CA: Difference between revisions
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Revision as of 14:08, 23 September 2023
The Tektronix Type CA is the most common plug-in for 500-series scopes – over 50,000 were produced. It was designed by John Kobbe and Bill Polits. The NORMAL/INVERT switch and algebraic add functions were suggested by Charlie Rhodes.
Type CA is an enhancement over its predecessor, Type 53/54C, adding ADDED mode to the A, B, CHOPPED, ALT repertoire. The "A" in "CA" stands not only for the fact that it is a modified, enhanced replacement, but also because the feature added was "ADDED".
Type CA was introduced in 1959 and discontinued in 1973, making it not only the most-produced but also one of the longest-lived.
Late versions have BNC connectors instead of UHF connectors.
Lavoie Laboratories produced an unauthorized clone, the Lavoie LA-265-CA.
Key Specifications
- please add
The risetime of a Type 545 oscilloscope with a Type CA plug-in is 15 nanoseconds, and the bandwidth is 24 MHz. Maximum vertical sensitivity is 50 mV/div.
Pictures
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Front view
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front view
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left view
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right view
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top view
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bottom view
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schematic
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Left side of Type CA plug in
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right side of Type CA plug in
Some Parts Used in the CA
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 6AK5 | 154-0014-00 • 154-0206-00 • 154-0084-00 | Vacuum Tube (Pentode) | RF pentode | B • C • CA • G • K • L • ML • S • Z • 517 • 517A • 524 |
| 6AU6 | 154-0022-00 • 157-0073-00 • 157-0059-00 • 154-0284-00 | Vacuum Tube (Pentode) | RF pentode | 107 • 160 • 181 • 190 • 60 • 2A60 • 72 • 3A72 • 3C66 • 310 • 310A • 316 • 317 • 360 • 502 • 502A • 506 • 511 • 511A • 512 • 513 • 516 • 517 • 517A • 524 • 526 • 529 • RM529 • 531 • 531A • 535 • 536 • 545 • 545A • 546 • 547 • 549 • 555 • 561 • 561A • 561S • 564 • 565 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 80 • C • CA • Q |