gain servo technique (increase RF OUT digital gain until DSP overflow reported) applied; ModAcc Auto Level: Enabled; ModAcc Noise Compensation: Enabled; reference level headroom: 0 dB

*Waveform PAPR: 9.95 dB, MCS index: 11

†Waveform PAPR: 12.01 dB; MCS index: 13
Table 32. Cellular Modulation Quality: 5G NR FR1, Measured (dB)
Center Frequency 1 CC x 100 MHz* 2 CC x 100 MHz† 4 CC x 100 MHz‡
2 GHz -55.0 – –
4 GHz -55.3 -53.2 -50.8
5.5 GHz -55.5 -53.3 -50.9
Conditions: NR downlink, FDD, FR1, 256-QAM, fully filled resource blocks; RF OUT 0 loopback to RF IN 0; Reference Level = Average Power Level + Waveform PAPR; ModAcc Auto Level: Enabled; RF OUT digital gain servo technique (increase RF OUT digital gain until DSP overflow reported) applied; 2 slots analyzed; 3 packet averages; ModAcc Noise Compensation: Enabled; Reference Level headroom: 0 dB

*1 × 100 MHz carrier: 30 kHz subcarrier spacing, 11.62 dB Waveform PAPR

†2 × 100 MHz carrier: 30 kHz subcarrier spacing, 11.87 dB Waveform PAPR, CC 0 and 1 averaged

‡4 × 100 MHz carrier: 30 kHz subcarrier spacing; 12.29 dB Waveform PAPR; CC 0, 1, 2, and 3 averaged
Figure 16. WLAN 802.11ax 80 MHz RMS EVM vs. Average Power, Measured


Conditions: RF OUT 0 loopback to RF IN 0; waveform bandwidth: 80 MHz; waveform PAPR: 9.95 dB; MCS index: 11; 16 OFDM data symbols; 20 packet averages; channel estimation type: Ch Estimation Ref (Preamble and Pilots); Reference Level = Average Power Level + Waveform PAPR; RF OUT digital gain servo technique (increase RF OUT digital gain until DSP overflow reported) applied; ModAcc Auto Level: Enabled; ModAcc Noise Compensation: Enabled; reference level headroom: 0 dB

Figure 17. WLAN 802.11be 320 MHz RMS EVM vs. Average Power, Measured


Conditions: RF OUT 0 loopback to RF IN 0; waveform bandwidth: 320 MHz; waveform PAPR: 12.01 dB; MCS index: 13; 16 OFDM data symbols; 20 packet averages; channel estimation type: Ch Estimation Ref (Preamble and Pilots); Reference Level = Average Power Level + Waveform PAPR; RF OUT Digital Gain Servo technique (increase RF OUT Digital Gain until DSP overflow reported) applied; ModAcc Auto Level: Enabled; ModAcc Noise Compensation: Enabled; Reference Level headroom: 0 dB

Figure 18. 5G NR FR1 RMS EVM vs. Average Power, Measured


Conditions: NR downlink, FDD, FR1, 256-QAM, fully filled resource blocks; RF OUT 0 loopback to RF IN 0; Reference Level = Average Power Level + Waveform PAPR; ModAcc Auto Level: Enabled; RF OUT digital gain servo technique (increase RF OUT digital gain until DSP overflow reported) applied; 2 slots analyzed; 3 packet averages; ModAcc Noise Compensation: Enabled; Reference Level headroom: 0 dB

  • 1 × 100 MHz carrier: 30 kHz subcarrier spacing, 11.62 dB PAPR
  • 2 × 100 MHz carrier: 30 kHz subcarrier spacing, 11.87 dB PAPR, CC 0 and 1 averaged
  • 4 × 100 MHz carrier: 30 kHz subcarrier spacing, 12.29 dB PAPR, CC 0, 1, 2, and 3 averaged