User Manual

8
8643A 8644B 8664A
8665A/B
Frequency
range: .252 - 1030 MHz .252 - 1030 MHz .1 - 3000 MHz 8664A
.252 - 2060 MHz Option 002 .252 - 2060 MHz Option 002 .1 -4200 MHz 8665A
.1 - 6000 MHz 8665B
Resolution: .01 Hz .01 Hz .01 Hz
Accuracy (std. timebase): .375x10
-6
times carrier in Hz .375x10
-6
times carrier in Hz .375x10
-6
times carrier in Hz
<1 year of calibration
Switching speed (typical): <90 ms <350 ms <50 ms (within .33 ppm)
(within 100 Hz) <200 ms with FM on <100 ms Option 004
Internal reference oscillator Standard high stability Option 001 high stability with EFC
Aging: +1.5x10
-8
/day after ten days ±3x10
-10
/day after ten days
Temperature: +7x10
-10
, 0 to 55° C ±6x10
-10
, to 55° C
Line voltage: ±2x10
-10
, (+5%, -10%) ±1x10
-10
, ±10%
Output: 10 MHz, >0. 15 V
rms
level into 50 Ω 10 MHz, >1 V
rms
level into 50 Ω
External reference input: Accepts 10 MHz ±5 ppm and a level range of 0.5 V to 2 V
rms
into 50 Ω
Electronic frequency control (EFC): Option 001 only, +0.01 ppm for ±1 Vdc at rear panel connector, voltage range ±10 Vdc,
input impedance 10k Ω
Spectral purity
SSB phase noise (dBc/Hz):
(at 20 kHz offset)
Carrier (MHz) Standard Option 004
4120 - 6000 N/A NA -105 -116
3000 - 4120 N/A NA -105 -122
2060 - 3000 N/A NA -111 -122
1030 - 2060 -124 (Option 002) -130 (Option 002) -111 -128
515 - 1030 -130 (-134 typical) -136 (-142 typical) -117 -134
257.5 - 515 -136 -142 -122 -139
128.5 - 257.5 -140 -145 N/A N/A
.25 - 128.5 -142 -145 N/A N/A
8664A, 8665A/B
187.5 - 257.5 NA NA -128 -144
.1 - 187.5 NA NA -117 -131
Nonharmonics: <-100 dBc, >10 kHz offset, <-105 dBc, >10 kHz offset, <-100 dBc, >10 kHz offset,
.252 - 1030 MHz .252 - 1030 MHz 187.5 - 2060 MHz
<-94 dBc, >10 kHz offset, <-100 dBc, >10 kHz offset, <-90 dBc, >10 kHz offset,
1030 - 2060 MHz 1030 - 2060 MHz 2060 - 6000
1
MHz,
.1 - 187.5 MHz
Harmonics: <-25 dBc, output ≤+8 dBm <-25 dBc, output ≤+10 dBm <-30 dBc, output ≤+10 dBm
Subharmonics: None, .252 - 515 MHz None, .252 - 515 MHz <-75 dBc, .1 - 1500 MHz
<-60 dBc, 515 - 1030 MHz <-60 dBc, 515 - 1030 MHz <-40 dBc, 1500 - 3000 MHz
<-40 dBc, 1030 - 2060 MHz <-40 dBc, 1030 - 2060 MHz <-50 dBc, 3000 - 60001 MHz
Residual FM (Hz rms): Std./Option004
Carrier (MHz) 3 kHz BW 15 kHz BW 3 kHz BW 15 kHz BW 3 kHz BW 15 kHz BW
2060-60001 – – – – <60/<10 <80/<32
1030-2060 <4 <8 <2 <4 <15/<2.5 <20/<8
515-1030 <2 <4 <1 <2 <7.5/<1.2 <10/<4
257.5-515 <1.2 <2 <0.5 <1 <7.5/<1.2 <10/<4
.25-257.5 <1 <1.2 <0.5 <0.5 – –
8664A, 8665A/B
187.5-257.5 – – – – <7.5/<1.2 <10/<4
.1-187.5 – – – – <15/<2.5 <20/<8
Residual AM: <0.01% AM rms <0.01% AM rms <0.04% AM rms
(.3 to 3 kHz post det. BW)
SSB AM noise floor (dBc/Hz): <-157, 10 dBm, <1030 MHz <-157, 10 dBm, <1030 MHz <-137, 13 dBm, <187.5 MHz
(offsets >100 kHz) <-150, 10 dBm, <2060 MHz <-150, 10 dBm, <2060 MHz <-150, 13 dBm, >187.5 MHz
Specifications
1. 3000 MHz for 8664A, 4200 MHz for 8665A, 6000 MHz for 8665B.