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3B1: Difference between revisions
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The DC voltage is made by a [[ZZ1000]] 80V reference passed through | The DC voltage is made by a [[ZZ1000]] 80V reference passed through | ||
a potentiometer-variable voltage divider. | a potentiometer-variable voltage divider. | ||
When the sweep ramp exceeds the control voltage, a tunnel diode in the | When the sweep ramp exceeds the control voltage, a 2.2mA tunnel diode in the | ||
plate load of the differential amplifier switches state. | plate load of the differential amplifier switches state. | ||