File:17 TQD56 Trimmer A 20240212.jpg
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Size of this preview: 716 × 600 pixels. Other resolution: 1,195 × 1,001 pixels.
Original file (1,195 × 1,001 pixels, file size: 103 KB, MIME type: image/jpeg)
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
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:25, 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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