Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Advice\s+will\s+be\s+gratefully\s+received\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Advice\s+will\s+be\s+gratefully\s+received\s*$/: 4 ]

Total 4 documents matching your query.

1. RE: LF: Advice will be gratefully received (score: 1): Author: [email protected]; Date: Wed, 28 Sep 2005 12:46:01 +0200; I would have thought that the aerial system was resonant but something seems to have changed ! 73 Chris G3XIZ May be some FET sellers slyly de-tune the ham antennas during the night, just to get new; /rsgb_lf_group-archives/html/rsgb_lf_group/2005-09/msg00035.html (9,099 bytes)
2. RE: LF: Advice will be gratefully received (score: 1): Author: "OSBORN, Chris" <[email protected]>; Date: Wed, 28 Sep 2005 11:36:07 +0100; Many thanks Rik, I shall put in an order for some more robust fet's. I would have thought that the aerial system was resonant but something seems to have changed ! 73 Chris G3XIZ Chris, if the load d; /rsgb_lf_group-archives/html/rsgb_lf_group/2005-09/msg00038.html (12,160 bytes)
3. Re: LF: Advice will be gratefully received (score: 1): Author: Rik Strobbe <[email protected]>; Date: Wed, 28 Sep 2005 12:21:26 +0200; Chris, if the load differs from 50 Ohm (and especially if ot has a reactive component) the drain voltage can easily sing to 5 times the power supply voltage. I would recommend to use FET's with a hig; /rsgb_lf_group-archives/html/rsgb_lf_group/2005-09/msg00039.html (11,096 bytes)
4. LF: Advice will be gratefully received (score: 1): Author: "OSBORN, Chris" <[email protected]>; Date: Wed, 28 Sep 2005 10:43:34 +0100; The PA FET's in my new home brew transmitter keep exploding ! I'm using push-pull IRF520's rated at 100 V Vds and my supply is 30 volts. I am careful not to exceed the V gs. The gates are driven with; /rsgb_lf_group-archives/html/rsgb_lf_group/2005-09/msg00041.html (9,911 bytes)

Current List: 1 - 4
Page: [1]