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HP 1821A TIME BASE
AND DELAY GENERATOR
The HP 180A was one of the first solid state oscilloscopes (apart from the CRT) and was introduced in 1966. Various plug-in units were available for vertical and horizontal deflections. The HP 1821A Time Base and Delay Generator cost $800 in 1968.

1821A front panel
March 2016

The HP 1821A is a timebase and delay generator, with sweep settings of 1s/div (1Hz) up to 100ns/div (10MHz). The HP 180A Mainframe has horizontal magnification of x1, x5 (50MHz max) and x10 (100MHz max). The red switch selects main, mixed or delayed sweep display. The 1821A was acquired as part of the HP 180A Oscilloscope.

1821A LHS
1821A RHS
1821A bottom
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