PXI-5671 Datasheet, PDF (3/5 Pages) National Instruments Corporation – 250 kHz to 2.7 GHz/16-bit resolution, 100 MS/s arbitrary waveform generation

2.7 GHz RF Vector Signal Generator
Specifications
Valid over specified Operating Environment (0 to 55 °C) unless otherwise stated.
General
Channels .......................................................... 1 RF, 1 IF
Frequency Characteristics
Frequency range ............................................... 250 kHz to 2.7 GHz
Frequency minimum (performance below
250 kHz not guaranteed) ........................... 9 kHz
Real-time bandwidth (Digital vector
modulation bandwidth) ............................. 20 MHz
Locking range ................................................... 5 Hz minimum
Warm-up time (typical) .................................... 30 minutes
Frequency resolution (dependent on NI PXI-5441 memory)
32 MB ........................................................ 355 nHz
>256 MB .................................................... 355 nHz
Tuning Speed
Sine wave, 50 Hz tolerance
Thermal correction disabled...................... 35 ms typical
Thermal correction enabled ...................... 50 ms max
1 MS record, phase continuity off
Digital IF equalization off .......................... 340 ms typical 370 ms max
Digital IF equalization on........................... 950 ms typical 1.6 s max
Note: The NI PXI-5671 tuning speed and tuning resolution depend on resampling done by the PC. This means that fine resolution
tuning speed is dependent on the speed and memory of the computer. Specifications below are the result of using an NI PXI 8186
Pentium IV controller 2.2 GHz with 1 GB RAM with the Windows XP operating system and NI-RFSG phase continuity disabled.
Internal Frequency Reference
Frequency ......................................................... 10 MHz
Temperature stability ....................................... ±20 ppb max (referenced to 25 °C)
Aging
Per year...................................................... ±100 ppb
Per day ....................................................... ±1 ppb
Initial achievable accuracy............................... ±50 ppb
Lock time for the 5610
to ext frequency reference ........................ 5 s max
Locking range ................................................... 5 Hz minimum
Ω Reference Input ................................................ 50 SMA female
Input amplitude ......................................... -5 to +16 dBm
Input frequency range ............................... 10 MHz ± 0.5 ppm
Ω Reference Output ............................................. 50 SMA female
Signal......................................................... Square wave
Output Frequency ...................................... 10 MHz
Ω Output Amplitude ...................................... 6.7 dBm into 50 load, fundamental frequency
(1± 0.1 Vpp sine wave)
Spectral purity
Phase Noise
-50.0
-60.0
-70.0
Carrier = 2 GHz
-80.0
-90.0
Offset Frequency
100 Hz
1 kHz
10 kHz
100 kHz
Real-time bandwidth >10 MHz
Carrier Frequency = 1 GHz
–72 dBc/Hz maximum
–75 dBc/Hz maximum
–98 dBc/Hz maximum
–116 dBc/Hz maximum
Carrier Frequency = 2 GHz
–70 dBc/Hz maximum
–72 dBc/Hz maximum
–96 dBc/Hz maximum
–116 dBc/Hz maximum
Residual FM ..................................................... 4.5 Hz rms maximum (continuous wave,
300 Hz to 3 kHz integration bandwidth)
Spurious Responses
Second harmonic (>10 MHz) 0 to 55 °C .......... -40 dBc maximum
Output third-order distortion (IMD)
(two -3 dBm tones, >200 kHz apart) ......... -75 dBc typical
Residual spurious response
(no input signal, 0 dB attenuation/maximum
power level, excluding LO feedthrough) ... <80 dBc typical
NI PXI-5441 system clock rate......................... 100 MHz
Harmonic and spurious response.............. -105 dBm typical
Output-related spurious
response (nonharmonic) ............................ -80 dBc maximum
(IF – RF output frequency) ............................... -64 dBc typical, -58 dBc maximum
Close-in Spurious Responses (Carrier-Modulated)
Real-Time Bandwidth
<10 MHz
>10 MHz
Spurious Response
Offset from Carrier
Maximum Power (dBc)
<100 Hz
-50
100 Hz to 10 kHz
-60
<400 Hz
-40
100 Hz to 2 kHz
-50
RF Output Characteristics
Output power range ......................................... -145 dBm to +10 dBm minimum
Amplitude resolution
PXI-5671..................................................... 0.02 dB minimum
PXI-5610..................................................... 1 dB typical
Amplitude settling time PXI-5610
NI 5610 ...................................................... 0.1 dB within 5 ms, typical
NI 5441 ...................................................... 0.1 dB within 30 ms, typical
Level Accuracy
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-100.0
-110.0
-120.0
Carrier = 1 GHz
-1
0 200 M 400 M 600 M 800 M 1 G 1.2 G 1.4 G 1.6 G 1.8 G 2 G 2.2 G 2.4 G 2.6 G
Frequency (MHz)
Figure 2. Typical Output Power Level Accuracy from -45 dBm to +10 dBm
-130.0
-140.0
100
1k
10k
100k
1M
Offset from Carrier (Hz)
Figure 1. Typical Phase Noise at 1 GHz with Real-Time Bandwidth <10 MHz
Offset Frequency
100 Hz
1 kHz
10 kHz
100 kHz
Real-time bandwidth <10 MHz
Carrier Frequency = 1 GHz
–82 dBc/Hz maximum
–85 dBc/Hz maximum
–93 dBc/Hz maximum
–110 dBc/Hz maximum
Carrier Frequency = 2 GHz
–79 dBc/Hz maximum
–83 dBc/Hz maximum
–92 dBc/Hz maximum
–110 dBc/Hz maximum
Output Power Range
Output Frequency +7 to -30 dBm -30 to -80 dBm -80 to -127 dBm <-127 dBm (typical)
250 kHz to 10 MHz
±1.2 dB
±1.3 dB
±1.5 dB
±2 dB
10 MHz to 2.7 GHz
±0.7 dB
±0.8 dB
±1 dB
±1.5 dB
25 °C ±10 °C.
Accuracy degrades by < 0.03 dB per °C over full temperature range.
Accuracy degrades by 0.1 dB per dB above +7 dBm power levels, and by 0.15 dB per dB above +10 dBm power levels.
At nonsystem spur frequencies. Refer to the Spurious Responses section for more information.
Voltage Standing Wave Ratio (VSWR)
10 MHz to 2.3 GHz .................................... 1.6:1
2.3 to 2.7 GHz ............................................ 1.7:1
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