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From: skrentny@lion.cs.wisc.edu (Jim Skrentny)
Newsgroups: misc.forsale,sci.electronics
Subject: HP 181R *STORAGE* Oscilloscope mainframe $350 + shipping
Message-ID: <1991May22.021641.17708@spool.cs.wisc.edu>
Date: 22 May 91 02:16:41 GMT
Sender: news@spool.cs.wisc.edu (The News)
Distribution: usa
Organization: U of Wisconsin CS Dept
Lines: 51


                       HP 181R + manual
                       $350 + shipping
                STORAGE Oscilloscope MAINFRAME
		     Variable Persistence

modern solid state...  mainframe listed for $2400 in 1976 
requires 1800 series plugins or 8500 series spectrum analyzer plugins
Will supply surplus source for plugins.

 verticle plugins: bandwidth range from 35 to 100 Mhz
                   single, differential, dual, quad channel
time base plugins: 100 Mhz - 150 Mhz external triggering
                   5 ns - 1 s sweep speed
		   delayed and mixed
spectrum analyzer: .1 - 350 Mhz or .1 - 1500 Mhz
TDR plugins also

Specs
	graticule: 8*10 internal, front panel adjustment for alignment
      beam finder: for trace location 
           z axis: intensity modulation external input (+- 20V)

  operating modes: normal - 40us persistence (P31 phosphor)
		   max write (MW) - fast writing speed
                   write (W) - normal writing speed
		   view - trace viewable for > 1 min (W), >15 sec (MW)
		   store - trace stored > 1 hour (W), > 5 min (MW)
  var persistence: from < 0.2 sec to > 1 min
            erase: manual erase pushbutton

  sweep magnifier: *5, *10
 extern horiz amp: (dc coupled) dc - 5 Mhz, (ac coupled) 5 Hz - 5 MHz
		   deflection factor 1V/div (*1), .2V/div (*5), .1V/div (*10)
		   vernier deflection factor continuosly adjustable
		   dynamic range +/- 20V
		   input 1Meg shunted by 30 pF, max input 600 V

          outputs: main and delayed gates
		   main and delayed sweeps
		   verticle and horizontal outputs
       calibrator: 1 kHz, 10 Vpp square wave
       dimensions: approx 17 * 5.5 * 21 inches,  30 lbs
            power: 115 or 230 VAC, 48 - 440 Hz
-- 
------------
Jim Skrentny
University of Wisconsin

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