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| To: | [email protected] |
|---|---|
| Subject: | LF: 300W 136kHz TX |
| From: | [email protected] |
| Date: | Tue, 10 Jun 2003 04:02:41 EDT |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
|
I had a call from Bob G8RW today.
Bob has one of my 300W class D transmitters which he ran as a 'beta test' prototype for me. Bob has gone QRT on LF due to the ever increasing switched mode power supply QRM and would like to find a new home for the TX. The transmitter is housed in an aluminium case apx 12 W x 6H x 10 D (inches). From memory, It has a fan, 12V PSU for the logic and had some extra protection voltage clamping diodes fitted across the FETs. - I can't remember if there is an internal 30V psu for the FETs or not.......Best check with Bob and adjust price accordingly. Frequency control is the on-board VCXO but there is an input on the PCB for a DDS etc at CMOS levels. Price can be haggled, but something around the cost of the TX kit (£79) seems fair as this means you'll save the effort of building it and the cost of the box, heat sink, fan and PSUs etc. - Bob's telephone number is 020 8462 1592 QTH is Bromley Kent. 73 David G0MRF |
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