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7B53A: Difference between revisions
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The '''Tektronix 7B53A''' and '''7B53AN''' is a 100 MHz dual time base plug-in for [[7000-series scopes]]. | The '''Tektronix 7B53A''' and '''7B53AN''' is a 100 MHz dual time base plug-in for [[7000-series scopes]]. | ||
It is similar to the [[7B52]] which is much more rarely found. While the 7B52 has a separate mode switch, this is integrated into the | It is similar to the [[7B52]] which is much more rarely found. While the 7B52 has a separate mode switch, | ||
this is integrated into the TIME/DIV switch in the 7B53A. | |||
The 7B53AN is electrically identical to he 7B53A but omits the circuits needed to drive the alphanumeric | The 7B53AN is electrically identical to he 7B53A but omits the circuits needed to drive the alphanumeric | ||
readout system provided in 7000-series mainframes. | readout system provided in 7000-series mainframes. | ||
The 7B53 uses the | The 7B53 uses the −50 V supply provided by the mainframe. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Sweep rates | 50 ns/Div to 5 s/Div in 1—2—5 sequence (5 ns | {{Spec | Sweep rates | 50 ns/Div to 5 s/Div in 1—2—5 sequence (5 ns with ×10 magnification)}} | ||
{{Spec | Deflection | 10 mV/Div, 100 mV/Div or 1 V/Div, up to 2 MHz }} | {{Spec | Deflection | 10 mV/Div, 100 mV/Div or 1 V/Div, up to 2 MHz }} | ||
{{Spec | Sensitivity | 0.3 Div or 100 mV up to 10 MHz, 1.5 Div or 500 mV up to 100 MHz}} | {{Spec | Sensitivity | 0.3 Div or 100 mV up to 10 MHz, 1.5 Div or 500 mV up to 100 MHz}} | ||
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{{EndSpecs}} | {{EndSpecs}} | ||
==Variable control== | ==Operation== | ||
===Variable control=== | |||
Through an internal jumper, the front-panel variable control (red knob) can be selected to vary either the main sweep, the delayed sweep or the main sweep hold-off. See i.a. [[Media:Tekscope 1975 V7 N5.pdf | TekScope Vol. 7 No. 5, 1975]] p.15+: Dave McCullough, ''Delayed gate aids oscilloscope digital measurements''. | Through an internal jumper, the front-panel variable control (red knob) can be selected to vary either the main sweep, the delayed sweep or the main sweep hold-off. See i.a. [[Media:Tekscope 1975 V7 N5.pdf | TekScope Vol. 7 No. 5, 1975]] p.15+: Dave McCullough, ''Delayed gate aids oscilloscope digital measurements''. | ||
==X-Y operation== | ===X-Y operation=== | ||
The 7B53 supports X-Y mode by selecting the "Ampl" position on the Time/Div switch. The X signal can be picked up from a vertical plug-in via the internal trigger path or applied via the "Main Trig In or Amp In" input, as determined by the Trigger Source switch setting. Sensitivity on the external input is 100 mV/Div, which can be increased to 10 mV/DIv by selecting the x10 magnifier, or decreased to 1 V/Div by pushing the EXT÷10 button. | The 7B53 supports X-Y mode by selecting the "Ampl" position on the Time/Div switch. The X signal can be picked up from a vertical plug-in via the internal trigger path or applied via the "Main Trig In or Amp In" input, as determined by the Trigger Source switch setting. Sensitivity on the external input is 100 mV/Div, which can be increased to 10 mV/DIv by selecting the x10 magnifier, or decreased to 1 V/Div by pushing the EXT÷10 button. | ||
===Use as Delayed Timebase === | |||
The 7B53A only works in "triggered after delay" mode when used as a delayed timebase, unlike e.g. the [[7B92A]]. | |||
==Prices== | ==Prices== | ||