replacing the RX filter with a balun on the c139

[246tnt at gmail.com]

> You can find a picture of what I'm looking at here:
> http://thre.at/c139/c139rxfilters.jpg . I've placed the c139 schematics
> in that directory as well, http://thre.at/c139 .

As a side note, you should use the quadband branch (soon to be merged) and  
replace (in board/compal/rffe_dualband.c)

uint32_t rffe_get_rx_ports(void)
{
return (1 << PORT_LO) | (1 << PORT_DCS1800);
}

by

uint32_t rffe_get_rx_ports(void)
{
return (1 << PORT_LO) | (1 << PORT_PCS1900);
}

because the hi band input is plugged to the PCS port of rita and not DCS  
port.

Cheers,

Sylvain
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