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7000 Series plug-in interface: Difference between revisions
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| 13 || +Trigger (V) ''[note 2]'' || −Trigger (V) ''[note 2]'' | | 13 || +Trigger (V) ''[note 2]'' || −Trigger (V) ''[note 2]'' | ||
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| 14 || bgcolor="Pink"| Lights common || Dual beam Aux Y-Axis | | 14 || bgcolor="Pink"| Lights common || Dual beam Aux Y-Axis | ||
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| 15 || Single sweep logic || Single sweep reset (H) | | 15 || Single sweep logic || Single sweep reset (H) | ||
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* ''Trigger Holdoff'' − 0/+5 V, generated by time-base, high during holdoff time of time-base, used in mainframe for ALT sequencing. | * ''Trigger Holdoff'' − 0/+5 V, generated by time-base, high during holdoff time of time-base, used in mainframe for ALT sequencing. | ||
* ''Chop Drive'' − 0/+5 V; switches at one-half the rate of the VERTICAL MODE CHOP signal; high level selects channel 2, low level selects channel 1 of a dual-trace plug-in. | * ''Chop Drive'' − 0/+5 V; switches at one-half the rate of the VERTICAL MODE CHOP signal; high level selects channel 2, low level selects channel 1 of a dual-trace plug-in. | ||
* ''Aux Sweep Gate'' − 0/+5 V; pulled high by dual-sweep time-base plug-ins during auxiliary sweep | |||
* ''Aux Sweep Gate'' − | |||
* ''Alt Drive'' − 0/+5 V; high level will display channel 2 of a dual-trace plug-in. low will display channel 1. | * ''Alt Drive'' − 0/+5 V; high level will display channel 2 of a dual-trace plug-in. low will display channel 1. | ||
* ''Intensity Limit'' − Switched to ground by timebase in slow sweep speeds (≥100 ms/Div), limits beam intensity to protect the CRT [[phosphor]] | * ''Intensity Limit'' − Switched to ground by timebase in slow sweep speeds (≥100 ms/Div), limits beam intensity to protect the CRT [[phosphor]] | ||
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* ''Signal'' − Signal output from plugin to mainframe. Differential, 50 Ω per side. 50 mV/Div (differential). | * ''Signal'' − Signal output from plugin to mainframe. Differential, 50 Ω per side. 50 mV/Div (differential). | ||
* ''Trigger'' − Copy of signal output from V plugin to mainframe. Differential, 50 Ω per side. 50 mV/Div (differential). Terminated on H slots. | * ''Trigger'' − Copy of signal output from V plugin to mainframe. Differential, 50 Ω per side. 50 mV/Div (differential). Terminated on H slots. | ||
* ''Aux Y-Axis'' − Current-driven input to mainframe allowing vertical separation of two traces with dual timebase plugins. | * ''Dual Beam Aux Y-Axis'' − Used in dual beam mainframes ([[7844]]), Current-driven input to mainframe allowing vertical separation of two traces with dual timebase plugins. 1mA/DIV sensitivity. | ||
* ''Single Sweep Logic'' − 0/+5 V; high level when time-base is in single sweep mode. | |||
* ''Single Sweep Logic'' − | |||
* ''Single Sweep Reset'' − Switched to ground to reset single sweep. | * ''Single Sweep Reset'' − Switched to ground to reset single sweep. | ||
* ''Aux Y-Axis'' − Current-driven input to mainframe allowing vertical separation of two traces with dual timebase plugins. 1mA/DIV sensitivity. | |||
* ''Aux Z Axis'' − Current-driven input to mainframe allowing plugins to modulate beam intensity, e.g. in dual timebase A intensified by B display mode; driven only when plug-in output is displayed (see MF Ch Switch above) | * ''Aux Z Axis'' − Current-driven input to mainframe allowing plugins to modulate beam intensity, e.g. in dual timebase A intensified by B display mode; driven only when plug-in output is displayed (see MF Ch Switch above) | ||
* ''Trigger In'' − Trigger signal input on H plugin, routed from V plugin's trigger output. Differential, 50 Ω per side, 50 mV/Div (differential). | * ''Trigger In'' − Trigger signal input on H plugin, routed from V plugin's trigger output. Differential, 50 Ω per side, 50 mV/Div (differential). | ||