Tektronix 485 Oscilloscope

Models in this family

1. 

   485 Oscilloscope

   The Tektronix 485 is a portable, dual-channel wide-band oscilloscope with selectable input impedance, providing up to 350 MHz bandwidth in 50 Ω mode and 250 MHz in 1 MΩ mode.

   Cited variants

   Designation	Generation	Vintage	Changes	Source
   485-1	—	—	No external trigger view	archive.org[1]
   485-2	—	—	No external trigger view; only 50 Ω vertical input impedance	archive.org[1]
   R485	—	—	Rackmount version of the 485 oscilloscope	archive.org[1]

Sources