1142-A: Difference between revisions

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* '''Frequency:''' 3 Hz to 1.5 MHz in 5 decade ranges.
* '''Frequency:''' 3 Hz to 1.5 MHz in 5 decade ranges.
* '''Maximum Voltage:''' 300 V peak-to-peak up to 150 kc, 70 V peak-to-peak above 150 kc.
* '''Maximum Voltage:''' 300 V peak-to-peak up to 150 kc, 70 V peak-to-peak above 150 kc.
* '''Sensitivity (rms/Impedance): 20 mv, 20 Hz to 150 kHz; rising to 200 mv at 3 Hz and 1.5 MHz. Up to 5 V for narrow pulses (1 ns). 100 kΩ. impedance dropping to minimum of 5 kΩ. above 500 kHz.
* '''Sensitivity:''' (rms/Impedance): 20 mv, 20 Hz to 150 kHz; rising to 200 mv at 3 Hz and 1.5 MHz. Up to 5 V for narrow pulses (1 ns). 100 kΩ. impedance dropping to minimum of 5 kΩ. above 500 kHz.


==Manuals==
==Manuals==

Revision as of 11:39, 22 February 2024

General Radio 1142-A Frequency Meter and Discriminator

The 1142-A Frequency Meter and Discriminator , introduced in 1961 Catalog Q and available to Catalog T 1968.


Specifications

  • Frequency: 3 Hz to 1.5 MHz in 5 decade ranges.
  • Maximum Voltage: 300 V peak-to-peak up to 150 kc, 70 V peak-to-peak above 150 kc.
  • Sensitivity: (rms/Impedance): 20 mv, 20 Hz to 150 kHz; rising to 200 mv at 3 Hz and 1.5 MHz. Up to 5 V for narrow pulses (1 ns). 100 kΩ. impedance dropping to minimum of 5 kΩ. above 500 kHz.

Manuals


Links

Photos