С1-122

The С1-122 is a general-purpose 100 MHz non-storage, large screen scope made by the Soviet Research and Development Institute of Radio Measuring Instruments in Vilnius (present day Lithuania). It takes two vertical and one horizontal plug-in.

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100 MHz non-storage mainframe

Produced from (?) to (?)

Manuals

(All manuals in PDF format unless noted otherwise)

It is similar to the Tektronix 7603 though with a number of significant differences:

it is noticeably larger
the channel switching controls are electronic, not mechanical, and contain indicator LEDs
the calibrator has different output voltages and frequencies
there are no rear-panel connections for sweep gate or Z axis
the probe power connectors are a Soviet type
there is a mercury-column type hours counter on the rear

The readout is different from its predecessors, the С1-91 and С1-115. Instead of their vector-type character generator, it uses a dot matrix format.

The example in the photographs is labelled in German, but ones labelled in Russian also exist.

Key Specifications