| To: | John Lockhart <jlockj@earthlink.net> |
|---|---|
| Subject: | Re: [TenTec] Values of filter capacitors? |
| From: | "Dr. Gerald N. Johnson, electrical engineer" <geraldj@isunet.net> |
| Reply-to: | geraldj@isunet.net |
| Date: | Sun, 02 Dec 2001 14:24:48 -0600 |
| List-post: | <mailto:tentec@contesting.com> |
In the ladder filter that Tentec uses, the crystal frequencies determine the center frequency, while the capacitors determine the bandwidth. The larger the capacitors, the smaller the bandwidth. There can be a little shuffling of crystal frequency to refine the filter response curve. 151 is 150 pf 360 is 36 pf 510 is 51 pf 271 is 270 pf 73, Jerry, K0CQ -- Entire content copyright Dr. Gerald N. Johnson. Reproduction by permission only. |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [TenTec] List down?, Glenn Butzlaff |
|---|---|
| Next by Date: | Re: [TenTec] Pegasus / Omni V and RigBlaster, Dr. Gerald N. Johnson, electrical engineer |
| Previous by Thread: | [TenTec] List down?, Glenn Butzlaff |
| Next by Thread: | [TenTec] TXCO, Duane Budd |
| Indexes: | [Date] [Thread] [Top] [All Lists] |