Fluke 9640A Series, Instruction Manual

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9640A
Instruction Manual
1-10
Frequency Reference Input/Output Specifications
Frequency Reference Input Rear panel Reference Frequency Input BNC connector
Frequency 9640A: 1 MHz to 20 MHz in 1 MHz steps ±30 ppm
9640A-LPN: 1 MHz to 20 MHz in 1 MHz steps ±1 ppm
Level
1 V pk nominal into 50
Ω,
±5 V pk max.
Frequency Reference Output Rear panel Reference Frequency Output BNC connector
Frequency 1 MHz or 10 MHz, user selectable
Level
1.5 V pk-pk into 50
Ω
, 3 V pk-pk into 1 k
Ω
, TTL compatible.
Accuracy
[1]
0.04 ppm
Ageing Rate and Stability
[1]
After 24hr warmup: 2x10
-9
/day.
Continuous operation:
≤
2x10
-8
/month,
≤
4x10
-8
over 1 year.
[1] Specifications apply only if Internal Frequency Reference operation selected. With External Frequency Reference operation
selected the frequency of the Frequency Reference Output is locked to the signal applied to the Frequency Reference Input.
Leveled Sine Specifications
Frequency
Range 10 Hz to 4 GHz
Resolution <100 MHz: 0.001 Hz , >100 MHz: 11 digits
Accuracy Internal Frequency Reference: 0.04 ppm + 0.16 mHz
External Frequency Reference: Ext Freq Ref Ac 0.16 mHz
Amplitude
50
Ω
output 75
Ω
output
Output Connector
Precision 50
Ω
N-Series male Precision 75
Ω
N-Series male
Range -130 dBm to +24 dBm
(0.2 uV to 10 V pk-pk)
>125 MHz:
+20 dBm
>1.4 GHz: +14 dBm
-130 dBm to +18 dBm
(0.13 uV to 6.3 V pk-pk)
>125 MHz:
+14 dBm
>1.4 GHz: +8 dBm
Resolution 0.001dB 0.001dB
VSWR
≤
500 MHz:
≤
1.1
≤
1 GHz:
≤
1.2
≤
3 GHz:
≤
1.3
≤
4 GHz:
≤
1.4
≤
500 MHz:
≤
1.1
≤
1 GHz:
≤
1.2
≤
2 GHz:
≤
1.3