User guide

9
8643A 8644B 8664A
8665A/B
Output level
Range: +13 to -137 dBm +16 to -137 dBm, +13 to -139.9 dBm
+13 dBm, Option002 +9 dBm, Option 008
Resolution: .01 Hz .01 Hz .01 Hz
Absolute accuracy: ±1 dB, output ≥-127 dBm ±1 dB, output ≥-127 dBm ±1 dB, output ≥-119.9 dBm,
±3 dB, output <-127 dBm ±3 dB, output <-127 dBm 1 - 1000 MHz
±1.5 dB, output ≥-119.9 dBm,
1000 to 3000 MHz
±2 dB, output ≥-119.9 dBm,
3000 to 6000
1
, <1 MHz
±3 dB, output ≥-129.9 dBm
Reverse power protection: 50 watts 50 watts 25 watts
2
, .1 - 2060 MHz
1 watt, >2060 MHz
Third order intermod: <-50 dBc <-50 dBc <-47 dBc
(frequencies < 1300 MHz, two
signals at +8 dBm, 25 kHz apart
through a resistive combiner)
Overrange: Typically 2 dB Typically 2 dB Typically 2 dB
Switching speed (typical): <50 ms <50 ms <50 ms
SWR:
Output level <3000 MHz ≥3000 MHz
≥0 dBm <2.2:1 <2.2:1 <1.75:1 <2.0:1
<0 dBm <1.5:1 <1.5:1 <1.5:1 <1.75:1
Output impedance: 50 Ω 50 Ω 50 Ω
Amplitude modulation
Depth: 0 - 100%, output ≤+7 dBm 0 - 100%, output ≤+7 dBm 0 - 100%, output ≤+7 dBm
Resolution: .1% .1% .1%
Bandwidth (3 dB): dc to >100 kHz, >128 MHz dc to >100 kHz, >128 MHz dc to >10 kHz for >10 MHz
Accuracy: ±(7% of setting +1%) up to ±(7% of setting +1%) up to ± (6% of setting +1%) up to
1 kHz rate 80% depth 80% depth 90% depth
Distortion: <3%; <4% Option 002 <3%; <4% Option 002 <4%
30% depth, 1 kHz rate
Incidental phase modulation: <0.2 radians peak <0.2 radians peak <0.2 radians peak, ≤2000 MHz
(at 30% depth, 1 kHz rate) <0.2 radians peak, >2000 MHz
External input impedance: 600 Ω 600 Ω 600 Ω
Frequency modulation
Maximum peak deviation: 2 MHz, 1030 - 2060 MHz 20 MHz/200 kHz
3
, >1030 MHz 20 MHz, 3000 - 6000
1
MHz
1 MHz, 515 - 1030 MHz 10 MHz/100 kHz
3
, >515 MHz 10 MHz, 1500 - 3000 MHz
500 kHz, 257.5 -515 MHz 5 MHz/50 kHz
3
, >257.5 MHz 5 MHz, 750 - 1500 MHz
250 kHz, 128.5 - 257.5 MHz 2.5 MHz/25 kHz, >128.5 MHz 2.5 MHz, 375 - 750 MHz
125 kHz, 64 - 128.5 MHz 1.25 MHz/12.5 kHz
3
, >64 MHz 1.25 MHz, 187.5 - 375 MHz
62.5 kHz, 32 - 64 MHz 62.5 kHz/6.25 kHz
3
, >32 MHz 5 MHz, <187.5 MHz
Deviation halves per lower octave Deviation halves per lower octave
(>16, >8, >4, >2, >1, >.5 MHz). (>16, >8, >4, >2, >1, >.5 MHz).
Resolution: 2.5% of setting 2.5% of setting 2.5% of setting
Bandwidth (3 dB): dc to 100 kHz dc to 100 kHz dc to 800 kHz
Carrier accuracy in FM: ±0.5% of setting ±0.5% of setting ±0.6% of setting
Indicator accuracy: <5%, <30 kHz rates <5%, <30 kHz rates ±9%, <20 kHz rates
<10%, <100 kHz rates <10%, <100 kHz rates ±11%, <20 kHz rates, Option 004
Distortion: <5%, 20 Hz to 100 kHz rates
3
<5%, < 1%
3
20 Hz to 100 kHz <1%, 20 Hz to 20 kHz rates
Incidental AM: <0.5%, deviation ≤20 kHz <0.5%, deviation ≤20 kHz <0.3%, deviation ≤20 kHz
External group delay: <10 µs, <100 kHz rates <10 µs, ≤100 kHz rates <30 µs, ≤20 kHz rates
External input impedance: 600 Ω 600 Ω 600 Ω
Specifications (continued)
1. 3000 MHz for 8664A, 4200 MHz for 8665A, 6000 MHz for 8665B.
2. One watt on 8665B.
3. Low noise mode three.