Tektronix 7B85

Tektronix 7B85 400 MHz, Delayed Time Base Plug-In

400 MHz, Delayed Time Base Plug-In

The Tektronix 7B85 is one of our refurbished 400 MHz,  Delayed Time Base Plug-Ins.

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Tektronix 7B85 Features:

  • Sweep: 5 s/Div to 10 ns/Div in 1-2-5 sequence, ×10 magnifier down to 1 ns/Div, variable to ×2.5 
  • Triggering: to 400 MHz 
  • Digital read-out of delay and delta times
  • Variable Trigger Holdoff
  • Peak-to-peak Auto Triggering

The Tektronix 7B85 is a 400 MHz delaying timebase for 7000-series scopes with digital delay and delta time read-out capability, typically used in the 7800 Series, e.g. 7844. It does not support X-Y mode.
The delay function differentiates the 7B85 from the otherwise similar 7B80. The 7B87 is also similar to the 7B85 but provides an acquisition clock for a digital storage mainframe instead of a delay.