465

The Tektronix 465 is a portable 100 MHz dual-trace oscilloscope with dual time-bases. The 465 was very popular and Tek made them for quite a few years. It is all solid-state except for the CRT. The 465 uses tunnel diodes with Tek part number 152-0125-00, which are equivalent to TD3A.

{{{manufacturer}}}
Portable 100 MHz dual-trace scope Tektronix 465 front Produced from to Manuals Tektronix 465 Manual (PDF) Tektronix 465B Trigger Generator Schematic (PDF) Tektronix 465 Manual (PDF) (better scan) (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The 465 uses 155-0032-00 chips (their -01 grade) as trigger amplifiers.

Specifications

Links

Jim Williams repairs Tom Osborne's Tektronix 465B oscilloscope (YouTube)
Repairing a 465 (power supply, z axis amplifier, vertical pre amplifier issues) - nice internal photos