9A1

Tektronix Type 9A1
24 MHz dual trace amplifier Tek 9A1 Compatible with 506 Produced from 1964 to (?) Manuals Tektronix 9A1 Manual (PDF) (All manuals in PDF format unless noted otherwise)

The Tektronix Type 9A1 is a 24 MHz ("DC to 23Mc, not more than 3dB down at 24Mc") dual-trace amplifier for the 506.

The 9A1 uses a pair of 8233 pentodes to drive the CRT.

Early 9A1 units have UHF connectors for the inputs. Later units have BNC connectors.

Key Specifications

Bandwidth	24 MHz (-3 dB)
Rise time	14.5 ns
Deflection	10 mV/Div to 10 V/Div, 1-2-5, variable up to ×2.5 (25 V/Div) min.