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Tektronix TM501
single-bay mainframe
Tektronix TM501

Produced from 1972 to 1991

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix TM501 is a single-bay mainframe for the TM500 system. On the TM501A, the power switch has been moved to the rear.

Key Specifications

Line Voltage 100 V to 120 V / 108 V to 132 V
Line Frequency 40 Hz to 440 Hz
Max Power 120 W
Weight 2.3 kg (6 lbs)
Size 15.2 cm × 9.9 cm × 38.9 cm (H×W×L) (6.0" × 3.9" × 15.3")
Plugin Supply
  • +33.5 V / −33.5 V, 350 mA max ea.
  • +11.5 V, 1.3 A max
  • 17.5 VAC with grounded center tap, 30 VA max
  • 2 × 25 VAC, 2 x 0.5 A / 25 VA (combined) max; floating ≤350 V (peak)


Option 2 adds internal pin headers for the slot as well as a rear 50-pin and BNC connector, allowing for custom wiring to and from the plugin.

On the standard TM501, cutouts for the 50-pin and BNC socket have been made in the rear frame, meaning that the user only needs to drill holes in the rear cover plate to install the sockets.


Documents Referencing TM501

Document Class Title Authors Year Links
Tekscope 1972 V4 N3 May 1972.pdf Article TM500 series - A New Dimension in Plug-in Instrumentation Bob Ragsdale 1972
067-1201-99 TM500 Power Module Constr Note.pdf Application Note TM500 Power Module Tester and Utility Power Supply Warren Collier 1977

Documents Referencing TM501A



TM501A </gallery> Tek_TM501A_Front.jpg| Front Tek_TM501A_Rear.jpg | Rear </gallery>