Far Circuits



P C BOARD PROJECT INDEX

1/13/2015

NOTE THE PROJECTS ARE NOT IN THE SAME ORDER AS LISTED BELOW PROJECTS

FROM 73'S AMATEUR RADIO TODAY

ALL THE 73 ARTICLES ARE AT

73 10_91 SUDDEN REC

73 SIMPLE 10M CW TRANSMITTER

73 1 4_90 TS940 MEMORY SELECTOR

73 1_93 CRYSTAL LADDER FILTER

73 1_93 SP-1 TRANSCEIVER

73 1_94 FREQUENCY STANDARD PARTS 1, 2, 3

73 1_94 MICRO IDER

73 1_94 QUAD CHARGER

73 10_90 DUAL VOLTAGE BENCH POWER SUPPLY

73 10_90 DUAL VOLTAGE SUPPLY

73 10_90 MOUSE FET 40 WATT CW RF AM-PLIFIER

73 10_90 VISUAL CW OFFSET INDICAT

73 10_91 10M SIDEBAND TRANSMITTER

73 10_94 AUDIO BANDPASS FILTER RECIEVERS

73 11_00 ADD ON 3 DIGIT VOLTMETER

73 5_92 QRP SIDE COMP73 11_02 BATTERY MONITOR

73 11_87 REPEATER CONTROLLER USING TWO HT’S

73 11_90 FIRE BALL QRP TX

73 11_90 GOOF PROOF REGEN REC

73 11_90 MOUSE FET 40 AMP

73 11_90 SMOKE DETECTOR RECEIVER73 4_91 UNIVERSAL TX

73 11_90 TTL 40M TRANSCEIVER

73 11_91 SIMPLE 10M SIDEBAND AMPIFIER

73 11_93 VOX MOBILE EXTENDER

73 11_93 SOLAR CONTROLLER

73 11_95 gernal purpose wide band preamp

73 12_ 91 Simple TX/TX

73 12_90 AUDIO POWERED TAPE RECO

73 12_91 INSPIRE RECEIVER

73 12_94 SINGLE BAND MAR-X PREAMPLIFIER

73 12_94 SINGLE BAND MAR-X PREAMPLIFIER

73 2_90 HEADSET AND MIKE OREAMP

73 2_90 NR5A 17 METER CONVERTER

73 2_90 SPECTRUM ANALYZER WITH A 555

73 2_91 RADIO DECT TO MICROWAVE RECEIVER

73 2_94 30 MHZ IF PREAMP

73 2_94 ASCII TO MORSE CODE INTERFACE

73 2_99 DUNCAN 40M RECEIVER

73 3_83 fun vac

73 3_94 FOXBOX

73 3_94 FOXBOX

73 4_90 ROBOT ID KEYER

73 4_92 sams1 1750m transverter

73 4_93 TWO_FER

73 4_95 WEATHER SATELITE RECEIVER

73 5_92 copperback keyer

73 5_93 BATTERY WATCHDOG

73 5_93 EXPERIMENTAL POWER SUPPLY

73 5_93 HF RF AMPLIFIER

73 5_94 CARR'S UNIVERSAL VFO

73 5_94 FAST NICD OR NIMH CHARGER

73 5_94 HYPER AUDIO FILTER

73 5_94 QRP KEYING CIRCUIT

73 5_95 CW ON PC

73 5_96 BIOELECTRIFIER

73 6_90 VLF TO 80M CONVERTER

73 6_93 BACK UP BATTERY MONITOR CHARHER ALARM

73 6_93 PORTABLE PACKET DIGIPEATER

73 6_94 MOBILE ON ALARM TIMER

73 6_94 MORSE MESSENGER

73 6_94 MRP4 SOLAR PANEL CONTROLLER

73 6_95 TONE BURST ENCODE DECODE

73 6_97 NICD MAINTENANCE STSREM73

73 7_ 91 LM380 AUDIO AMPLIFIER

73 7_81 FUN XCEIVER

73 7_90 2 METER TRACKING TRANSMITTER

73 7_90 FOXHUNT RADIO DF

73 7_93 UNIVERSAL SPEECH PROCESSOR

73 7_93 DELUXE FUNCTION GENERATOR

73 7_93 EXPANDED DIRECT READING L METER

73 7_94 10 GHZ TRANSMITTER

73 7_94 AM BROADCAST FILTER

73 7_94 DELAY VIDEO TRIGGER FOR OSCILLOSCOPES

73 7_98 CW IDER

73 8_82 SMART SQUELCH FOR SSB

73 8_99 PSK THE MISSING LINK

73 9_90 AGC CIRCUIT

73 9_90 COIL TESTER

73 9_94 1750 transceiver by Curry

COMMUNICATIONS QUARTERLY

1 Com Qrty Spring 91 Gyrator 2

2 COM QRTY SPR 91 1296 CONVERTER

3 COM QRTY WRT 91 UPGRADE 1296 CONVERTER OSC

4 COM QRTY FALL 96 IF AND 80 db LOG AMP FOR SPECTURM ANALYZERS

COM QRTY WINTER’92 MC13135 TRANSMITTER

COM QRTY SPRING 91 HIGH PROFORMANCE 1296 MHZ CONVERTER

COM QRTY WINTER 92 LOGARITHMIC AUDIO SPEECH PROCESSOR

COM QRTY WINTER ’91 MC2388 TRANSMITTER

COM QRTY SUMMER 98 BASIC STAMP PROJECT FOR TENTEC SSB BOAR

COM QRTY WINTER ’98 7 DIGIT FREQ COUNTER BY CARVER

COM QRTY SPRING 98 TEENY TWOER BY LITTLEFIELD

COM QRTY winter 09 nor’easter 6 M AM TRANSCEIVER BY LITTLEFIELD

COM QRTY JULY 02 VARAIBLE OUTPUT/CURRENT LIMITTED REGULATOR

COM QRTY SUM 92 INPROVING THE DRAKETR-7

COM QRTY WIN 94 DELUX QEP STATION BY PERRER

COM QRTY FALL 94 AM SYNCHRONOUS DETECTOR BY PRATHER

COM QRTY TWOER TRX

COM QRTY CARR VLF RECEIVER

QRPp AND QRP QUARTERLY

5 QRP QUARTERY WINTER 2011 DAULTON SESE80 RECEIVER

6 QRP QRTY OCT 91 QSK DIRECT CONVERSION TRANSCEIVER 80M

1 3/95 VE7ZM 75 METER SSB QRP TRANSCEIVER

9/94 EPIPHYTE SIMPLE SSB TRANSCEIVER

3/96 EPIPHYTE 2 75M SSB TRANSCEIVER

9/94 KBE-3 EPIPHYTE

3/96 FORTY-9ER 40M TRANSCEIVER

9/95 DIRECTIONAL WATT METER BY J PEPER

5/96 EPIPHYTE 2 75 M SSB TRANSCEIVER

SUMMER 98 SWITCH CAPACITANCE AUDIO FILTER

6/96 DFD-5 SIMPLE DIGITAL FREQ DISPLAY

12/96 RAINBOW BRIDGE AND TUNNER

WINTER 97 2N2 NORCAL TRANSCEIVER BY KD1JV

SUMMER 97 MX-40 TRANSCEIVER TUNA TIN-2 BY DOUG HENFRICKS

NORCAL HERRING AID 5 RECEIVER

CB SLIDER BY W6TO

9/94 NW 8040 TRANSCEIVER

6/94 OPTIONAL FREQ COUNTER FOR NC40

MOTOROLA APPLICATION NOTES

AR347 COMPACT 1 KW 2-50 MHZ SOLID STATE LINEAR AMPLIFIER

AN-779 LOW DISTORATION 1.6 TO 30 MHZ SSB DRIVER DESIGNS

AN980 VHF FM RECEIVER USING MC3362/MC3363 DUAL CONVERSION RECEIVERS

MC13175/6 UHF FM/AM TRANSMITTER

AN762 LINEAR AMPLIFIERS FOR MOBILE OOERATION

ARS 11/D BIASING SOLID STATE AMPLIFIERS TO LINEAR OPERATION

2.1.8.4E 140 W 12V VHF BROAD AMPIFIER

ARRL HANDBOOK PROJECTS

CHP 25-39 two tone generator1 Same as in 1015 Handbook

CHP 27-5 SIMPLE SWITCHING 5 A POWER SUPPLY

CHP 14-1 100W Z MATCH READOUT

CHP 17-86 NN1G 20 TO 80 M TRANSCEIVER

CHP 24-21 icom/kenwood interfaces

CHP 22-28 SIMPLE 10 MINUTE TIMER USING 4017 AND 555

CHP 25-43 MOSFET DAUL GATE DIP METER2

CHP 28-18 EXPANDED HEADPHONE MIXIER

CHP 28-10 AUDIO AMPLIFIER WITH AGC USING LM386

CHP 30-2 QRP 3 BAND TRANSCEIVER

CHP 22-28 10 MINUTE TIMER

CHP 30-70,71 3Z500 CONTROL AND ACL CIRCUITS

CHP 27 18V 10A PS

CHP 4-18 DIODE TR SW

CHP 2-65 SIMPLE PIN DIODE TR SWITCH

CHP 30 progressive communication receiver

CHP 34-10 PEP READING RF METER

CHP 25-74 RX noise bridge

CHP 29-11 simple cmos keyer

CHP 17-88 HF AMP USING IFR510

CHP 30-26,27 160 M TRANSVERTER

CQ

CQ APR 2015 BROAD BAND COEFFICIENT BRIDGE

CQ JAN 2015 QRP TX/RX TRANSCEIVER

CQ SQPT 90 QRP-15 TRANSCEIVER

CQ MAR 97 60W 6 M AMP

CQ JAN 1996 W1FB 25 W HF AMP

CQ FEB'10 KITCHENS HIGH PERFORMANCE REGEN RECEIVER

CQ 6_03 pixie

CQ BEVERAGE AMP_SW

CQ 2_10 HIGH PROFORMANCE HF REGEN RECEIVER

CQ 8/04 THE SUPER MITE

CQ 4/09 MODERNIZE HM-102 WATTMETER

CQ VHF 8/97 25 AMP MOSFET POWER SUPPLY

CQ JAN1996 W1FB 25W HF AMPUSING MRF475-2CC2092

CQ May 1998 ICOM ANT SWITCH

HAMRADIO PROJECTS

HR MAR 90 SUPER CHARGER WITH 723

HR JULY 89 RF VOLTMETER

HR NOV 87 THUMBWHEEL FREQ SELECTOR FOR FT-757GX

HR OCT 89 DIGI-KEYER

HR JUN 79 AFC FOR VFO

HR MAR 87 TX RX CONVERTER FOR 902

HR JUN 90 PHASOMETER

HR OCT89 VARIAB;E GAIN 16OM PREAMP

HR FEB. 1985 1KW HF AMP

HR RADIO TR7 MODS

HR OCT'80 TRANSCEIVER

HR OCT 85 YAESU CONVERTER

HR APR'89 MULTIBAND SPEECH PROCESSOR

HR AUG'87 BETTER FREQ STABILITY FOR TR7

HR DEC 89 LOW POWER 4 DIGIT SEQUENCE DTMF DECODER

HR NOV_85 75M TRANSCEIVER BY K1BQT

HR JAN_87 COMP 20M TRX

HR JAN 89 NE602 QRP 20M CW TRANSCEIVER

HR JAN 90 QRP TLC KEYER

HR JULY 89 50 MHZ BRIDGE

HR MAY 89 MICROFARAD COUNTER

HR NOV 85 75M TRANSCEIVER BY K1BQT

HR NOV 88 1296 LOW NOISE AMPLIFIER

MOTOROLA REPLACEMENT POWER SPEAKER BOARDS

REPLACE BOARD FOR SLN4244A0001

REPLACE BOARD FOR TLN2435A P1

NUTS AND VOLTS

JAN 1999 NE602 IF BREAD BOARD BY Carr

VHF RECEIVER

GUITAR TUNNER

POPULAR ELECTRONICS

7_67 METAL DETECTOR

1_95 WWV REC

12_71 AudioComp-

9_74 400W STEREO AMP

2_90 TOME BURST GENERATOR

1_01 IN CAP TESTER

1_95 STEP ATTENUATOR

2_02 CAP TESTER

3_94 9 BAND REGEN HF RECEIVER

4_94 PRESELECTOR FOR AM RADIOS

4_95 PRESELECTOR AM BROADCAST RADIO

4_98 DTMF AUTO REDAILER

4_98 POWER LINE MONITOR

5_98 PORTABLE CD STEREO AMP

7_97 DTMF WIRE TESTER\11_90 MAR-1 RF AMP BY J CARR

11_93 DVM ON PC

11_93 GAS DETECTOR

11_95 AUDIO FREQ RESPONSE TESRER

12_71 AUDIO COMPRESSOR

12_95 MMIC AMP USING MAR-6

12_98 ELECTRONIC WEATHER VANE

BREADBOARDS

IC DIP AND SOIC BREADBOARDS

tssop breadboard ALL KINDS IF BREAD BOARDS

HIGH VOLTAGE POWER SUPPLY BOARDS

10K VOLT DIODE BOARD

10KV CAP BD

K1SG 6 KV power supply, 2 board set

5400 V PS

2700 V PS

HEATHKIT BOARDS

heathkit audio hw101

HEATHKIT SB104 NOISE BLANKER

KR4HV STEPSTART AND KEYING for SB200

SB200 POWER SUPPLY BOARD

QEX

QEX Nov 2014 RECEIVING CONVERTER FOR 2 M RADIO ALLOWS COVERAGE FROM 18 TO 74 AND 222-225

QEX 9_13 ESR METER

QEX JAN/FEB 2004 200 WATT HF AMP

QEX NOV/DEC ‘1999 100 WATT HF AMP

QEX NOV/DEC 2010 AN RF PHASE METER

QEX 9_98 REMOTE BANDSWITCH FOR THE BUG CATCHER

QEX 10_96 SIMPLE TR SEPUENCER

QEX 11_01 two meter reflective sp4t pin diode sw

QEX 11_99 100 W MOSFET HF AMP

QEX 11_ 98 FAST DIGITAL OSCILLATOR STABILIZER

QEX 11_07 SAN2PC SPECTRUM ANALYZER TO PC

QEX 1_00 250 MHZ SYNTHESIZER SIGNAL SOURCE

QEX 1_00 SCANNER CONTROLLER FOR VARACTOR TUNED RECEIVERS

QEX 1_01 DATA ACQUISITION FOR COMPUTER

QEX 1_05 10 G WAVEGUIDE PREAMP

QEX 1_08 2256 PLL LOCAL OSCILLATOR

QEX 1_08 SQUELCH AMPLIFIER

QEX 1_99 PAIR 3CX800'S ON 6M

QEX 2_96 FREQUENCY STABILITY FOR LC OSCILLATORS

QEX 3_00 1691 MHZ DOWN CONVERTER FOR WEFAX 8877

QEX 3_04 1296 MHZ OSCILLATOR

QEX 3_93 NO TUNE DRIVER FOR 432 MHZ

QEX 3_99 POWER SUPPLY FOR MOSFET POWER AMPLIFIER

QEX 4_06 UNIVERSAL QRP TRANSMITTER UPDATES

QEX 5_04 100KHZ TO 2 GHZ PREAMP

QEX 5_99 300 W HF MOSFET AMP FOR 50 MHZ

QEX 7_04 DOUBLY BALANCED H-MODE MIXIER FOR HF

QEX 7_93 NO TUNE 222 MHZ TRANSVERTER

QEX 7_95 TERMINATION INSENSITIVE AMPLIFIER

QEX 7_97 DDS VFO

QEX 7_97 VOLTAGE BOOSTER

QEX 7_98 HIGH PERFORMANCE FRACTIONAL N SYNTHEZER

QEX 7_99 DIPLEXER FILTER FOR HF MOSFET RF AMP

QEX 9_00 NARROW BANDPASS FILTER FOR HF AMP

QEX 9_00 VHF REGEN RECEIVER

QEX 9_01 SIMPLE HIGH RESOLUTION DC VOLTMETER

QEX 9_07 DIFFERENTIAL LEVELING MICROPHONE

QST

QST Oct 92 Noise voter

QST SEPT '70 COLLINS QSK

QST JAN 81 Touch tone CONTROLLER for ARECS

QST 2-95 AGC Preamp

QST AUG 15 HEADSET PREAMP

QST 12_92 EXPANDED VOLT METER

QST FEB 2014 10 M BEACON

QST 6_04 DRAKE SYNTHESIZER PROJECT NOTES

QST 1 15 WSPR 30M TRANSMITTER

QST 8 15 audio notch clipper

QST 1 15 HYBRID HF TRANSMITTER

QST 1 15 fIVE WAY REMOTE ANTENNA SW

QST 1 15 15 1.5 KW AMP

QST 3_89 80 METER CONVERTER

QST 9_87 W1FB TUNING DIODE VVC 40M VFO

QST' 6_91 W1FB UNIVERSAL VFO

QST JULY 1_14 IMPROVE THE COLLINS S METER

QST 5_ 03 MODERN GDO GATE DIP OSCILLATOR

QST MAY 1999 RADIO DIRECTION FINDING PROJECT BY WA2EBY

QST 5_94 SABIN NOISE SOURCE

QST OCT 90 6 M BRICK AMP

ST Jan 2013 SDR CONVERTER

QST NOV. 2012 AUTOMATIC MOBILE POWER CONTROL

QST JAN 2011 WATTMETER PROJECT

QST FEB. 2012 RELAY BASED TR SWITCH FOR VINTAGE STATION

QST QST 1_12 BLOOM Transistor tester

QST NOV 09 ROCKLESS ROCKMITE

QST 08-08 Steve Weber MMR40_DB

QST MAR 1994 SPENCER LEAD ACID BATTERY CHARGER

QST 11_94 SPENCER 13V 5A PS

QST 12_94 1w AF AUDIO AMPLIFIER

QST SEPT 1994 SMART CHARGER FOR NICKEL CAD BATTERIES

QST NOV 11 FOUR TONE SSB TESTER

QST NOV 11 KEYING FOR ALS-600 AMPLIFIER

QST NOV.2000 FLEXIBLE DIGITAL MODEL BY MITRENGA

QST APR. 2002 LIGHTING DETECTOR PROJECT BT N2PWP

QST 1_74 TR7 MODS

QST APR_06 NOTES ON THE ARC DETECTOR PROJECT.

QST AUG 2008 _40 m transceiver by KD1JV

QST JUNE 2009 SOUND CARD

QST FEB AND APR 2011 40M TRANSCEIVER

QST 4/08 GEIGER COUNTER BY KITCHENS

QST July 1995 VARIABLE AUDIO FILTER

QST JUNE 2006 CW AUFIO FILTER

QST JUNE ’06 160 M LOOP RECEIVER PREAMP

QST JUNE 96 LED READ OUT FOR SWR POWER METER

QST AUG ’88 160/80 METER RECEIVER PREAMP

QST 9_88 LOW COST MIC PERAMP

QST QST JAN 11 WATTERMETER

QST NOV 10 EXOANDED VOLTMETER FOR 120, OR 240 Vac

QST JUNE 1980 MODS FOR HEATH AND 75S3 NOISE BLANKER

QST 93 R2 RECEIVER and T2 Transmitter

QST 4-93 REMOTELY CONTROLLEDANTENNA SWITCH BY KG7SG

QST 11-93 SIMPLE TWO TONE AUDIO GENERATORQST 04-09 DSP

QST8_88 144_220 amp

QST 4_05 SMITH Ant Sw

QST 5_96 CARVER IF

QST 8-08 AUDIO COMO KEYER INTERFACE

QST 11_94 30_40 TRX

QST 12_94 A SIMPLE 1W AUDIO AMPLIFIER

QST 8_93 V AND F MONITOR

QST 94 30-4- TRX

QST 96 IF System

QST JUNE 80

QST 12_02 eq5+

QST june09 vocal Keyer

QST June 08 ARTICLE

QST Oct 82

QST ’92 ULGY WEEKENDER

QST NOV 1992 DAUL RADIO SPEAKERS

QST5_93 Handi-finder

QST 6/80 HEATHKIT/75S3 NOISE BLANKER

QST_Jun_1980 PEP Wattmeter Modification_H&K__p48-49

PEP Wattmeter-a la Heath_7612030

QST 99 kelley swr meter

QST0797 VOLTAGER BOOSTER

QST 4_79 HW8 QRP RF AMP

QST 6_09 MFJ425 PS FAN CONTROLLER

QST 40A PSU by Spencer G4YNM v2

QST 2’10 KITCHINS REGEN RECEIVER

QST 0508 TAK-40

QST MORE ON UNICOUNTER

QST_Dec05_SUPERPACKER

QST_Jul_1997_p40-43

QST SPECTRUM ANALYZER TO PCsan2pc112d

RADIO TELESCOPE BY DAVE EK

QST Spencer 40 ps

SAT DEC 1987 RX NOISE BRIDGE

QST_Feb_1986 Simple, Effective Receiving Aid, p15-19

QST AUG 73 WB4VVF ACCU-KEYER

SPENCER 40 A POWER SUPPLY

SUPERPACKER

QST UNICOUNTER

QST 11 ’02 N0GSG DSP RADIO DIRECTION FINDER

QST 9_01 VLF ACTIVE AMRAD ANTENNA

QST SEPT 1993 LONG HAUL BATTERY CHARGER

QST 11 .92 ACTIVE ATTENTUATO

QST 2_90 QRP WATTMETER

QST 4_89 W1FB RF FET AMPLIFIERS

QST 4/89 MICROPHONE BOOSTER

QST 5_89 TIME DOMAIN REFLECTOMETER

QST 7_94 aUDIO SWR ADAPTOR

QST 12/91 DESK TOP MICROPHONE

QST NOV 1987 PROGRESSIVE RECEIVER

QST SEPT 1970 COLLINS QSK

2 QRPp

1 3/95 VE7ZM 75 METER SSB QRP TRANSCEIVER

9/94 EPIPHYTE SIMPLE SSB TRANSCEIVER

3/96 EPIPHYTE 2 75M SSB TRANSCEIVER

9/94 KBE-3 EPIPHYTE

3/96 FORTY-9ER 40M TRANSCEIVER

9/95 DIRECTIONAL WATT METER BY J PEPER

5/96 EPIPHYTE 2 75 M SSB TRANSCEIVER

6/98 SWITCH CAPACITANCE AUDIO FILTER

6/96 DFD-5 SIMPLE DIGITAL FREQ DISPLAY

12/96 RAINBOW BRIDGE AND TUNNER

12/97 2N2 NORCAL TRANSCEIVER BY KD1JV

6/97 MX-40 TRANSCEIVER TUNA TIN-2 BY DOUG HENFRICKS

NORCAL HERRING AID 5 RECEIVER

CB SLIDER BY W6TO

9/94 NW 8040 TRANSCEIVER

6/94 OPTIONAL FREQ COUNTER FOR NC40

RADIO FUN PROJECTS

RF 1_92 KEYER

RF 2_92 LIGHT TX RX PAIR

RF 4_92 10M AM TRANSMITTER

RF 8_91 CORNELL HF PREAMP

RF 10_91 10 MINUTE TIMER

RF 91 EL CHEEPO CPO

W1FB QRP CLASSIC PROJECTS

1 W1FB 24MHZ CONVERTER

2 W1FB HW-8 RF AMP

3 W1FB LITTLE JOE TRANSMITTER

4 W1FB NOEPHYTE RECEIVER

5 W1FB QRP CLASSICS 30 METER TRANSMITTER

6 W1FB DSSC GENERATOR

7 W1FB CLASS C 5W AMP

8 W1FB BREAK IN DELAY TR

9 W1FB QSK DIODE TR SWITCH

10 W1FB BFO

11 W1FB CHALLENGER 2

12 W1FB TX EXCITER FOR 30M

13 W1FB PEBBLE CRUSHER 2

14 W1FB UNIVERSAL VFO

15 W1FB SERIES TUNED VFO

16 W1FB S-METER

17 W1FB DIRECT CONVERSION RECEIVER

18 W1FB MMIC AMPLIFIER

19 W1FB BROADBAND AMPLIFIER

20 W1FB VARIABLE AUDIO FILTER

21 W1FB DELEX 5 W TRANSMITTER

W1FB 160 M RECEIVER

W1FB SUPERHET MAINFRAME RECEIVER

W1FB DIRECT CONVERSION RECEIVER

W1FB DIODE TWO BAND CONVERTER

TR-7 MODS

HR AUG 87 BETTER FREQUENCY STABILITY FOR TR7

COMM QUARTERLY TR7 MODS

DRAKE TR RENEWED PROJECT

EVERY THING ELSE, THE GOOD STUFF

K2_digital_interface_II

CROWBAR CIRCUIT

AM BROADCAST transmitter and synthesizer

zs2acp CB TO 6M TRANSVERTER

VK3EM SLA CHARGER V3

6 AND 10 METER SSB TRANSCEIVERFLEXABLE STEPPER MOTOR DRIVE

DDS GENERATOR AND VFO BOARDS USING THE AD8950 DDS MODULE FOR VK5TM AND LU5DJV, INFORMATION ON DVD

DH8BQAAUDIO BREAK OUT BOX BY W2MY/5

BENSOM SW+RIT CIRCUIT

10XB OSC CIRCUITS

DIRECTIONAL COUPLERS/SWR DETECTORS FOR 145 TO 435 BY PA0NHC

RADIO ELECTRONICS 1_91 SHORT RECEIVER

PS-3A 723 POWER SUPPLY

SOWDEN HIGH POWER HARMPNIC FILTER

HARRIS RF382 CONTROLLER

HP141T to COMPUTER INTERFACE

STEVE WEBER SWBC RECEIVERD

TEKTRONICS HORIZAL DRIVE REPLACE BOARD

L7YHF DL4YHF freq_counter

W5USJ MRX-40 SMT RECEIVER

MINIMA-GENERAL COVERAGER TRANSCEIVERYo4hhp.2014/01/22/pcb-for-minima-general-coverage-transceiver/1 DER 40 POWER SUPPLY

1256 MHZ PLL_Kocsis

1 1296 POST AMPNO TUNE BY McINTIRE

2 136 KHZ BEACON TRANSMITTER

2304 MHZ IMFET AMPLIFIER

600 w MRF150 AMP AND HARMONIC FILTER BY SOWDER

75 W 432 LINEAR AMPLIFIER

1 78Lxx/ 78xx REGULATOR CIRCUITS.

2 AA10A090 25 w audio amp by John Keith

AN762 APP NOTE

ANDY MITZ ONE REANSISTOR RADIO

ARRL CODE PRACTICE OSC

ASTRON PS15D101 AND PS15D103 BOARDS, PS15C221 AND PS15C222, MC-20A-1

AUTO SW REC BANDPASS FILTER

BIX14MHZ SSB 14 MHZ TRANSCEIVER

2 Boards from John Keith ,Astron rebuild board set PS15D122

BRADY 1 WIRE BAROMETER PROJECT

BRAY BAROMETER

1 CARL SHOEMAKE AK20 COR BOARD

CICCHINELLI SINGLE BOARD LOGIC ANALYZER

ComClone2 PROJECT

CORNELL VLFREGEN PERAMP

DAVE KELLY CCD ANTENNA

DENTRON GLA100O

DENTRON MLA-2500 CAP BOARD

DETRON TU-6B TUNED INPUT BOARD BY WD7S

DGPS RECEIVER

3 DIGITAL LED wattmeter

DOPPLER TO APRS INTERFACE BY K0OV

4 Drake TR-7 RENEWED PROJECTS

DYNACO SCA-35 CAP BOARD

EK CIRCLE SETTINGS PROJECTS

EL 40A1 400W ELECTRONIC LOAD

ELECTOR DIGITAL WATT METER WITH LCD DISPLAY, 1KHC TO 1GHZ, INPUT SENSITIVITY 1 NANOW TO 1 WATT

ELECTRONICS AUSTRALIA NOISE AND DISTORTION METER

1 ELECTRONICS NOW FEB ’97 NE602 BREAD BOARD BY CARR

3 ELEKTOR LITHUM BATTERY CHARGER

FLEA_49M MINIMALIST TRANSCEIVER

1 FT707 POWER SUPPLY BOARD

2 FUNCUBE UPCONVERTER

G4CLT TRANSCEIVER

3 GLA 1000 TUNED INPUT

4 GREENE VLF RECEIVER

Gyrator III VLF RECEIVER BY STOKES

HAGEMAN AIRCRAFT RECEIVER PROJECT

HANSEN TRIODE AMP CONTROLLER PROJECT

5 HEATH KIT SB104 NOISE BLANKER

HEATHKIY HW101 REPLACEMENT AUDIO BOARD

HOME POWER 9_01 CONVERTING FLASHLIGHT TO LEDs

HRPT PDUS CHRPT DECODER

6 JOHN KEITH 25 WATT AUDIO AMP AA-10A-1

K0OV WIDE RANGE DOPPLER ANT SW

K6EIL IMPROVER NEOPHYTE RECEIVER

K6XX TUNING INDICATOR

K9AY 160 M LOOK ANTENNA SITCH AND AMPLIFIER

KA8PHO 3 DIGIT VOLT METER PROJECT

KD2BD ATV AM VIDEO MODULATOR

KI0AG MICRO DUPLEXED

KR5L CW ZERO BEAR DETECTOR

MODEL ROCKET ALTIM

7 ModMon - WB0SPM v1r6_Remote_Pick-Up

MOELL DF ANTENNA SWITCH

8 MOELL DOPPLER DF 3

MOELL OFFSET ATTENTUATOR

N&V AUG08 VHF RECEIVER

N0SS BROADBAND HF NOISE GENERATOR

9 NR4C- 6 POSITION POWER POLE

2 PAUL DAULTON SESE-80 80 METER SSB RECEIVER

PHILLIPS AN1996 DEMODULATING AT 17_7 WITH SA605

PRACTICAL WIRELESS FAX TUNING AID

QRP CLASSICS TWIN QRP-QRO

QRPp 15-20W LINEAR HF AMP

RANDY HENDERSON TRANSCEICER

3 Six Position Antenna Switch Control project

SM0VPO AUDIO AMPLIFIER

SM0VPO 10 HF AMPLIFIER

SPENCER SATELITE TRACKER USING PIC116F688

SPENCER SATELITE TRACKER USING PIC116F688

SSM2165 MIC PREAMP AND COMPRESSOR-1

STEVE WEBER FAIRLY SIMPLE 75M SSB RIG WITH PTT

Steve Weber PSK v2 transceiver

SUFFOLK 144 TRANSVERTER

SUFFOLK 144 TRANSVERTER

1 TDA AUDIO AMPLIFIERPROJECT

TED LEE GI7B UPDATES

2 TOMI ENGDAHI TIME DOMAIN REFLECTOMETER KIT

1 TS930 REPLACEMENT POWER SUPPLY BY VK4AMZ

TTT8-StepbyStep_PDF

ULTRA SIMPLE 6M RECEIVER

1 VE2EMM DF projects

VE2ZAZ 1269 TX CONVETER

VE3DNL CRYSTAL CALIBERATOR

VE3DNL CRYSTAL CALIBRATOR

VHF WEATHER SATELLITE RECEIVER

W1FB BC-BAND DX RECEIVER

W1FB THREE ANT SWITCH

2 W4TZ tuned input filter

WA2DJN UNIVERSAL POWER SUPPLY

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