Say hello to the Rohde And Schwarz Polyskop II
I wonder how many of these are left in the world?
It's to the best of my understanding a frequency response analyzer for shecking filters or amplifiers.
This would be an ancestor of the modern network analyzer.
It's very heavy and has lots of tubes on silver plated chassis.
The manual is out there
- From it comes a 0.5 to 1200MHz swept frequency divided into 6 bands.
- The sweep is a bit primitive, as the deflection is driven by a sine wave from the mains frequency, as is the swept oscillator.
- The input is an RF level detector. The circuit under test is connected between the swept frequency and the detector input.
- The vertical scale is calibrated and had a linear or log response chosen by a switch.
- There is also an input to the vertical amplifier in case one wishes to use another signal compared to the sweep.
Some nice pics here:
http://www.radiomuseum-bocket.de/wiki/index.php?title=Rohde_u_Schwarz_Polyskop_II_(2)_SWOB_BN4245/50a video:
https://www.youtube.com/watch?v=TAfVvDTYHJcA nice 1-page cut sheet for it is attached
https://www.siwe.be/files/collectie/V300-R&S-Polyskop-II-200pi.pdfYah by the way it has a large CRT with electromagnetic deflection, very sweet. I love it, there are apparently a few collectors, and just wonder how many have survived? Are any in use? Mine came on and worked last time it was used maybe 15 years ago, but I am sure it needs caps and whatever else. Seems handy enough for a bit of fun.