11A32

The Tektronix 11A32 is a 400 MHz dual-channel amplifier plug-in for 11000-series scopes. It uses the M377 amplifier chip. The fine steps between the deflection ranges are calibrated in 1% increments.

Tektronix 11A32
400 MHz dual channel vertical plug-in Tektronix 11A32 Compatible with 11000-series scopes Produced from 1987 to (?) Manuals 11A32 manual (PDF) 11A32 Service Reference (PDF) 11A32 Extended Service Manual (with schematics, OCR, PDF) Tektronix 11k Plug-in NVRAM Replacement (PDF) Tektronix 11A32 Preliminary Service Manual (PDF) (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The 11A32 uses the same firmware as the 11A34.

Key Specifications

Bandwidth	DC to 400 MHz plus 100 MHz and 20 MHz BWL filters
Number of Inputs	2
Rise time	875 ps in 1 GHz mainframe such as the 11402, 11402A, 11403, 11403A, DSA601A, or DSA602A
Deflection	1 mV to 10V per division in 1% calibrated steps
Input impedance	50 Ω or 1 MΩ
Features	High-Resolution Calibrated DC Offset Fast Overdrive Recovery 50 Ω mode 5V RMS overload protected with manual reset

Internals

The 11A32 uses an 8052 microcontroller and a DS1120 NVRAM. It contains an ACVS sample and hold module.

Links

Pictures

11A32 Main Board Schematic
11A32 Main Interface
left side internal
right side internal