3A75

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Tektronix 3A75
4 MHz amplifier plugin
3A75 front

Compatible with 560-series scopes

Produced from 1964 to 1973

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

The Tektronix 3A75 is an amplifier plug-in for 560-series scopes. It was named the Type 75 when first released, and renamed the 3A75 at serial number 1120.

Specifications

The 3A75 has 4 MHz bandwidth.

Pictures

Components

Some Parts Used in the 3A75

Part Part Number(s) Class Description Used in
12AT7 154-0039-00 Vacuum Tube (Dual Triode) dual high-gain triode 161 180 310 310A 315 316 360 502 502A 511A 512 513 513D 514 514AD 514D 516 524 529 RM529 544 546 547 556 565 570 3A2 75 3A75 1M1 A B C G H K L ML M N K R S Z Keithley 610B
12BY7A 154-047 154-0047-00 Vacuum Tube (Pentode) miniature 6.5 W power pentode 106 163 524 531 533 535 536 541 543 535 545 545A 549 555 75 3A75 3B5
6197 154-0146-00 Vacuum Tube (Pentode) 7.5 W power pentode 516 531 533 535 535A 547 556 75 3A75
6DJ8 154-0187-00 154-0305-00 Vacuum Tube (Dual Triode) dual triode 067-506 111 132 161 310A 316 317 502 502A 503 504 506 515 516 519 526 529 RM529 533 535 536 543 544 545 545A 545B 546 547 549 555 556 561A 561S 564 565 567 581 581A 585 585A 661 1A4 1S1 60 2A60 63 2A63 67 2B67 3A1 3A1S 3A2 3A3 3A6 3A7 72 3A72 75 3A75 4S2 51 3B1 3B1S 3B2 3B3 3B4 3M1 3S76 3T77 3T77A 9A1 9A2 1121 80 81 82 86 B O W Z Telequipment D56 Telequipment S32A Telequipment D52 S-311 Telequipment TD51 Telequipment S52 Telequipment S51 Telequipment Type A TU-4