DL2: Difference between revisions
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{{Plugin Sidebar | {{Plugin Sidebar | ||
| manufacturer=Tektronix | |manufacturer=Tektronix | ||
| type=DL2 | |type=DL2 | ||
| summary=Digital Latch | |summary=Digital Latch | ||
| image=Tek dl2 1.jpg | |image=Tek dl2 1.jpg | ||
| caption=DL2 | |caption=DL2 | ||
| series=7000-series scopes | |series=7000-series scopes | ||
| introduced=1978 | |introduced=1978 | ||
| discontinued=(?) | |discontinued=(?) | ||
| manuals= | |manuals= | ||
* [[Media: | * [[Media:070-2394-00.pdf|Tektronix DL2 Manual]] | ||
}} | }} | ||
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_system|TM500]] counterpart, the [[DL502]]. | 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_system|TM500]] counterpart, the [[DL502]]. | ||
Revision as of 11:32, 9 March 2022
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.
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 |
Internals
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).
Links
Pictures
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Operating principle (timing diagram)
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Operating principle (channel schematic)
Custom ICs used in the DL2
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