File:17 TQD56 Trimmer A 20240212.jpg: Difference between revisions
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(* Warning! * Do not touch or bend the two red wires with open ends that seems oddly forgotten. * They are part of a trim capacitor that are used to compensate for the Time Base Amplifiers frequency response. One pair at the upper board and one pair at the lower board. If you change the tube to an other manufacturer, it may be needed to adjust (bend) a little. Nothing is mentioned in the D55A manual what I could find.) |
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* Do not touch or bend the two red wires with open ends that seems oddly forgotten. | * Do not touch or bend the two red wires with open ends that seems oddly forgotten. | ||
* They are part of a trim capacitor that are used to compensate for the Time Base Amplifiers frequency response. One pair at the upper board and one pair at the lower board. If you change the tube to an other manufacturer, it may be needed to adjust (bend) a little. Nothing is mentioned in the D55A manual what I could find. | * They are part of a trim capacitor that are used to compensate for the Time Base Amplifiers frequency response. One pair at the upper board and one pair at the lower board. If you change the tube to an other manufacturer, it may be needed to adjust (bend) a little. Nothing is mentioned in the D55A manual what I could find. | ||
* Here is a good link: https://www.w8ji.com/neutralizing__amplifier.htm | |||
Latest revision as of 12:28, 12 February 2024
Summary
- Warning!
- Do not touch or bend the two red wires with open ends that seems oddly forgotten.
- They are part of a trim capacitor that are used to compensate for the Time Base Amplifiers frequency response. One pair at the upper board and one pair at the lower board. If you change the tube to an other manufacturer, it may be needed to adjust (bend) a little. Nothing is mentioned in the D55A manual what I could find.
- Here is a good link: https://www.w8ji.com/neutralizing__amplifier.htm
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:25, 12 February 2024 |  | 1,195 × 1,001 (103 KB) | Bo (talk | contribs) | * Warning! * Do not touch or bend the two red wires with open ends that seems oddly forgotten. * They are part of a trim capacitor that are used to compensate for the Time Base Amplifiers frequency response. One pair at the upper board and one pair at the lower board. If you change the tube to an other manufacturer, it may be needed to adjust (bend) a little. Nothing is mentioned in the D55A manual what I could find. |
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