Atec Agilent-8920B - Manual (Page 4)

4
Spectral Purity
Spurious Signals:
Output port signal amplitude conditions
Fixed Attenuator to meet spurious specifications: output
Configuration signal must be ≤ to below value
Elect. Variable Duplex Port RF IN/OUT Port
Standard 1 dBm –27 dBm
Option 006 –2.5 dBm –20.5 dBm
Option 007 –2.5 dBm –14.5 dBm
Option 016 1 dBm –29 dBm
Mech. Variable Duplex Port RF IN/OUT Port
Option 055 1 dBm –25 dBm
Option 055 w/016 1 dBm –27 dBm
Harmonics: <–30 dBc
Non-Harmonic Spurious: <–60 dBc (at >5 kHz from carrier)
Residual FM (rms, CCITT):
250 kHz
≤
f
c
<249 MHz <7 Hz
249 MHz
≤
f
c
<501 MHz <4 Hz
501 MHz
≤
f
c
≤
1000 MH <7 Hz
Supplemental Characteristics
Residual AM: <0.1% in a 50 Hz to 15 kHz BW
SSB Phase Noise (for >20 kHz offsets at 1 GHz): <–116 dB/Hz
FM
FM Deviation Maximum (for rates >25 Hz):
Standard and all Options:
100 kHz: for 501 MHz
≤
f
c
<1000 MHz
50 kHz: for 249 MHz
≤
f
c
<501 MHz
Standard and Options 006, 007, 016:
100 kHz: for 30 MHz
≤
f
c
<249 MHz
Option 055 (mechanical variable attenuator):
100 kHz: for 250 kMHz
≤
f
c
<249 MHz
(FM not specified for [f
c
minus FM dev.] <250 kHz)
FM Rate (1 kHz reference):
Internal: DC to 25 kHz (1 dB BW)
External:
AC Coupled: 20 Hz to 75 kHz
DC Coupled: DC to 75 kHz
FM Accuracy (1 kHz rate):
≤
10 kHz dev: ±3.5% of setting ±50 Hz
>10 kHz dev: ±3.5% of setting ±500 Hz
FM Distortion (THD + Noise, in a 0.3 to 3 kHz BW):
<0.5% at >4 kHz deviation and 1 kHz rate
Center Frequency Accuracy in DC FM Mode:
(External source impedance <1 kW): ±500 Hz (after DC FM zero),
typically ±50 Hz.
Supplemental Characteristics
Ext. Mod. Input Impedance: 600 W nominal
Resolution: 50 Hz for <10 kHz deviation
500 Hz for
≥
10 kHz deviation
AM
Standard:
Frequency Range: 30 MHz to 1000 MHz
AM Depth: 0 to 90% (usable to 99%) for DUPLEX OUT level
≤
–2.5 dBm, for RF IN/OUT level depending on option.
Standard:
≤
–26.5 dBm
Option 006:
≤
–18.5 dBm
Option 007:
≤
–12.5 dBm
Option 016:
≤
–28.5 dBm
0 to 70% (usable 90%) with 8920B Option 051 rear panel
connectors for TDMA testing.
Options 055 (mechanical variable attenuator):
Frequency Range: 1.5 MHz to 1000 MHz
AM Depth: 0 to 90% (usable to 99%)
for DUPLEX OUT level
≤
1 dBm
for RF IN/OUT level depending on option:
Standard:
≤
–2.5 dBm
Option 016:
≤
–27 dBm
AM Depth: 0 to 70% (usable to 90%) with 8920B Option 051
rear panel connectors for TDMA testing.
AM Rate: 20 Hz to 25 kHz (3 dB BW)
AM Accuracy (1 kHz rate):
≤
10% AM: ±5% of setting, ±1.0% AM
>10% AM: ±5% of setting, ±1.5% AM
AM Distortion (THD+Noise 0.3 to 3 kHz BW):
<2% at 1 kHz rate, <30% AM
<3% at 1 kHz rate,
≤
90% AM
Supplemental Characteristics
Ext. Mod. Input Impedance: 600 W nominal
Resolution: <0.1%
TDMA Signal Generator Specifications
8920B Opt. 001, 004, 051, 800 (8920B + 83206A)
Frequency Range: 824 MHz to 894 MHz
Output Level Range:
Standard:
DUPLEX OUT: +0.5 dBm to –127 dBm
RF IN/OUT range by option:
Standard: –23.5 dBm to –127 dBm
Option 006: –15.5 dBm to –127 dBm
Option 007: –9.5 dBm to –127 dBm
Option 016: –25.5 dBm to –127 dBm