A-A-50760
5. Counter characteristics
(Extremely applied signal)
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a. Frequency range: |
100 Hz to 10 MHz |
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b. Frequency resolution |
± 1 Hz up to 1 MHz with time base set to 1 sec ±10 Hz up to 10 MHz with time base set to 0.1 sec or ± 1 Hz with time base set to 1 sec and first digit dropped off |
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c. Count accuracy |
± last digit plus time base accuracy |
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d. Time base accuracy |
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Standard |
± 1 ppm after two hours warm up @ 250C |
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Option 7 |
± 0.1 ppm after two hours warm up @ 250C |
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e. Input waveform |
Sinusoid trapezoid, or pulse with 50 nsec min width |
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f. Sensitivity |
200 mV rms |
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g. Input impedance |
10,000 Ω |
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h. Input connector |
BNC, female |
6. Other characteristics
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a. 1 kHz output |
> 1 volt peak with 1% distortion Zout = 1000 Ω nominal |
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b. External counter time base frequency standard input |
1.00000 MHz (rear panel BNC connector). |
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Input impedance |
10 k Ω nominal |
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Minimum input signal level |
100 mV rms |
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c. Dimensions = (Rack Mount. 19”) |
5 ¼ high (max) X 16 3/4" wide X 22” depth (max) behind front panel |
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d. Weight |
52 pounds (max) |
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e. Power |
115 or 230 volts (± 10%) 47 to 420 Hz, 60 watts (max). |
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