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1150-B: Difference between revisions
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The '''General Radio 1150-B Digital Frequency Meter''' was only available in Catalog S 1965. | 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. | |||
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== | ==Specifications== | ||
* '''Frequency Range | * '''Frequency Range:''' 10 Hz to 400 kHz | ||
* '''Sensitivity''' 0. | * '''Sensitivity''' 0.1 V<sub>p-p</sub> at 100 kΩ or 1 V<sub>p-p</sub> at 1 MΩ | ||
* '''Accuracy:''' ± 1 count ± crystal-oscillator stability | * '''Accuracy:''' ± 1 count ± crystal-oscillator stability | ||
* '''Input Impedance:''' 1 MΩ | * '''Input Impedance:''' 1 MΩ // 50 pF, or 100 kΩ// 500 pF, switch-selected | ||
==Links== | ==Links== | ||