504

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Tektronix 504
450 kHz scope
Tektronix 504

Produced from 1960 to 1973

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

The Tektronix 504 is a monolithic oscilloscope with a bandwidth of 450 kHz introduced in 1960.

It was introduced at the same time as the 503, and is mechanically and electrically identical apart from the vertical amplifier.

The 504 was also offered in a rack mount version, the RM504.

Key Specifications

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Internals

The 503 incorporates two identical phase matched amplifiers with true differential inputs to support X-Y operation, whereas the 504 contains a simple ground referenced vertical amplifier. Due to the low bandwidth and need to keep the selling price low, neither the 503 or 504 include delay lines in the vertical signal path. Both scopes use the same CRT, the T5030.

The CRT circuit uses a single 5642 to generate the –3 kV cathode voltage. There is no post-deflection acceleration.

Triggering is done using a multivibrator made of a 6DJ8 tube. The vertical signal path has a 6DJ8 first stage, a BJT second stage, followed by the output stage. The vertical and horizontal output stages use pairs of 6CB6 tubes.

Pictures

504

RM504


Some Parts Used in the 504

Page Class Description Used in
5642 Vacuum Tube (Diode) directly-heated high-voltage rectifier 310 310A 316 317 360 453 502 502A 503 504 506 513 515 516 529 RM529 533 533A 535 536 543 543A 543B 545 545A 545B 547 551 555 556 567 575 581 581A 585 585A 647
6BC7 Vacuum Tube (Diode) triple diode 503 504
6BL8 Vacuum Tube (Triode/Pentode) triode-pentode combo 503 504 516 549 Telequipment D52 Telequipment S31 Telequipment S32 Telequipment S32A Telequipment S51 Telequipment S52
6CB6A Vacuum Tube (Pentode) pentode 105 112 316 317 503 504 513 517 541 535 545 63 2A63
6DJ8 Vacuum Tube (Dual Triode) dual triode 80 132 161 310A 316 317 3A75 502 502A 503 504 515 516 519 526 529 RM529 533 535 536 543 544 545 545A 545B 546 547 549 555 556 565 581 581A 585 585A 661 2A60 63 2A63 3A7 3A8 1121 1A4 67 81 82 86 3B1 3B4 1S1 B O W Z Telequipment S32A Telequipment D52 Telequipment TD51 Telequipment S52 Telequipment S51 Telequipment Type A
6DQ6 Vacuum Tube (Pentode) power pentode 503 504
T5030 CRT CRT 503 504 560 561 661