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7904: Difference between revisions
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===7904A differences=== | ===7904A differences=== | ||
The 7904A re-implements the vertical amplifier using Hypcon-packaged amplifier chips designed for the [[7104]], such as the [[155-0178-00]]. | |||
The 7904 had an elaborate 5-decade built-in calibrator with variable rate that was dropped from the 7904A. In the 7904A, The Control Illumination switch moved to the rear panel, and the [[7000 series readout system|readout system]] gained a pulsed mode in which it is synchronized with the sweep instead of interrupting the display at random times. This pulsed mode is not compatible with all time base plug-ins (see manual p. 1-12). | The 7904 had an elaborate 5-decade built-in calibrator with variable rate that was dropped from the 7904A. In the 7904A, The Control Illumination switch moved to the rear panel, and the [[7000 series readout system|readout system]] gained a pulsed mode in which it is synchronized with the sweep instead of interrupting the display at random times. This pulsed mode is not compatible with all time base plug-ins (see manual p. 1-12). | ||
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<gallery> | <gallery> | ||
7904a-front.jpg |7904A | 7904a-front.jpg |7904A | ||
7904a lvps1.png|7904A Low-voltage Power Supply Schematic | |||
7904a-h-v.jpg | 7904A Horizontal and vertical amplifiers | |||
</gallery> | </gallery> | ||
[[Category:7000 series non-storage mainframes]] | [[Category:7000 series non-storage mainframes]] | ||