- How to design the front end of a radio
- Help with QRP Notebook SSB Phasing exciter
- HP-432A Power Meter - On it's way to the grave!
- Just finished my Pixie 2 transceiver (pics)
- Identifying Toroidal Cores
- Builders - Do you have too many parts?
- frequency divider
- Plans for 2 M homebrew amp
- Eagle PCB Layout Custom Package
- How to get parts
- RF Oscillator & Buffer Amp
- Homebrew CW Paddles/Keys
- Welcome to the Homebrew/DIY forum.
- Lightning - sferics detectors
- Define Homebrew
- Books in the Homebrewer Library
- Embedded microcontrollers
- Parts exchange
- ExpressPCB software
- Ideas for stickies in the forum
- The Scavangers Thread - junk to treasure
- digital speech within 100 Hz bandwidth
- the n9ysq homebrew 222 mhz / 902 mhz challenge
- crossband linear ssb transponder project
- Has anyone built the 1L6 replacement?
- CAD Software for the Homebrewer
- Homebrew board traces
- Homebrew basics
- Looking for a osciliscope in Tucson (pcb-88 problem)
- FORUM PROJECT: 6AQ5 Transmitter from Bert Simon
- Fascinating Quartz Crystal history
- Sine wave code practice oscillator
- VXO based audio signal generator
- Please let me know what you think of this circuit.
- Cheap/Free Drafting Software Recommendations?
- Help with a balloon project
- Get started building easy
- Any tips for small PC board mounting?
- need help with vhf mobile project
- Capacitors
- 150 Watt Dummy Load
- LSB vs USB - Calibration of PSK20
- Trash or treasure
- Which oscilloscope?
- Greetings, parts junkies!
- Arc-5ers, check this out!
- Discussion: 1st IF for RX/TRX design
- Icom CI-V interface with 222
- 12V Lead-acid charger
- Signal tracers
- Battery Charger Circuit
- DIY 2m Pre Amp design wanted
- 25 to 35amp 12v power supply
- TxTopper Full QRP Gallon Amplifier
- 70cm amp - low drive needed
- DAKA-WARE - Hunting for that knob?
- "Hard to Find" switches
- Need Ideas For Sharing RX'rs on Antenna
- Raytheon knobs - where to find?
- Transilluminated front panels
- High power L-network tuner
- Does anyone have a circuit for a simple electric fence indicator?
- Amplifier Project Help for sourcing parts
- QST archive on-line
- Installing amp/battery gage
- Balanced tuners
- Low Power 70 cm linear
- Aviation Headset interface
- Vac Tube Lamp
- Power supply circuit!!
- WANTED: Instructions For 40 or 20m CW Transceiver
- NE1 here do PICAXE ucontrollers??
- Dual battery isolator
- Hint for biasing transistors in linear amps
- Moving coil meter - runs away with itself!
- Digital mode testing with FRS
- Exciter for VHF / UHF transverters
- Softrock SDR
- Modding a PC Power Supply
- Serial data over mains (110V) ??
- Mrf286
- microphone switch box
- H-T Speaker.
- NorCal S9 signal Generator
- 1N34A diode
- Icom CI-V on PCB
- Copper pads on DIY PCB
- Quest for the perfect printed circuit board...
- programming cable for a tm-271a
- Base Bias tuned 40m VFO
- How to attach a 1/8" brass rod stock to an SO-239 chassis mount connector?
- Build a sensitive shortwave receiver!
- SB220 rebuilding help
- LEDs for meter lamps
- Material for VHF / UHF strip lines
- Passing a bit of time...TNC interface for Yaesu 897
- Homebrew microphone scissor arm
- unrelated...but
- Help with TR-7
- Cool Transmitter
- Good Quality Soldering Iron
- Anyone playing with the Arduino yet?
- More on circuit boards
- Converting UPS to Amateur Use Power Supply
- designing Class C qrp amps
- Various information for the homebrewer
- Dummy Load Construction
- 6 Meter transverter project
- Open source PCB software - Kicad
- mc50 Microphone element
- I know what I want
- Vectron CO-204 OCXO
- H-Bridge motor control
- What should I try to undertake?
- The Neophyte Receiver
- Ramsey VHF/UHF preamplifier kits
- 6 meter project
- FT-817 mobile mount
- Code Practice Oscillator
- Filter to use with SR-160
- Flocode3 Help for 2M PLL
- Anyone here have experience operating an SR-160?
- The real deal
- APRS Tracking quits
- 317 vs 723 regulator question
- Formula spreadsheet
- EAG-HOMEBREW ANTENNA TUNER REV.2 & THE UTP ANTENNA
- QRP Conference on Echolink
- free software for learning digital electronics
- Console radio Info exchange, Beitman's, etc...
- Ham AVR
- The K4VX linear loaded dipole
- Before you use that inverter...
- manual for Emtech NW transceivers
- New Site for Builders/QRPers
- Rothammel Antennabook free download!
- Anyone have old WWII POW transciever info
- Relays for RF
- Roller Inductors
- Keyer Help
- Parts source
- Halli SR-160 Transmitting Carrier with PTT
- Computer /"Answering Machine" ?
- "SMOKE SMOKE, FIRE FIRE!!"
- BC notchfilter for Pixie
- 2m VHF Transceiver
- Automatic EZ-Tuner
- Fianlly!
- Ever Built Cascade Regen?
- I'm kicking around a CW "auto tuner" idea... Your input...
- Strange Receiver Ideas
- 12 volt dc voltage monitor
- QRP driver/final: Design help
- Home Brew Fires...how common?
- CW Transciever
- Recent Achievements
- Self designed CW Xcvr for a 1st time ham
- Equipping a Test & Fix-it Bench
- audio matching transformers
- Building a variable cap for an ATU
- HF LOOP Tools
- School Project
- Collins Coax Balun
- Build a yaesu ft-8000r Computer interface for programming
- PCB Software Questions
- DIY Hand Mic Switch
- Pi network calculator
- Pixie II - Help with Inductors
- Hammarlund HQ-110 IF Section Reconstruction
- Dan's small parts
- Turning the 6DC6 into a 80m preamp for a reciver.
- Visual Scanner
- Project Box
- Soldering Mic Connectors the Easy Way
- Retrobright Plastic Cleaner
- Schematics wanted
- Restoration
- QRP Designer and Experiences
- Homebrew 24V NICAD charger
- PLUG-IN Coil Forms are BACK (National RF)
- Putting old computer A/C adapter back to work
- Lectro Kit SP-1 transceiver schematic needed!
- Extracting squelch signal from Bearcat scanner
- Software for converting logic gate diagram to transistor circuitry
- speaker Ohms?
- Outboard audio filter
- cw transmitter from compact flourescent bulb
- Need a bigger power supply
- Elecret microphone elements
- Yaesu 897 electret mic...
- Ultrasonic Transducers as IF Filter
- May 1922 copy Radio Broadcast on Google Books
- Dual Out 200MHz DDS, AM/FM Gen/Level Meter
- Reminder : Please post antenna threads in the antenna forum and not here.
- Homebrew Coil/cap trick
- Solar powered backup for a rig
- 9 mhz SSB Crystal filter questions
- cheapest rotor system ever made
- RS-232 feed stop, no flow control, how is this possible?
- DIY 2m "Packet" transceiver
- Homebrew Audio Console
- Need To Drive a Meter "For Show Purposes Only"
- Need a source for the following:
- Soft multipair Wire
- Remote-Control Relay Switch
- Computer controlled relays
- Half-Wave End Fed tuner from these parts?
- HB 6 meter remote control for models.
- Adding a selector switch to a Antenna Tuner
- Woods radios, By popular request
- Need advice on switching bandpass filters!
- A Project I Can Sink My Teeth Into
- easy vox circuit
- -12 power?
- Reverse Engineering Curtis 8044ABM designs
- Torroid or No Torroid!
- DDS Programming Help (AD9852)
- Big Nick's Receiver
- MFJ 259 , band switch , replace ?
- Need about 20 - 30 watts out
- Simple FM BC Tube Receiver
- DC-DC Power Adapter Question
- APT ARF448/ARF460 a&b MOSFETS
- Air Variable Tuning Capacitors
- moving coil meters spec and use
- Magnet Wire
- Time delay relay hair tearing
- 200MHz Dual RF DDS Gen QEX Article Link
- Ten-Tec 1300 Kits
- Linear Progress report
- WW2 Spy Transmitter, Anyone?
- Ham radio kits in youtube
- Looking for SSB Transceiver project
- RF modulation monitor circuits
- Use RC servo on cap in Mag loop?
- Rotor brake delay
- SURPLUS RF POWER BJT
- Bill Cheek scanner mods : Wanted 2 transistor osc schematic
- custom amplifier chassis
- 2-meter Repeater Using Two Old HT Radios
- Want to modify HM-2140 Heathkit meters for QRP
- 40m Wave Ryder
- Vu Meter
- Nightfire Electronics, homebrewers heaven.
- KiCAD TO-3 Package Question
- The Christian-Coupler
- Amplifier Help
- Plans for QRP tuner
- Soldering Stainless Steel
- PSK31 audio levels from sound card