The Tektronix 11A33 is a 150 MHz differential comparator plug-in for 11000-series oscilloscopes.

Tektronix 11A33
150 MHz differential comparator
11A33 front view

Compatible with 11000-series scopes

Produced from 1987 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)

It uses an M393 differential amplifier feeding an M377 amplifier. It contains an ACVS sample and hold module.

Key Specifications

Bandwidth DC to 150 MHz
Deflection 1 mV/Div to 10 V/Div calibrated in 1% increments
Input impedance 50 Ω, 1 MΩ, 1 GΩ selectable
Differential DC Offset range ±1 V at 1 mV/Div
Features
  • Very high resolution calibrated DC Offset (16,000 Div effective screen height)
  • High common-mode rejection
  • Fast overdrive recovery from large input signals

Links

Documents Referencing 11A33

Document Class Title Authors Year Links
Tekscope 1972 V4 N5 Sep 1972.pdf Article A Practical Approach to Differential Amplifiers and Measurements Fred Beckett 1972
Tekscope 1972 V4 N6 Nov 1972.pdf Article Differential Amplifiers and Measurements, Part 2 Fred Beckett 1972
Electronic-Engineering-Aug-Sept-1988-Versatile-Analogue-Chip-John-Addis.pdf Article Versatile Analogue Chip for Oscilloscope Plug-ins John Addis 1988

Pictures

Components

Some Parts Used in the 11A33

Part Part Number(s) Class Description Used in
155-2089-00 155-2089-00 155-2089-05 Hybrid integrated circuit amplifier 11A33
Intel 8031 Monolithic integrated circuit 8-bit microcontroller 11A33 571 DM504A DM511 DM5110
M377 165-2129-03 165-2089-06 155-2089-05 Monolithic integrated circuit amplifier 11A16 11A32 11A33 11A34 11A52 2245 2245A 2247 2247A 2252 TDS410 TDS420 TDS460 TDS520D TDS540D TDS580D TDS680C TDS684C TDS714L TDS724D TDS754D TDS784D
M393 Monolithic integrated circuit differential amplifier 11A33