Hey Lyle, I am not sure if you remeber me from the LowFer days when I was A3O?... Anyways are you using PowerSDR as the "software" to drive the printer port? I just got my Softrock rx/tx 6.2 Xmitting on 160 meters thru my Alpha 76 I am seeing 70 watts!
Thanks Mike --- "Lyle Koehler, K0LR" <[EMAIL PROTECTED]> wrote: > I'm happy to report that my Lite+Xtall v8.3 receiver > kit is up and > running, both with the 12F683 on-board controller > and with a > "modification" to allow parallel-port control. > Actually no > modification to the v8.3 board is required -- the > parallel-port > control interface is on an 8-pin header that gets > plugged into the > socket in place of the 12F683. In addition to the > header, the only > components required are two FETs and a DB25 > connector. A schematic of > the interface is included in Guido's PowerSDR-sr40 > Installation Manual > (http://powersdr-sr40.sourceforge.net/). I used > 2N7000 transistors in > place of the BS170 parts shown in Guido's diagram. > The 10k pullup > resistors R1 and R2 are not required, because there > are already > pullups on the v8.3 board. Here is a verbal > description of the > interface wiring which will have to suffice until I > get around to > posting a diagram to the Files section. > > The source leads of both FETs are tied to ground > (pin 8 of the > header). One FET has its drain connected to pin 2 of > the header and > its gate going to pin 3 of the DB25 connector. The > other FET has its > drain connected to pin 3 of the header and the gate > tied to pin 2 of > the DB25 connector. Pins 12, 13 and 25 of the DB25 > connector are > connected to pin 8 of the header. > > With the 80/40 BPF filter board plugged into the > v8.3, I'm able to > listen anywhere on 80 or 40 and to everything in > between, using > PowerSDR-sr40. In addition, I can check WWV at 10 > MHz or listen to the > stronger AM broadcast stations. So far the 80/40 BPF > is the only one > I've completed, but conditions on all the bands are > lousy today anyway1 > > Lyle, K0LR > >
