1153-A

The General Radio 1153-A Digital Frequency Meter was available in Catalog S 1965 only. The Type 1153-A is a general purpose frequency meter and event counter. For the frequency display it uses five "Numerik" incadesant readouts. See IND-0300 also IND-1801 for details. An interesting to note that is a lamp fails the counter will stop at that digit. The lamp is part of the counting circuit.

Specifications

• Frequency Range: DC to 10 MHz.
• Calibration Accuracy: ±1 count ± time-base stability.
• Sensitivity: 0.1 V, p-to-p, (30 mV, rms), at 100 kΩ and 50 pF; 1.0 V p-to-p (0.3 V, rms), at 1MΩ and 20 pF.

Links

• Experimenter describing Type 1153-A September 1965
• Experimenter describing Numerik Display August 1964

Photos

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  Note the spare lamps

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  Note the spare lamps

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