191: Difference between revisions

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The Tektronix Type 191 Constant Amplitude Signal Generator is a sine wave source
The Tektronix Type 191 Constant Amplitude Signal Generator is a sine wave source
introduced in 1966.  It covers frequencies from 350 kHz to 100 MHz in seven bands.  The output
[[introduced in 1966]].  It covers frequencies from 350 kHz to 100 MHz in seven bands.  The output
amplitude can be adjusted in calibrated steps from 5 mV to 5 V in three ranges.  The oscillator
amplitude can be adjusted in calibrated steps from 5 mV to 5 V in three ranges.  The oscillator
is an Colpitts oscillator using a [[7119]] tube.  A peak-to-peak detector made with two GaAs diodes
is an Colpitts oscillator using a [[7119]] tube.  A peak-to-peak detector made with two GaAs diodes