155-0185-00: Difference between revisions
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The M187 contains a 4-decade BCD counter, latches, a multiplexer and a D/A converter that outputs a 10-level current interfacing directly with the [[7000 series readout system]]. | The M187 contains a 4-decade BCD counter, latches, a multiplexer and a D/A converter that outputs a 10-level current interfacing directly with the [[7000 series readout system]]. | ||
==Datasheet== | |||
* [[Media:Tek 155-0185-00.pdf|Tektronix 155-0185-00 Datasheet (PDF)]] | |||
==Used in== | ==Used in== | ||
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* [[7B85]] (U686) S/N B088750+ (earlier S/N use [[155-0171-00]] or [[155-0090-00]]) | * [[7B85]] (U686) S/N B088750+ (earlier S/N use [[155-0171-00]] or [[155-0090-00]]) | ||
* [[7B87]] | * [[7B87]] | ||
{{Part usage}} | |||
==Photos== | ==Photos== | ||
Revision as of 05:56, 29 July 2023
The Tektronix M187 (P/N 155-0185-00) is a 4-digit digital voltmeter monolithic integrated circuit in a 20 pin DIP, designed by Don Larson.
The M187 contains a 4-decade BCD counter, latches, a multiplexer and a D/A converter that outputs a 10-level current interfacing directly with the 7000 series readout system.
Datasheet
Used in
- 7B15
- 7B85 (U686) S/N B088750+ (earlier S/N use 155-0171-00 or 155-0090-00)
- 7B87
Some instruments using part 155-0185-00
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 7B15 | Tektronix | Plug-in | 7B15 | 1 GHz delaying timebase | 1978 |
| 7B85 | Tektronix | Plug-in | 7B85 | 400 MHz delaying timebase | 1976 |
| 7B87 | Tektronix | Plug-in | 7B87 | 400 MHz time base for 7854 | 1981 |
