1150-B: Difference between revisions

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Manual Needed
Manual Needed
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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.   
The Type 1150-B is a general purpose frequency meter and event counter. Its an improvment on the 1150-A with  
 
higher frequency range and trigger control.  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.
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"'''' 10 Hz to 400 kHz.
* '''Frequency Range:''' 10 Hz to 400 kHz
* '''Sensitivity''' 0.1 volt, peak-to-peak, at 100 kΩ or 1 volt, peak-to-peak, at 1 MΩ.
* '''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 shunted by 50 pf 100 kΩ shunted by 500 pf, switch selected.
* '''Input Impedance:''' 1 MΩ // 50 pF, or 100 kΩ// 500 pF, switch-selected


==Links==
==Links==

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