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flashlamp-simmer-supply

Flashlamp Simmer Supply 867

Flashlamp Simmer Supply 867
Flashlamp Simmer Supply 867
Flashlamp Simmer Supply 867
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150mA SIMMER CURRENT

1125V OPEN CIRCUIT VOLTAGE

AUTOMATIC BOOST TO MAINTAIN ARC

UP TO 28W OUTPUT

SCR DRIVE FOR TRIGGER TRANSFORMER


DESCRIPTION:

The Model 867 simmer supply is designed to strike and maintain a low-level current discharge in flashlamps.

Initially, the simmer output open circuit voltage rises to a stabilized 1125V.

The simmer trigger output provides an SCR discharge of 350V at 20mJ to drive a trigger transformer.

When the lamp is struck, the trigger pulses are inhibited and the supply provides a constant current to the flashlamp.

Immediately after PFN discharge, the current is boosted automatically to maintain the arc.

An external ballast is not normally required.

For high pressure, long-arc lamps or dual lamps,
Model 862A is recommended.