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For the term "ralph suddath shifting frequencies".

Scoposcopy: Tek RM503 Lissajous Figures with Audio

RM503 displaying Lissajous aka Bowditch figures, with Audio. Two oscillators send their frequencies to loudspeakers, and to the horizontal and vertical channels of the RM503 precision low-frequency oscilloscope. The Philips counter displays the ratio…

Scoposcopy: RM503 and the 4 Oscillators Present: Lissajous For You

Also known as Bowditch figures. Equipment: Tektronix RM503 Precision Low-Frequency Oscilloscope DuMont Type 347 Sine Wave Oscillator General Radio 1310B Sine Wave Oscillator WaveTek Model III Voltage Controlled Oscillator Interstate F43 High Voltage Function…

Electric OU: MOSFETs…. HOW do they Work? Part 9

The same setup (IRFPG50 in linear conductance region, NTC thermistor monitoring bulb temperature, airflow sensor) is used to demonstrate that the mosfet’s capacitances can and do pass AC current between Gate and Source, and…