9A1
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The Tektronix 9A1 is a 24 MHz ("DC to 23Mc, not more than 3dB down at 24Mc") dual-trace amplifier for the 506. It was designed by Hiro Moriyasu and John Addis.
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. |
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