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Tektronix 11A32
400 MHz dual channel vertical plug-in
Tektronix 11A32

Compatible with 11000-series scopes

Produced from 1987 to (?)


Manuals – Specifications – Links – Pictures

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.

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
  • High-Resolution Calibrated DC Offset
  • Fast Overdrive Recovery
  • 50 Ω mode 5V RMS overload protected with manual reset


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



Custom ICs used in the 11A32

Page Class Manufacturer Model Part nos Description Designers Used in
M377 Monolithic integrated circuit Tektronix M377 amplifier John Addis 11A16 11A32 11A33 11A34 11A52 TDS410 TDS420 TDS460 TDS520D TDS540D TDS580D TDS680C TDS684C TDS714L TDS724D TDS754D TDS784D