3A72

Manuals – Specifications – Links – Pictures

The Tektronix 3A72 is a two-channel amplifier designed for use in the 561 and 565.

Prior to serial number 1420, the 3A72 was called the Type 72. The 3A72 documentation applies to the 72.

Specifications

• Frequency response: DC to 650 kHz
• Input sensitivity: 10 mV/div to 20 V/div
• Input impedance: 1 MΩ in parallel with 47 pF

Pictures

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Type 72

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  From 1961 catalog.