P6406: Difference between revisions
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* [[Media:Tek_308_logic_analyzer_+_probes_(1979)_SM.pdf|Tek 308 Service manual + probes]] (PDF, OCR, 19MB) | |||
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The '''Tektronix P6406''' is a 16-channel word recognizer probe for the [[308]] logic analyzer. | The '''Tektronix P6406''' is a 16-channel word recognizer probe for the [[308]] logic analyzer. | ||
Latest revision as of 04:22, 20 August 2021
The Tektronix P6406 is a 16-channel word recognizer probe for the 308 logic analyzer.
The P6406 uses the P64xx-family 10-wire input lead harnesses with 0.2" connectors. Is also possible to use standard jumper wires with pins, sockets or clips on the other end for connecting inputs.
Key Specifications
- please add
Internals
The 16 inputs connect (via 330 Ω resistors) to inputs of four 74LS266 quad exclusive-NOR gates that receive bit-inversion masks from two of three 74LS164 serial-in, parallel-out shift registers. The third shift register provides don't care masks (one per group of four inputs). After the logic circuits, a 74S140 cable driver sends the trigger signal to the 308.
Links
Pictures
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P6406 probe
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P6406 case close-up
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P6406 PCB front
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P6406 PCB back
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Using P6406/P6451 probes with jumper wires
