The Tektronix DL2 Digital Latch is a plug-in for 7000-series scopes that functions as a glitch detector extension to the 7D01 logic analyzer. There is a TM500 counterpart, the DL502.

Tektronix DL2
Digital Latch

Compatible with 7000-series scopes

Produced from 1978 to (?)

(All manuals in PDF format unless noted otherwise)

It connects between the P6451 probes and the 7D01 and receives the latter's store clock via a front panel BNC connector. Short pulses ≥5 ns are stretched to the clock period.

Key Specifications

Number of channels 16
Minimum pulse width 5 ns
Minimum clock period 20 ns


The data path in the DL2 is built using standard 100k ECL circuits. The –4.8 V and –2 V ECL supplies are generated by a 555-driven switcher powered off the ±15 V rails (same board as in the 7D01).


Documents Referencing DL2

Document Class Title Authors Year Links
Tekscope 1977 V9 N3.pdf Article New Products 1977



Some Parts Used in the DL2