1150-B: Difference between revisions
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It is an improvement on the [[1150-A]] with higher frequency range and trigger control. | It is an improvement on the [[1150-A]] with higher frequency range and trigger control. | ||
The display consists of five "Numerik" incandescent readouts (see [[IND-0300]] and [[IND-1801]] for details). | The display consists of five "[[Numerik]]" incandescent readouts (see [[IND-0300]] and [[IND-1801]] for details). | ||
It is interesting to note that if a lamp fails, the counter will stop at that digit because the lamp is part of the counting circuit. | It is interesting to note that if a lamp fails, the counter will stop at that digit because the lamp is part of the counting circuit. | ||
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==Links== | ==Links== | ||
* [[Media:GRwiki Exp 1150-A 06_1963.pdf|Experimenter describing Type 1150-A | * [[Media:GRwiki Exp 1150-A 06_1963.pdf|Experimenter June 1963 describing Type 1150-A]] | ||
* [[Media:GRwiki Exp 1150-B 08_1964.pdf|Experimenter describing Type 1150-B | * [[Media:GRwiki Exp 1150-B 08_1964.pdf|Experimenter August 1964 describing Type 1150-B]] | ||
* [[Media:GR Exp Numerik 1962-2.pdf|Experimenter describing Numerik Display | * [[Media:GR Exp Numerik 1962-2.pdf|Experimenter August 1964 describing Numerik Display]] | ||
==Photos== | ==Photos== | ||
Latest revision as of 16:54, 20 October 2024
The General Radio 1150-B Digital Frequency Meter, a general-purpose frequency meter and event counter, was only available in Catalog S (1965). It is an improvement on the 1150-A with higher frequency range and trigger control.
The display consists of five "Numerik" incandescent readouts (see IND-0300 and IND-1801 for details). It is interesting to note that if a lamp fails, the counter will stop at that digit because the lamp is part of the counting circuit.
Specifications
- Frequency Range: 10 Hz to 400 kHz
- Sensitivity 0.1 Vp-p at 100 kΩ or 1 Vp-p at 1 MΩ
- Accuracy: ± 1 count ± crystal-oscillator stability
- Input Impedance: 1 MΩ // 50 pF, or 100 kΩ// 500 pF, switch-selected
Links
- Experimenter June 1963 describing Type 1150-A
- Experimenter August 1964 describing Type 1150-B
- Experimenter August 1964 describing Numerik Display
