Messages & Notes From
ARRLHBC

10 Watt Amplifier Ready to Go
TAK-40 and 10W amplifier: parts available
10W AMP Built
10W PA Amplifier for TAK-40
#1103
20M problem
#22 teflon wire
25 mA bias rides again
2nd Amp Kit Status ... Just 4 more!!!
2nd Amp Kit Status ... Just 4 more!!!
How accurate is the FWD/REF power bridge on the 2nd run amp?
2nd run amp construction pics
2nd Run HBC Amp Questions
2nd Run HBC Amp Teflon Wire?
2nd run of amp
2nd Run of kits
3 Dollar & 4 Cent S-Meter
3 Questions
40M SSB Kit?
4MHz resonator source?
5 Band 50 Watt amplifier
5-Band WA2EUJ Run 2 Amplifier Questions
5-Pos Rotary Switch
5 Watt Driver Rev B
50 AMP Kit Extra's
Fwd: 50 W Linear Amp PCB and KITS
50 watt amp 2nd run...I'm in!
50 watt amp additional parts question
50 Watt Amp Kits 2nd run Invoices
50 Watt Amp Kits Status
50 Watt Amp - Order Commitments
50 Watt Amp Ordering Window
50 Watt amplifier details
50 watt enclosure idea
50 Watt kit for sale - no time to build ;(
500 mw driver requirements
50A second run VR1-4 adjustment
50W 5 Band Amp
50W 5band - Meter input on display board
50W Amp-2nd Run Transformer Winding Question
50W Amp 470 ohm resistor
50W Amp 80m output only 20W w/5W input
50w Amp: Board + parts: status please
50W amp build notes
50W Amp Construction
50W Amp Filters and Harmonics
50w amp first run bias question
50W Amp Group Buy Status
50W amp - heat of mosfets
50W Amp - High SWR into amp
WA2EUJ Multiband 50W Amp kits 2nd run
50W Amp Kits Status
50W AMP ORDER FORM
50W Amp part substitution
50W Amp Parts Kits and PCB's
50W Amp Q10
50W Amp Transformer/Coil Details, (A new question!)
50W Amp Transformer/Coil Details, (A new question!)
50W Heatsink Ideas
50w multiband amp run 1 question
52 on a T-50-2?
6m SWR modification
74AC125 vs 74HC125
80M version of the MMR-40
A 863-MV209G replacement?
A lone voice whining in the wilderness
A newbie!
abakuscom store
AD-9851 for sale
added photos
Adding a meter?
Adjusting DC Bias Problem - Especially Q2
All band TAK-40
Almost finished to solder and have questions (2nd Run 50W Linear)
Ammeter questions
Amp all done, any gotchas as far as operation?
Amp bias question
Amp Building
amp construction complete - activation and check out question
Amp Enclosure
>> Yahoo Group Login & General Comments <
Amp progress and bias adjustments
Amp rev 2 Transformer Help
Amp testing and setup procedure?
Amp Won't Power Up For Alignment
Amplifier, was My Intro - N9PUZ
HBC III...and the winner is...
And, while we're on the subject of parts - LCD-111
Another counter
Another couple of questions on the kit
ANOTHER NEW LURKER
Another new member
Another PTT switching question amp
Another PTT switching question amp
Another QRP Design...
Anyone still building?
New file uploaded to ARRLHBC
ARRLHBC help
..: [ARRLHBC ] HR50 serial number
ARRL HBC at Dayton this weekend
ATTENTION 10W AMP BETA BUILDERS
Out with the QSk and in with the ATU
ATU's are available for pre-order!
Auto band switching with the FT-817
Auto-tuner discussion
Available boards for TAK-40??
AVR vs PIC processors.
Bad connection? Help reading 2nd run amp schematic...
Balancing the Multiband Kit Amp
Auto band switching with the FT-817
Auto band switching with the FT-817
Bands covered
Barebones Drive Kit w/Original 50W Amp? 80m Power
Still stuck setting BFO -- help?
WA2EUJ 50W 5-BAND AMP #2 bias current
Bias Won't Adjust [1 Attachment]
Bipolar amplifier question
The Birdies Have Left The Building!!!
BNC Input to HR50
Board Versions?
BOM Cost
Bootloader 24X1.asm??
Bootloader Com Port Error
Bootloader, software, firmware, etc.
Bringing up the TAK
Building confusion.
call sign for hardrock 50
Callsign Change
Can we just use a T/R relay????
Cannot find source for MV209 tuning diodes
Caps are missing on my amp PCB board
Celsius v/s Farenheit
Certified Pre-owned HR50s
Chalk another TAK-40 as working and on-air...
Cheap rotary encoders
TAK-40, 10W PA CIRCUIT BOARDS; WINDOW CLOSED. ALL EXTRA PCBs COMMITTED
Circuit boards for ARRLHBC entries
Circuit description
Class A or not to Class A
Coax? (board to board)
Completed TAK-40
Component duplication on the TAK-40 PA board
Component replacement
Computer lock up when using amp on 20 meters
Construction Alert
COR Circuit troubleshooting question
COR/PTT board troubleshooting
CPU Heatsink
TAK-40 filter crystal filter specification
ARRL HBC at Dayton this weekend
TAK-40 DDS-60 Modifications
DDS Math
DDS Mod - Purpose of R1?
DDS60 Hex
Debugging 2nd run amp
Decrease in Power of HR-50
Delay in PTT key-up in version 1.4D
New Amp Design
Did you see Jim's new photos?
Digital Board Schematic Error?
Digital Board Artwork
Digital Board Schematic Error?
$10 Digital Dial now shipping
Disappointed
Documentation errors
Don't scrape the resistors!!!!
Doug's frequency counter
Drilling template for WA2EUJ PC Board
Drive power
Driver Amp schematic
Driver on the air
DSP-610
DSP-610 Display Board
DSP-610 in QST!
DSP-610/OBPA Questions
DSP-610/OBPA Questions
DSP-610 Question Coments
Dsp-610 T1 & T5
DSS-60 power-up
dumb drive level question
DXCC with the TAK-40
Hammond Enclosure 1455T1601 vs 1455T2201
Encoder Review...
Optical Encoders for $5
errors on boards and schematics
ESD bags
ESD Concerns When Handling the IC DIPs?
Everything is going well with the amp now, just a couple of minor questions....
Extra
F6DFZ 50W PA
Fans
FAR Circuits TAK-40 Board Pictures
File - Welcome
files problem
Finally - ARRL HBC 1
Finally back at the 2nd run 50 watt amp......couple of questions
Finally putting the finishing touches on my 2nd run amp!
Finally started 50W amp
Version 3 Firmware
Firmware 1.5A
Firmware 2.1c - response time adjustment for HR50 under CR mode
First Post
First QSOs with the WA2EUJ PA
First Run pictures and Automatic Band Data PCB
Hi
T3
Flex 1500 Auto Band Switching
For sale Hardrock PA driver 10W
FreePCB Instructions
FreePCB Was Wanting gEDA Symbols...
Frequency range for WA2EUJ 50 amp ver 2
Front panel display and switches (long story)
Front panel display and switchs (short story)
HD-50 Front panel PCB Q102
FS: some surplus PCBs and parts (TAK-40, 50W amp)
FS: TAK40 PCB + Parts
FS: WA2EUJ "RUN 2" PCB, PARTS, Etc.
Further on the COR
Further Tests
Future HBC Topics
... Future Purchaser\Builder Of A Hardrock-50 Amplifier ...
Fw: Prototype
Fwd: 50 W Linear Amp PCB and KITS
Fwd: Auto-tuner discussion
Fwd: Next Run of the PCB's
Generic Parts
Getting the right answers
Good news and bad news
Good news and bad news
Got my kit today!
Got my paypal invoice for the amp 2nd run!
Great Support
Greetings
Hammond Enclosure 1455T1601 vs 1455T2201
Hardrock 50 #1139 up and running
hardrock 50 amp build
hardrock 50 amp builders wuestion
Hardrock 50 Amp For Sale
Hardrock-50 Amp Kit - Price Point
Hardrock-50 Amplifier Comment
Hardrock 50 and Radio FOR SALE
Hardrock-50 and the KX3
Hardrock 50 assembly so far
Hardrock-50 ATU, last chance for pre-order pricing!
HARDROCK-50 ATU Prototype Demo Video
Hardrock 50 Complete (with questions)
Hardrock 50 Driver questions
Hardrock-50 Driver will be available.
Hardrock 50 Firmware?
HARDROCK-50 Group Buy Availability
Hardrock-50 Menu
Hardrock 50 missing caps?
Hardrock-50 PA price increase coming soon!
Hardrock 50 PO confirm
Hardrock 50 - product review
Hardrock-50 QSK Board Kit
Hardrock-50 Rev F (S/N 1200 and up) Test Results
Hardrock-50 Rev F (S/N 1200 and up) Test Results - proposed ATU
Hardrock-50 sn# 1129 finally ready for output testing
Hardrock-50 Status and Pricing
Hardrock-50 Tets Firmware
Hardrock-50 Trouble Shooting Help Needed
Hardrock 50: Unsuccessfully loaded Firmware 1.5D
HARDROCK-50 Version 1.5B Firmware (Band Switching)
HARDROCK AMP KIT DRILL BIT SIZE
Hardrock Amp No 13.8 at the regulator so no 5 volts out!
Hardrock L3 SMD
Hardrock s/n 1102 - ready to go on the air
Hardrock50 IMD results
Hardware size for mounting board and transistors to heat sink?
HBC III...and the winner is...
HBC II Winners Announced:
HBC III...and the winner is...
HBC III...and the winner is...
HD-50 Front panel PCB Q102
Heat problem on WA2EBY
HR-50 heatsink temperature in Celsius instead of Fahrenheit
Heatsink Drilling Issues
Heatsink mounting
HEDS-5600 optical encoder
hello from VR2
Hello all
Hello de wm1l
Hello Everyone
Hello to Group
Hello to the group!
TAK-40 Help?
Help Appreciated with Mystery Signal Generator
Help! Hardrock 50
Help!!! I think I've done something to my HBC amp SUCCESS!!!!!!
Help!!! I think I've done something to my HBC amp... C48???
Help!!! I think I've done something to my HBC amp SUCCESS!!!!!!
Help me understand the PCB versions
Help with Ser# 1103 Hardrock 50
Help with transformers for 50 watt amp ???
Hi - new to the group (and TAK-40 PCB availability?)
Hobby PCB
HobbyPCB
HobbyPCB board
HobbyPCB out of stock?
hobbypcb site
HobbyPCB Website
Hole is too small!
homebrew $50 rig
what ever happened to Homebrew Challenge #3?
Homebrew Challenge III - Photo's Posted
How accurate is the FWD/REF power bridge on the 2nd run amp?
How do I link the bootloader and the user code?
How hard would it be to add LED band indicators to the amp?
how many twists per inch for bifilar windings
How much DC Input Power is Req for HR 50?
How to get a HR-50
How to order the barebones kit
HR 50 Driver board
HR-50 heatsink temperature in Celsius instead of Fahrenheit
HR-50 Help Needed
HR-50 LOCKUP ON 6 METERS
HR-50 Options
HR-50: Out of date driver instructions?
HR-50 Tuner status
HR50 #1183 Report
HR50 6M input SWR
HR50 Amp discussion. was Hardrock-50 Test Results
HR50 - Amp_In Connector part number?
HR50 Arrived but not going to plan
HR50 ATU Photos
HR50 Internal Tuner Status
HR50 Internal Tuner Status and new request
HR50 + KX3 issues
HR50 Low Output on 17 thru 6
HR50 serial number
HR50-swapping out L1-L4?
HRD-50 Tuner Ideas
I am a new member
I'm back Jim!
I HAVE A NEW PURPOSE IN LIFE!
I Hope I'm Not Mis-reading
I need to buy a WA2EUJ Multiband 50W Amp PCB
I think I let the smoke out of my HR50...
I wish the TAK-40 was as good as a Heathkit
I would like to build this radio but?
IC Sockets on TAK-40 board
IC Sockets on TAK-40 board/DDS Mod
Ideas for audio amplifiers
¡Hola!
IF Board up and running.... sorta
IF Board toroid winding?
IF Board up and running.... sorta
Improving TAK-40 VFO Stability
In circuit progamming
Interconnect boards using computer cables?
Interconnect Cables
Interconnect terminals
Interest in display adapters?
New member introduction
Intro and o-scope question
Intro - Antenna Tuner
New member introduction
Is anyone considering a run of boards for the The MMR-40 Transceiver.
It's Alive!!!!!!! 9 Band 50W Amplifier
It's Alive!!!!!!! 9 Band 50W Amplifier
It's DEAD!!!
J101A problem
Jim on Vacation
Jim WA2EUJ 50W Amp( first run)
johnschnupp's photos of his enclosure
Joined group yesterday
Joining Group
Joining the Group
just how much
K0DKT photos
K9TEN Introduction
KB2OMM: 50W amp connection to MOBO via I2C?
KB9VKE on TAK40
KB9VKE TAK40 receives
KD8DFL V2.1 boards
KD8DFL boards
KD8DFL ECO - was: PCB 1.0 Question with L203/R203
KD8DFL TAK-40 PCB'S
KD8DFL V2.1 boards
ki4ezc fred / new to group
kindly help in making a simple sdr receiver for uhf 462.5-462.7mhz...
Kit and PCB Order Status
My kit has arrived
Kit order
2nd Amp Kit Status ... Just 4 more!!!
kits and parts for sale
Kudos
KX3 and HR-50 auto Band change
KX3 + HR50 but won't connecct to HRD
KX3/HR50 cable
L1 - L5 Toroid Values *** Joel Black ***
L401, L402
L401 winding and connections question
Last Chance For Group Buy Prices
Latest info for V1.2 boards
LCD-111
LCD 16x2
LCD Display and front panel switches
LCD Problem
LED Meter Mod and COR
LED polarity--50W Multiband Amp
LED polarity--50W Multiband Amp
Low output on 20M and 30M
Low Power Out on Multiple Bands
Low Power Out on Multiple Bands
Mac compatability
magnet wire
Making a current BOM list
Making a more powerful version of the WA2EUJ HBC amp?
Making connectors - part 2
Making jumpers to go between headers
Max battery voltage
Meter Settings
Meters Wobbling??
Minimalist QRP Contest
Missing TAK_FREQ.asm file
Mixers Oscillators and Resonators Oh My
MMR-40 IRF510a replacement?
MMR40 Parts List
More 50W Amp construction pictures uploaded
More about myself
More info on the PTT delay.
MPLAB PIC Tip
MPLAB question for TAK-40
MPLAB (was Programming TAK-40 for DSS-60 use)
Msg for Jim V. WA2EUJ
MV209 is Obsolete
My assembly of the Hardrock 50.
My BFO setup
My email got hacked
My Hardrock Building Notes Part 2
My HR-50 has arrived!
My HR50 just came in
Amplifier, was My Intro - N9PUZ
My kit has arrived
N3AO HR50 On the Air - Reposted by request.
N3FL - New Member
n3zi circuit and details!!!!
N3ZI frequency counter
n3zi rig
NE602 DC Rcvr question
NE612 Double Balanced Mixer/Osc IC
... Near-Future Purchaser\Builder Of A Hardrock-50 Amplifier ...
need a hf transceiver!!!!!
need a nezi transceiver or its circuits diagram or schematics
Need Teflon #22 Wire for HardRock
New 50W Amp PCB BOM posted
New Amp Design
New assembly manual posted
New Assembly Manual ready for download/review
When are the new boards supposed to arrive?
NEW CHALLENGE
New Errata collection on IF Board
New file uploaded to ARRLHBC
New firmwa v2.0B & v2.0C
New firmware for modified TAK-40 (ver 2.30) with expanded memory
New firmware on the way
New Firmware Ready
New firmware (ver. 2.28) available for modified TAK-40
New group member
New guy on the block
New here - PCB availability?
New here - PCB availability?
New HR-50 Problem
New kid on the block
New KX2/KX3 interface cable available
New KX3 Band Switching Firmware
New List Member Introduction - AJ1G
ANOTHER NEW LURKER
New member introduction
New Member: Anibal dos Ramos hk3arr
New member here but not to Amateur Radio
New member how wants to build the 50w multiband amp.
New Member Info
New member intor
New member introduction
New Member Intro and Hardrock question
New member introduction
New member introduction (Jon, EA2SN)
New Member KB7DJE
New member message proper.
New Member: N3AO
New member to the group
New NM0S Pix
New Picaxe Band Switching Circuit Posted
New poll for ARRLHBC
ki4ezc fred / new to group
new to the group...
New Tuner and HR50 integration
New User
Newbie
Any news on the all band version of the new transceiver?
Next Run of the PCB's
No Kits Left - But...
Not booting after upgrade
Not enough BFO range for USB
..: RE : Not lining up [1 Attachment]
obpa t2 and l6
Older HR50 mods
On-Air Use
N3AO HR50 On the Air - Reposted by request.
One more comment on next run of PCBs
Online Design Review!!
Optical Encoder not Working
Optical Encoder not Working
Optical Encoders for $5
Optical Encoders for $5
ordered unit
Original ARRLHBC #2 Amplifier...
Oscillation
Out with the QSk and in with the ATU
Output Filter part values, any changes?
TAK-40, 10W PA CIRCUIT BOARDS; WINDOW CLOSED. ALL EXTRA PCBs COMMITTED
PA final heat sink
PA input (repost)
PA input (repost)
PA oscillation
DSP-610/OBPA Questions
Packaged 50 Watt Amp Version 1 photos
Painting the housing
Parts needed for DSP-610
Parts orientation
Password required
TAK-40 PCB
KD8DFL ECO - was: PCB 1.0 Question with L203/R203
Where are the amplifiers/PCB's?
PCB's Ready to order
PCB anyone?
PCB Buy
PCB Components
PCB Cut
PCB Shipments
FS: some surplus PCBs and parts (TAK-40, 50W amp)
Photos of 50W Amp board and parts kit
Photos of the 2 new driver amps
Photos Posted
pic source - encoder speed
PIC16F877A
Picture of my amp build
Picture of my toroids
pictures posted
Power Amplifier Issues
Power Pole connection
Power up successful! but hating Molex connectors
Pre-wound Toroid Kits are now available
problem with programming 16F871
Procedure for loading new firmware in a TAK-40
Programing the 16F871 fot the Tak-40
Programming TAK-40 for DSS-60 use
Programming the TAK-40 with the DLP-TXRX-G
proper connection/operation of amp
HARDROCK-50 ATU Prototype Demo Video
PTT/COR Switch
PTT delay - The culprit is found.
PTT delay - The culprit is found.
PTT or COR with Softrock, other questions.
Punch Down Tool
purchasing amp
Q208 vicinity
Out with the QSk and in with the ATU
QSK-50 REV A
Hardrock-50 QSK Board Kit
QSK Kit Installed and Working
QSK option
Question about amp T/R relay and keying with my rig
Question about jumpers and header stock, phono jacks
Question about power cord
R113, R117 and BOM questions
R251 on V1.2 IF Board
R302 on TAK40 VFO board
R404
RCA Connector Question
RE RF Parts?
Really dumb Hardrock 50 question - now not so dumb
Really dumb Hardrock 50 question - now not so dumb
Receiver set-up
Redo on front panel, tempted not to use meter board.
Removed RCA connectors
Replacing the RCA connectors
Report and 10m power down issue - 2nd Run of WA2EUJ's HF Linear Amp
resend
Resistance tests
Restarting my TAK-40 after 2 years in hibernation!
Hardrock-50 Rev F (S/N 1200 and up) Test Results
Retrofit Kit for S/N <1200 HR50's
Rev 2 PCBs
Reworking U104's Power - modifying AF6NZ's fix.
RF gain control
RF1000-16 replacement
RF1000-16 replacement
Rotary Encoder
Rotary Encoder for Tuning
Cheap rotary encoders
The RS-HFIQ Kickstarter Campaign - Final Days
RS-UV3 V/U radio
FS: WA2EUJ "RUN 2" PCB, PARTS, Etc.
Run 2 Amp PCB question
S/N 1101 up and running
S/N 1102 Ready for testing and my build notes.
S/N 1109 Build
SBC-610 question
Schematic and BOM completed for the new amp
Schematic vs. BOM discrepencies
Scopes
Scopes: was Interconnect Cables
Scouts.....
Screws for FET tabs to heat sink 50A second-run
Second Run amp power output
Second run amp power issue
Second Run amp power output
Second Run amp with non-relay 5W driver amp
Semi Success...
Sensitivity
Separate receive antenna with HR50+QSK board?
Setup Parameters
Shielding question
Welcome es Shipping to Europe
Shipping to VE3
SMD 2512 Package R1-R4 Too Big - WA2EUJ Amp 2nd Run
SMD electrolytic caps, which side positive?
Software
Solder Advice?
source for labels
Source of Q10 connects to 13.8V SW, not the drain as shown
Sourcing for hard-to-find and/or annoying-to-find TAK-40 parts
Speaking of Right angle connectors:
Spectrum Analyzer search
SSTV
Stand alone amp- driver board
Standing on the Shoulders of Giants, sort of =0)
Status of the Hardrock-50 Tuner Option?
Status on my version of the TAK-40
Still stuck setting BFO -- help?
Substitue 16F876A
Success!
Sucess, sorta'
Suggestion for mounting .05" Displays
Summary of key messages for 50W multiband Amp build
Surface Mount
T1,T2,T3
T2 question for the 50 wat band seitched amp
TAK-40 Help?
TAK-40 10 Watt Amp.
TAK-40 10W PA
TAK-40, 10W PA CIRCUIT BOARDS; WINDOW CLOSED. ALL EXTRA PCBs COMMITTED
TAK-40, 10W PA CIRCUIT BOARD, INFORMATIONAL EMAIL SENT
TAK-40, 10W PA CIRCUIT BOARD, LAST CALL, REQUEST WINDOW CLOSED
TAK-40, 10W PA CIRCUIT BOARD, LAST CALL, REQUEST WINDOW CLOSED
TAK-40, 10W PA CIRCUIT BOARDS; A FEW REMAIN AVAILABLE
TAK-40, 10W PA CIRCUIT BOARDS; WINDOW CLOSED. ALL EXTRA PCBs COMMITTED
Tak-40 - A couple of quesions
TAK-40 ( a very late build)
Tak-40 Amplifier 10W
TAK-40 and 10W amplifier: parts available
TAK-40: BFO Circuit
TAK-40 BFO Setting
TAK-40 Birdie Issue
TAK-40 Birdies
TAK 40 boards
TAK-40 Boards Available?
TAK-40 BOM errata
TAK-40 Build Progress
TAK-40 Build Status
TAK-40 Builders Notebook -- Added to the Files section
TAK-40 chip now obsolete
TAK-40 CW Generator
TAK-40 DDS-60 Modifications
TAK-40: Digital Board BFO and Power Distribution (VR101)
TAK-40: Digital Board BFO and Power Distribution (VR101)
TAK-40 firmware
TAK-40 for Scouts?
TAK-40, FULLY OPERATIONAL, ON-THE-AIR, RADIO ?
TAK-40: Generic BOM
TAK 40, good project
TAK-40 Help?
TAK-40: IF Board Errata
TAK-40, IF Debug, final notes...
TAK-40, KD8DFL boards...
TAK-40 LCD Display
TAK-40: Look Ma, No Smoke!
TAK-40, MV209 Voltage Variable Capacitance Diodes
Tak-40 on other bands
Tak 40 Parts
TAK-40 Parts Question
TAK-40 PCB
TAK-40 PCB's Group Buy
TAK-40 pic programming
TAK-40 Progress
tak-40 question
TAK-40 Questions
TAK-40 Resistance Readings
TAK-40 Rotary Encoder
TAK-40 System Ground
TAK-40 Toroids and RF Shielding
TAK-40 Trimpot (VRxxx) Question
TAK-40: VFO Board
TAK-40: VFO Output Level
TAK-40 WAS
TAK-40 Wiki Moved
TAK-40 with DDS
TAK-40: Working on the Digital board
TAK-40 Works PSK-31
TAK CW Operation
tak40 help
TAK40 issues
TAK40 module signal levels
TAK40 R130 missing on V1.2 PCB?
TAK40 resonator source
TAK40 Started...More Questions...
Teflon Wire revisited
Hardrock-50 Rev F (S/N 1200 and up) Test Results
Test Data
... TESTING MY NEW. AMP
Thanks for Inviting me to the group
the 3rd challenge
The 50 watt amp with other amps?
The ATU's are coming...
The Hardrock-50 is now FCC Type Accepted!
The IRF9610 isn't shorted!!! The PCB is wrong!!!
The mystery 4th entrant?
The next run of amps
The RS-HFIQ Kickstarter Campaign - Final Days
Firmware 2.1c - response time adjustment for HR50 under CR mode
Timonium Hamfest
To Many Toys
To Wayne, K0DKT
Too Much Delay!
Toroid Windings (Length of Wire)
Torroid winding question
tranlait
Transformer Windings
Troubleshooting, etc.
Troubleshooting Help
Try the Tech Forum on the google site
Tuner Beta Builders Wanted!
Tuner works very well
Tuning Diode Substitute
Tuning Diodes
U204D
Unassembled 50 Watt Amp Kit Found
VE1GPY Introduction
Version 3 Firmware
VOLTAGE DOUBLER - RECEIVE PATH DIODES 50W AMPLIFIER
Voltages
VR1-4 adjustment HELP PLease
VR101 - Contrast control on LCD - Observations and questions
W6JL amplifier
WA2EUJ 2nd Run Amp Questions
WA2EUJ 50W 4 BAND AMPLIFIER
WA2EUJ 50w 5 band amp
WA2EUJ 50W 5-BAND AMP #2 bias current
WA2EUJ 50W Amp PCBs In Stock
WA2EUJ's 50W Amp
WA2EUJ Amplifier C22 Value
WA2EUJ Amplifier - Heatsink
WA2EUJ Board Run
WA2EUJ design
WA2EUJ DSP-610 Board is now in stock
Wanting gEDA Symbols and Footprints for RD16HHF
Weird current draw problem with amp that dissapeared
Welcome es Shipping to Europe
Welcome Steve KD1JV
Well I just soldered my first four SMD caps ever!
Well I screwed up...
what ever happened to Homebrew Challenge #3?
what microphone to use
When are the new boards supposed to arrive?
Who submitted the four enteries?
Why IRF510s for RF output devices?
Why USB?
Will Tuner work with amp in bypass?
Winding bifilar toroids
Winding L204
winding toroid coils
wiring of 5 band 50w amp in chassis?
YeeHaw No Smoke
Yet another part orientation question, relays...
Your new Home Brew Challenge ?? - The Scottie Globemaster SDR