DD501

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Tektronix DD501
digital delay
Tektronix DD501

Compatible with TM500 system

Produced from 1975 to 1990

Manuals
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.

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

Prices

Year 1975 1980 1985 1990
Catalog price $495 $850 $1,385 $2,295
2018 value $2,300 $2,570 $3,210 $4,380

Pictures