replacing the RX filter with a balun on the c139

Joshua Lackey jl at thre.at
Fri May 27 02:26:33 UTC 2011


Quoting 246tnt at gmail.com (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)

I've been using a merge of your quadband and your burst_ind branches.


> 
> 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.

Ah, thanks for the tip.  My local tower only has GSM850 channels so
I haven't noticed a problem.  I'll make that change though on my local
branch.






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