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6.7
VCF Input
Input Voltage
Input Impedance
0 to lOV (±lV) for 1000:1 frequency ratio
~lOkn
6.8
Frequency Counter
Input
Internal/Extemal,
front panel
switch
selected
Frequency Ranges
Internai input:
0.2Hz to 2MHz
Extemal input:
5Hz to 1 OMHz
Accuracy
Timebase
Resolution
Input Sensitivity
Extemal
Display
6.9
Sweep
5MHZ to 100MHz, back panel switch selected
10 PPM
±
1 count at
23'C
Oscillator frequency: lOMHz
Stability: ± 10 PPM at
23'C
Internai and ex tema! 10MHz: 0.1 Hz, l.OHz, 10Hz, 100Hz
10MHz:
$;25mV
RMS
100MHz:
~35mV
RMS
Five digit LED display for
frequency
Four LEDs for
gate, overflow,
kHz, MHz
Sweep/Manual Mode Switch selected
Sweep Width
1000:1 frequency ratio max., adjustable
23
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