442

From TekWiki
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
Tektronix 442
35 MHz dual-trace scope
Tek 442

Produced from (?) to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix 442 is a 35 MHz dual-trace oscilloscope with a single timebase.

Specifications

please add

The anode voltage on the CRT is 10 kV and the standard phosphor was P31.

A Tektronix 442 consumes 36 watts and weighs about 20 pounds.

Internals

Serials numbers from B010100 to B010786 use the 154-0729-00 CRT. Starting with serial number B010787, the 154-0804-00 CRT is used.

Triggering is done using a trigger amplifier made of discrete bipolar transistors and a 74S00 TTL quad NAND gate configured as a flip-flop.

The power supply is linear and regulated using op amps as error amplifiers.

The vertical and horizontal amplifiers are made of discrete bipolar transistors except for the dual-JFETs that are used as high-impedance buffers at the signal inputs.

Links

Pictures

Components

Some Parts Used in the 442

Part Part Number(s) Class Description Used in
154-0729-00 154-0729-00 CRT CRT T921 T922 T922R T932 T932A T935 T935A 442
154-0804-00 154-0804-00 CRT CRT 442 T922