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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: RE: G3LDO 500kHz rig |
| From: | Peter Dodd <[email protected]> |
| Date: | Fri, 29 Feb 2008 23:52:08 +0000 |
| In-reply-to: | <000901c87b17$0b094400$0201a8c0@ken> |
| References: | <000001c87a63$13267ea0$8700a8c0@rtv5f9d8dfdf44> <[email protected]> <004901c87abb$636f7120$0301a8c0@g3kev> <[email protected]> <000901c87b17$0b094400$0201a8c0@ken> |
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Ken M0KHW wrote The PL509/519 is very rugged and will give far more power than an 807 at relatively low HT voltages. I run my PL519 at around 80watts output although it is capable of a bit more without exceeding the anode dissipation. The only downside is that the PL509/519 requires 40v for the heaters but I had a suitable transformer in one of my many junk boxes.How many watts is the PL519 running?, I have some 807s I was thinking of using, but they like 750 volts on the anode. In 1998 LX1PD used a transmitter on 136kHz that used 16 PL36s in parallel. The PL36 was also a TV line TB valve. regards Peter, G3LDO |
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