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| To: | <[email protected]> |
|---|---|
| Subject: | Re: LF: FET RDS |
| From: | Minto Witteveen <[email protected]> |
| Date: | Thu, 13 Jan 2011 23:09:57 +0100 |
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| In-reply-to: | <[email protected]> |
| References: | <003801cbb33e$8b59e620$0401a8c0@xphd97xgq27nyf> <4929CA3383DD45FCBC44A80A2733B139@PcMinto> <004801cbb34a$5b8ab580$0401a8c0@xphd97xgq27nyf> <E65C1779B3B94AAB83235F0C4D0DF677@PcMinto> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Stefan,You mentioned the IXDD414 in a previous message here on the reflector, and I immediately downloaded the datasheet. The IXDD414 certainly looks very promising and I plan to experiment with it as soon as we are allowed back on 500.... Now if I can just find a supplier here in PA who stocks this chip. My original 500 KHz design was for linear operation (so I could use psk31) but I only made one qso in PSK, the rest in ordinary CW. A new design can and will be much simpler. Thanks for the info. Regards, Minto pa3bca -------------------------------------------------- From: "Stefan Schäfer" <[email protected]> Sent: Thursday, January 13, 2011 22:49 To: <[email protected]> Subject: Re: LF: FET RDS Minto,14 nF gate capacity can easily be driven by a IXDD414, at 500 kHz and even at 1800 kHz. I've built a 600W class E for 160m running at 36 VDC (for /p, 3 car batteries in series ;-) ), using 4xIRFP260N. Efficiency is above 90% but mostly due to losses in the coils ( i like to built it compact :-) ).73, Stefan/DK7FC |
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