DD501

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Tektronix DD501
digital delay
Tektronix DD501

Produced from 1975 to 1990

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

The Tektronix DD501 is a digital delay plug-in for the TM500 system.

It provides "delay by events", producing a trigger output pulse after a selectable number (0 − 99,999) of input trigger events.

Key Specifications

Event count 0 to 99,999
Max. count rate 80 MHz
Insertion delay ≤ 30 ns
Recycle time ≤ 25 ns
Min. detectable pulse ≥ 5 ns
Input impedance 1 MΩ // 20 pF
Input sensitivity 85 mVp-p up to 80 MHz, selectable + or − slope
Trigger level ± 1 V
Trigger view output ≥ 0.5 V
Output Events pulse width plus 6 ns or less, TTL level (<0.8 V / >2.0 V) into three standard TTL loads

Links

Documents Referencing DD501

Document Class Title Authors Year Links
Tekscope 1975 V7 N1.pdf Article Sweep Delay Today Dave Dunlap 1975
Tekscope 1975 V7 N4.pdf Article 16-channel Logic Analyzer Marshall Borchert 1975
070-2088-01.pdf Book TM500 Series Rear Interface Data Book 1976

Prices

Year 1975 1980 1985 1990
Catalog price $495 $850 $1,385 $2,295
In 2023 Dollars $2,800 $3,200 $3,900 $5,400

Pictures

Components

Some Parts Used in the DD501