Buck Rogers K4ABT User's Guide

The HANDBOOK of HAM RADIO Sound Card to Transceiver Interface Schematics “For use with PSK31, MFSK16, WSJT, SSTV, Hellschreiber, PACKET, and CW app

VISIT: www.BUXcommco.com 10Sound Card "LINE OUT""RED WIRE"Sound Card "LINE IN"TIPBucK4ABT"WHITE WIRE"Shiel

VISIT: www.BUXcommco.com 11Sound Card "LINE OUT""RED WIRE"Sound Card "LINE IN"TIPBucK4ABT"WHITE WIRE"Shiel

VISIT: www.BUXcommco.com 12PSK31 Operating Hints and Tips: One of the best beginner (and veteran use) PSK31 programs is WinPSK by Moe Wheatley AE

VISIT: www.BUXcommco.com 13AFTER YOUR RASCAL INTERFACE IS CONNECTED;… PLEASE READ THIS DOCUMENT! With PSK31, the first thing I do is set my tr

VISIT: www.BUXcommco.com 15PLEASE READ THIS DOCUMENT! Before we get into actually using it, we must make sure the Volume Control is configured to

VISIT: www.BUXcommco.com 17Addendum “A” Building an interface for PSK31 and SSTVBuilding an interface for PSK31 and SSTV By By Buck Rogers, Buc

VISIT: www.BUXcommco.com 18THE CAVEATS!!! : Without beating a subject to bits... and bytes, I want to drive home a simple statement, and request.

VISIT: www.BUXcommco.com 19UNDERSTANDING DIODE MARKINGS AND INSTALLATION: SYMBOL PICTORIAL To help you fully understand and identify the markin

VISIT: www.BUXcommco.com 20 There's always that one final little 'knat-bite' that is the ''got'cha'' for m

VISIT: www.BUXcommco.com 21NOTES: PC board is available at; www.BUXcommco.com • PTT minus (-) may be same as “bare-wire” connection. • *Refe

VISIT: www.BuxHamRadioStore.com2 Reproduction or use, without express permission, of this document, editorial and/or pictorial content, in any manne

VISIT: www.BUXcommco.com 22 • (LEFT) Next we drill the interface cable exit • (RIGHT) Once the 3/8 inch hole is made, a pair of dikes can ope

VISIT: www.BUXcommco.com 23Fine Tuning, or initial receive and transmit adjustments: Let’s make the initial adjustments to the RASCAL™ interface

WinPSK User GuideVer. 2.10byMoe Wheatley, [email protected]

7/27/01 Moe Wheatley, AE4JY 2Table Of contents1. GETTING STARTED ...

7/27/01 Moe Wheatley, AE4JY 31. Getting Started1.1. IntroductionPSK31 is an amateur radio communications mode introduced by Peter Martinez, G3PLX, t

7/27/01 Moe Wheatley, AE4JY 4Here is a properly tuned in BPSK signal. Note the vertical vector view and that the dottedcursor is at the peak of the

7/27/01 Moe Wheatley, AE4JY 52. Hardware Interface SetupIf your computer is already setup for using one of the other PSK31 programs, then you should

7/27/01 Moe Wheatley, AE4JY 62.2. PTT InterfaceOne can use their radio's VOX control for PTT(be careful because other Windows programs maycreat

7/27/01 Moe Wheatley, AE4JY 73. Program SetupBefore going on the air, you should enter your call sign using the "Settings" -- "Genera

7/27/01 Moe Wheatley, AE4JY 8You should now be able to start receiving PSK31 signals from off the air. Use one of the spectrumsignal displays and j

VISIT: www.BuxHamRadioStore.com3What is PSK31? The software that implements PSK31 with a Windows PC and soundcard is a program written and developed

7/27/01 Moe Wheatley, AE4JY 94. WinPSK ReferenceThis section contains a detailed description of all the WinPSK features and controls.4.1. Main Scree

7/27/01 Moe Wheatley, AE4JY 104.2. Menu Items4.2.1. File MenuThis menu is used to exit or to save off the current receive window text as a *.txt fil

7/27/01 Moe Wheatley, AE4JY 114.2.4. Wave File SetupThis menu allows the user to specify the data source for the PSK31 decoder and/or the destinatio

7/27/01 Moe Wheatley, AE4JY 124.2.5.1. General Setup4.2.5.1.1. User Call SignThe user's ham call sign should be entered in the edit box. It is

7/27/01 Moe Wheatley, AE4JY 134.2.5.1.7. Squelch SpeedThis control allows the user to adjust how fast the Squelch control responds. The bigger the

7/27/01 Moe Wheatley, AE4JY 144.2.5.2. Rx Level AdjustActivates your sound card's mixer setting program. In Windows 98 this will bring up the

7/27/01 Moe Wheatley, AE4JY 154.2.5.4.2. Transmit Text FontThe following dialog is used to select the font and color for text that has yet to be tra

7/27/01 Moe Wheatley, AE4JY 164.2.5.4.4. Background colorsBoth the receive text window and transmit text window's background color can be selec

7/27/01 Moe Wheatley, AE4JY 174.3. PSK31 Receiver Controls4.3.1. Receive Text WindowThis edit box is used to display PSK31 text as it is received an

7/27/01 Moe Wheatley, AE4JY 18within most of the audio bandwidth of the receiver. The 10 vertical gradient lines on the screen eachrepresent 10 dB s

VISIT: www.BuxHamRadioStore.com4Some of the frequencies where you may find PSK31 activity are:

7/27/01 Moe Wheatley, AE4JY 194.3.2.3. Vector ViewThe superimposed vector view is useful for determining if a signal is a PSK31 signal and what mode

7/27/01 Moe Wheatley, AE4JY 204.3.2.4. Input ViewThe Input view is a scope like view of the raw input signal. The vertical axis is amplitude and the

7/27/01 Moe Wheatley, AE4JY 21typing in a new frequency, the new number will not take affect until the cursor has moved out of the editbox by clicki

7/27/01 Moe Wheatley, AE4JY 22BPSK---Binary PSK mode that does not have forward error correction but is probably the mostcommon mode on the bands.

7/27/01 Moe Wheatley, AE4JY 234.4. PSK31 Transmit Controls4.4.1. Transmit Text WindowThe transmit edit box is where text is typed, pasted, or dragge

7/27/01 Moe Wheatley, AE4JY 24The Tx Offset mode is useful for transceivers that may have an offset of several Hz between thetransmit and receive fr

7/27/01 Moe Wheatley, AE4JY 25Window and it will automatically be placed in the Their Name Box. . The way the program distinguishes acall sign from

7/27/01 Moe Wheatley, AE4JY 264.4.6.1. Macro SetupThe following menu pops up if you RIGHT-Click the mouse on the macro button you wish to examineor

7/27/01 Moe Wheatley, AE4JY 27transmission. If not in the transmit mode, you must activate the PTT button(F12) to start the texttransmission or use

7/27/01 Moe Wheatley, AE4JY 280 20 40 60 80 100 120 140 160 180 200908070605040302010010-40dB IMD PSK31 Idle SignalHzPowerThis works well with a str

VISIT: www.BuxHamRadioStore.com5AND, IT’S ALMOST FREE: When the prospective PSK31 user discovers PSK31 for the first time, a look of both extreme ple

7/27/01 Moe Wheatley, AE4JY 294.6. Tool BarThis tool bar, which can be hidden using the view menu item, contains tools for copying, cutting, andpast

7/27/01 Moe Wheatley, AE4JY 305. Operation Hints and TipsThe best way to get familiar with WinPSK is to start playing with it and clicking away on t

7/27/01 Moe Wheatley, AE4JY 316. Known ProblemsThe AFC sometimes does not lock precisely on frequency. This seems to happen on signals thatare dist

VISIT: www.BUXcommco.com 25 References: Several sources are available on the WEB that give more details and information on PSK31. BUX CommCo has

VISIT: www.BUXcommco.com 6PSK31 & SSTV SCHEMATIC AND DIAGRAMS SECTION: “Drawings and Illustrations are in alphabetical order by radio/transcei

VISIT: www.BUXcommco.com 7 Sound Card "LINE OUT""RED WIRE"Sound Card "LINE IN"TIPBucK4ABT"WHITE WIRE"Shi

VISIT: www.BUXcommco.com 8Sound Card "LINE OUT""RED WIRE"Sound Card "LINE IN"TIPBucK4ABT"WHITE WIRE"Shield

VISIT: www.BUXcommco.com 9Another consideration that influenced my choice of MOSFET was the amount of PTT “Drain” (sink) current (ID) be handled b