104
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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
104A
104A
104A
104A
104A
104A
104
104A Schematic
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 |