104

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Tektronix 104
Square wave generator / voltage calibrator
Tek 104A

Produced from 1948 to (?)

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

The Tektronix 104 Square Wave Generator and Voltage Calibrator was introduced in 1948. The 104A was introduced in 1950.

The high-frequency square wave output of the 104 is specified to have a 15 nanosecond rise time. The 104A has a slightly looser specification of 20 nanoseconds.

Pictures


Some Parts Used in the 104

Page Class Description Used in
12AU7 Vacuum Tube (Dual Triode) dual medium-μ triode 104 104A 122 160 161 162 181 190 310 316 317 502 502A 511A 512 516 517 517A 524 526 535 536 545 545A 545B 547 549 555 575 581 581A 585 585A C D E N Q
5V4G Vacuum Tube (Dual Rectifier) dual rectifier 104 104A 160 511A 514
6AG7 Vacuum Tube (Pentode) 9 Watt power pentode 104 104A 105 112 511 511A 512 513 514 517 517A 524
6J6 Vacuum Tube (Dual Triode) high-frequency dual triode 104 104A 161 511 511A 512 517 517A
6Y6G Vacuum Tube (Pentode) power pentode 104


Some Parts Used in the 104A

Page Class Description Used in
12AU7 Vacuum Tube (Dual Triode) dual medium-μ triode 104 104A 122 160 161 162 181 190 310 316 317 502 502A 511A 512 516 517 517A 524 526 535 536 545 545A 545B 547 549 555 575 581 581A 585 585A C D E N Q
5V4G Vacuum Tube (Dual Rectifier) dual rectifier 104 104A 160 511A 514
6AG7 Vacuum Tube (Pentode) 9 Watt power pentode 104 104A 105 112 511 511A 512 513 514 517 517A 524
6J6 Vacuum Tube (Dual Triode) high-frequency dual triode 104 104A 161 511 511A 512 517 517A