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Philco 60 code 121 IF's
RodB
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Posts: 988
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Joined: Feb 2015
City: Roseville, MN
#5

03-19-2024, 10:19 AM
Yes, this will work the way the schematic shows. A variable cap connected in series with an oscillator coil is called a padder and is tuned at the low end of the specific band, in this case 600khz. Variable caps in parallel with an oscillator coil are trimmers and tune the upper end of the band.
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Messages In This Thread
Philco 60 code 121 IF's - by Jimradio - 03-14-2024, 07:43 PM
RE: Philco 60 code 121 IF's - by MrFixr55 - 03-15-2024, 10:16 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-15-2024, 02:19 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-19-2024, 07:43 AM
RE: Philco 60 code 121 IF's - by RodB - 03-19-2024, 10:19 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-19-2024, 01:56 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-19-2024, 03:32 PM
RE: Philco 60 code 121 IF's - by Radioroslyn - 03-19-2024, 05:29 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-19-2024, 07:27 PM
RE: Philco 60 code 121 IF's - by Radioroslyn - 03-20-2024, 06:27 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-20-2024, 09:58 AM
RE: Philco 60 code 121 IF's - by radiorich - 03-21-2024, 09:09 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-21-2024, 11:46 AM
RE: Philco 60 code 121 IF's - by klondike98 - 03-21-2024, 12:04 PM
RE: Philco 60 code 121 IF's - by Radioroslyn - 03-21-2024, 08:51 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-22-2024, 07:57 AM
RE: Philco 60 code 121 IF's - by radiorich - 03-22-2024, 08:17 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-22-2024, 11:19 AM
RE: Philco 60 code 121 IF's - by Radioroslyn - 03-22-2024, 12:55 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-29-2024, 07:48 AM
RE: Philco 60 code 121 IF's - by RodB - 03-29-2024, 10:36 AM
RE: Philco 60 code 121 IF's - by Jimradio - 03-29-2024, 03:09 PM
RE: Philco 60 code 121 IF's - by Jimradio - 03-30-2024, 03:54 PM
RE: Philco 60 code 121 IF's - by Jimradio - 04-04-2024, 09:47 AM



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