7B87: Difference between revisions
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{{Plugin Sidebar | | {{Plugin Sidebar | ||
manufacturer=Tektronix | type=7B87 | | |manufacturer=Tektronix | ||
summary=400 MHz | |type=7B87 | ||
image=Tek 7b87 front.jpg | | |summary=400 MHz time base for 7854 | ||
caption=Tektronix 7B87 Timebase plug-in| | |image=Tek 7b87 front.jpg | ||
introduced=1981 | | |caption=Tektronix 7B87 Timebase plug-in | ||
discontinued=1986 | |introduced=1981 | ||
|discontinued=1986 | |||
series=7000-series scopes| | |series=7000-series scopes | ||
manuals= | |designers= | ||
|manuals= | |||
* [http://bama.edebris.com/download/tek/7b87/tek-7b87.pdf Tektronix 7B87 Manual (PDF)] | * [http://bama.edebris.com/download/tek/7b87/tek-7b87.pdf Tektronix 7B87 Manual (PDF)] | ||
* [http://w140.com/smb/7b87_sm.pdf Tektronix 7B87 Manual (OCR, PDF)] | * [http://w140.com/smb/7b87_sm.pdf Tektronix 7B87 Manual (OCR, PDF)] | ||
Revision as of 06:59, 9 August 2021
The Tektronix 7B87 is a 400 MHz time base plugin for 7000-series scopes. It is specifically designed to be used in the "B" Horizontal bay of the 7854 digital scope for which it provides a clock for single-sweep acquisition. Otherwise it is similar to the 7B85. It has no provision for X-Y mode.
When used in a scope other than the 7854, the 7B87 can be used as a delaying timebase even though the delay mode buttons are labeled differently.
Key Specifications
| Sweep | 5 s/Div to 10 ns/Div in 1-2-5 sequence, ×10 magnifier down to 1 ns/Div, variable to ×2.5 |
|---|---|
| Jitter | 0.1 ns or less |
| Trigger sensitivity | 0.3 Div to 50 MHz, 1.5 Div to 400 MHz |
Pictures
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7B87 front
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Left side
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Right side
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7B87 in a 7854
