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82169

Re: A bit of guidance please!

Original Message ----- Subject: [softrock40] Re: A bit of guidance please! ... Phil, My page here gives approximate levels
Alan
11:08 AM
#82169
 
82168

Re: A bit of guidance please!

Hi Alan, thanks, I somehow managed to blow Q3 the PTT PNP transistor, maybe during testing, or maybe I overcooked it when I soldered it in. Anyway I replaced
f4hnd
9:06 AM
#82168
 
82167

Re: RX OpAmps worng voltages

Alan, for me it is 7 pm ) need to return to the family ))) You`re 146% right - the wrong voltage was provided by a not cut piece of #30 wire of the T5 pins
fte_uw
May 23
#82167
 
82166

Re: RX OpAmps worng voltages

Original Message ----- Subject: [softrock40] RX OpAmps worng voltages Andrey, Dinner time:) But before I go look at R61/62 they should set pins 3, 5 at 2V5 so
Alan
May 23
#82166
 
82165

RX OpAmps worng voltages

Hi, it`s me again. (RxTx Ensemle building) I`ve moved to Rx OpAmps voltage test and getting voltages at the LT6231, different from the guide: 1 pin - 5.03 2
fte_uw
May 23
#82165
 
82164

prevent hair loss (howzz it done)

prevent hair loss (howzz it done) http://howzzitdone.blogspot.com/2015/05/prevent-hair-loss-howzz-it-done.html
ashish_1985_20
May 22
#82164
 
82163

Re: Si570 suddenly lost communication with ATiny - LP2992 issue?

Guys, thanks for your replies, they helped me a lot. Today I have bought and replaced a faulty LP2992AIM5-3.3 and the Si570 became available in CFGSR, 3.3V has
fte_uw
May 22
#82163
 
82162

Re: Softrock RXTX 80/40 and HR 50 amp for sale.

I have a perfectly working SR RX/TX (built by Tony) 80 and 40 meters...AND a HR 50 built by me all works perfect for sale. Pleas inquire off line. Thanks, Lee
lbs983405
May 22
#82162
 
82161

Re: A bit of guidance please!

Original Message ----- Subject: [softrock40] A bit of guidance please! ... Phil, There is also IQout http://www.m0kgk.co.uk/sdr/download.php to produce an IQ
Alan
May 21
#82161
 
82160

Re: Si570 suddenly lost communication with ATiny - LP2992 issue?

Original Message ----- Subject: [softrock40] Si570 suddenly lost communication with ATiny - LP2992 issue? ... Andrey, This has been know to fail. There have
Alan
May 21
#82160
 
82159

Re: A bit of guidance please!

Original Message ----- Subject: [softrock40] A bit of guidance please! ... Phil, HDSDR produces the IQ signals to drive the Ensemble. You may send a mono
Alan
May 21
#82159
 
82158

Re: Si570 suddenly lost communication with ATiny - LP2992 issue?

... The /NOPB means no lead is used in the component, for compliance with European RoHS (Removal of Hazardous Substances) regulations. Most manufacturers have
Shirley Márquez Dúlcey
May 21
#82158
 
82157

A bit of guidance please!

Hi all, I am also building an RXTX ensemble, 20,30,40M, and all is well, the board is finished and I have been receiving with no problem. I have tested the
f4hnd
May 21
#82157
 
82156

Re: Si570 suddenly lost communication with ATiny - LP2992 issue?

NOPB may be a designation for Lead free (no Pb) to conform with RoHS requirements. Brian KE6IYC
Brian Gieryk
May 21
#82156
 
82155

Re: Si570 suddenly lost communication with ATiny - LP2992 issue?

If there is no short .. and the output is .92V and the input is still 5V .. guess the regulator has gone bad .. that sucks. ... -- Mike KC7NOA
Mike
May 21
#82155
 
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