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The CV72 is an output tetrode for pulse service. Designed to produce pulses of 10 μs duration and at a repetition rate of 400 pulses per second.

The CV73 is essentially the same valve but with different connections and a four Volt heater.

The B7 base pins and the printed CV72 on the glass.

The cathode tube is a wide oxide coated rectangular tube.

Thanks to Mark Mallison for sending these images.

The classic envelope is 52 mm in diameter, and excluding the B7base pins is 131 mm tall.

Reference: Data-sheet.

Pin Connections

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.