73 to all list members, Brian and everyone who's intersested (it's not a promotion just an info), there are AM and FM PLL digital transmitters in kit ham made here in SV land also.AM covers the AM broadcast band (512-1800Khz)with 1khz step,>60db harmonic filtering,pll unlock,antenna output with SO239(VHF)50ohms,swr protection,swr/pwr meter,led for high swr,led for lock,thermal protection etc.Pwr outs 75,150,300 watts. FM covers 88-108Mhz,0-1.5 watts broadband,50khz step from LCD,PLL of course controlled,audio frequency response 50hz-15khz,pre-emphasis(selectable 50,75uS of flat),stability >+/-200hz,harmonic filtering >-50dbc,spurious emissions>-85dbc(pcb's dimensions 13,7cmX12,2cm).I'm not sure if these kits can be seen at www.radiomagazine.com but this is not a serious problem as i can find it out. Chris,SV1DAF. ----- Original Message ----- From: "Brian Carling" <[EMAIL PROTECTED]> To: "Discussion of AM Radio" <amradio@mailman.qth.net> Sent: Sunday, November 14, 2004 6:57 PM Subject: RE: [AMRadio] NPR, one solution for lousy radio
> On 13 Nov 2004 at 21:52, Brett gazdzinski wrote: > > > I got a real nice 1 watt synthesized transmitter with a digital > > frequency readout, nice stereo separation and good fidelity. > > With an outside antenna, it goes blocks, never tried to figure > > out just how far. > > 1 watt with a good antenna should go miles. > > > > I tried cordless headphones, the ramsey stuff, and other FM > > transmitter kits, and the range was lousy. > > I like to wander around while listening, go out back of the house and > > smoke, > > make some tea, etc (plenty of old buzzards on the air!). > > > > The transmitter was about $100.00 but its very well made, and very > > clean. > > Its not a kit, and has a very large heat sink. > > It has no case, just the display mounted on a circuit board, > > you push buttons to change frequency and other options, the back > > of the board holds the heat sink. > > > > There used to be a lot of the same things on ebay, I have not looked > > lately. > > > > A cordless mike with some sort of remote keying of the transmitter would > > be > > cool, > > you could be out mowing the lawn and on the air... > > > > Brett > > N2DTS > > Brett - is this the same thing as the DC Electronics one? > Or who makes it? > > Where do we get one? > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:AMRadio@mailman.qth.net >
