HP 8371 1B and HP 83712B
Synthesized CW Generators
HP 83731B and HP 83732B
Synthesized Signal Generators
Technical Specifications
10 MHz to 20 GHz
1 to 20 GHz
Specifications describe the instrument’s warranted performance over
the 0° to 55°C temperature range unless otherwise noted.
Supplemental Characteristics are intended to provide information
useful in estimating instrument capability in your application by
describing typical, but not warranted, performance.
NOTE: Supplemental characteristics are indicated by italic type.
Frequency
Range:
Synthesized CW generators
HP 83711B, 1.0 to 20 GHz
HP 83712B, 10 MHz to 20 GHz
Synthesized signal generators
HP 83731B, 1.0 to 20 GHz
HP 83732B, 10 MHz to 20 GHz
Resolution: 1 kHz (1 Hz with Option 1E8)
Stability (with high-stability timebase, Option 1E5):
Aging rate:
<1.5 x 10
-
9
/day after 24-hour warm up.
Temperature effects:
<1 x 10-7over 0 to 55°C, nominally <1.4 x 10-9/°C
Line voltage effects:
<5 x 10
-10
for 10% change in line voltage
Stability (without high-stability timebase):
Aging rate:
<1.0 x 10-8/day after 72 hours at 25°C ± 10°C
Temperature effects:
<5 x 10-6over 0 to 55°C referenced to 25°C
Stability (with external 10 MHz reference):
Same as external reference.
Frequency switching time:
<50 ms to within 1 kHz for any frequency step
<35 ms to within 1 kHz for <1 GHz steps not across the
10 GHz band switch point
RF Output
Maximum leveled output power:
Frequency Standard with Option 1E1
0.01 to 1 GHz +13 dBm +13 dBm
1 to 18 GHz +11 dBm +10 dBm
18 to 20 GHz +10 dBm + 8 dBm
Typical maximum available output power from
1 to 20 GHz, at 25°C with output step attenuator
(Option 1E1) installed.
Typical maximum available output power from
0.01 to 1 GHz at 25°C.
Minimum leveled output power: –4 dBm
with Option 1E1, –110 dBm
Display resolution: 0.01 dB
Typical output level accuracy and flatness
at +10 and –85 dBm.
Flatness: ±0.5 dB2(power ≥ –90 dBm)
±0.7 dB
2
(power < –90 dBm)
Level switching time: <17 ms
(without step attenuator range change)
Attenuator range changes occur at:
HP 83711B, HP 83712B
–1 dBm, –11 dBm, –21 dBm, etc.
HP 83731B, HP 83732B
–4 dBm, –14 dBm, –24 dBm, etc.
–10 dBm, –20 dBm, –30 dBm, etc. (linear AM)
Output SWR: <2.0 : 1 nominal
2
Spectral Purity
SSB phase noise (dBc/Hz, CW mode):
Offsets
Carrier Freq. 100 Hz 1 kHz 10 kHz 100 kHz
0.5 to <1 GHz–78
–
92
–
103
–
115
1 to <2 GHz–73
–
83
–
92
–
107
2 to <5 GHz–70
–
78
–
83
–
100
5 to <10 GHz–69
–
78
–
82
–
100
10 to 20 GHz–65
–
73
–
76
–
100
Phase noise decreases 6 dB/octave below 500 MHz and
reaches a floor of <–140 dBc/Hz.
10.5
Output Level (dBm)
Carrier Frequency (GHz)
10.0
9.5
-84.5
-85.0
-86.5
048121620
Accuracy (–4 dBm1to maximum specified leveled
output power2):
10 MHz to 50 MHz, ±1.3 dB
50 MHz to 20 GHz, ±1.0 dB
Accuracy (over all power levels2):
10 MHz to 50 MHz, ±2.3 dB (power ≥ –90 dBm)
50 MHz to 20 GHz, ±2.0 dB (power ≥ –90 dBm)
10 MHz to 20 GHz, ±2.5 dB (power <–90 dBm)
–50
Harmonic (dBc)
Carrier Frequency (GHz)
–55
–60
–65
–70
–75
–80
–85
–90
0246810
Carrier Frequency (GHz)
250
RMS Deviation (Hz)
200
150
100
50
0
0 4 8 12 16 20
Typical residual FM measured in 50 Hz to 15 kHz bandwidth, CW mode, with high-stability timebase, Option 1E5.
AM noise floor (at 0 dBm and offsets greater than
5 MHz from carrier):
0.01 to 1 GHz, <–140 dBm/Hz
1 to 20 GHz, <–150 dBm/Hz
Typical single-sideband phase noise at 50 MHz, 1 GHz,
10 GHz and 20 GHz, 25°C, CW mode. Offsets less than
100 Hz require the high-stability timebase, Option 1E5.
Harmonics:
HP 83711B/83712B, <–50 dBc (at levels < +6 dBm)
HP 83731B/83732B, <–55 dBc (at levels < +6 dBm)
Nonharmonic spurious (≥3 kHz): <–60 dBc
(includes power supply and frequency synthesis
spurious).
Nonharmonic spurious (<3 kHz): <–50 dBc
Subharmonics: none
Residual FM:
At 1 GHz, in 50 Hz to 15 kHz bandwidth: < 15 Hz
Residual FM decreases 6 dB per octave below 1 GHz.
Typical 2nd harmonic levels measured at output
power of +6 dBm.
User Flatness (level) Correction
Number of points: 2 to 401 points/table
Number of tables: up to 4
Entry modes: power meter, HP interface bus
1. –10 dBm (linear AM)
2. The use of type-N RF connectors above 18.0 GHz degrades
specification typically by 0.2 dB.
Loading...