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- Re: Optimist-80 QRP rig info update
- slow motion drives?
- MC145151 PLL... anybody made anything with it?
- Duplexer/Diplexer Software for Linux or MacOS?
- Pinging Chronos, Wymsey, et al
- Re: Standard RX design?
- Easy-peasy SMD construction
- Just an idea
- Pre-selection
- Some projects just seem to take forever.
- 50 years
- Unfinished projects
- Winding coils?
- VFO
- The Public Face of Amateur Radio?
- A great opportunity?
- Output Impedance
- A loaded Q of 10
- But, how does the transistor _REALLY_ work?
- Why M3OSN?
- Re: Recently it was claimed..
- Explaining the numjbers used to criticise certain posts to these NG.
- Curl? Well, there's a thing!
- The Transformer
- Quenching
- Filters: Helical or lumped impedances?
- SolderSmoke Podcast for Thursday 27 February 2014
- The "Two Transistor challenge" - taking things a bit too far?
- How many RF stages?
- Magnetic Morse keys?
- Xtal filters?
- Choosing an optimal IF or LO range
- Front-end design for a DDS transceiver
- Re: AIR VARIABLE CAPACITOR KITS
- Can anyone recommend a radio?
- AmateurLogic.TV for Wednesday 15 January 2014
- 3V8HQ : New Radio Club Station QRV from 3V Land - Tunisia
- Standard C510 in permanent Tx
- Re: DIL16 type IC Identification
- Re: Back to Basics?
- Humor I guess
- Heinz 57 varieties
- Packaging our creations?
- Stable coil formers?
- Oopsie
- Beating planning permission (Brit) or zonal regulation (Yank)?
- to shield or not to shield
- Re: Marine VHF Radio for Truck
- VTVM circuit for remote QRO PA monitoring
- Re: Converting FM Transistor radio to 350khz
- Eddystone 898 dial
- Vectronics LP filter for sale
- Intermittent 1/f noise
- Voltage multiplier charge pump
- NiCAD battery pack feature?
- Re: Anyone using MRF154 or MRF157 on HF or 6m. Help
- Re: Foxhole Radio detector variant
- SolderSmoke Podcast for Sunday 19 May 2013
- seeking a good 1.25m repeater
- RF switches
- TO-3 transistor socket
- Re: Quadruple Sideband?
- Converting from hollow to solid state
- Metal transformer enclosure purpose?
- Antenna Simulation in LTspice
- PCB123 tutorial ne1?
- Swapping the antenna jack on Yaesu FT-7900
- Making a 2m/70cm + 1.25m diplexer
- icom HM-7
- Re: LF Antenna Design
- 7 MHz DSB QRP transceiver: circuit walkthrough
- All Digital Receiver (or nearly all digital)
- Stevens Model 10 Coil Winder
- Transformer Oil Suppliers
- Wes Hayward hybrid cascode amplifiers from 2007 QST.
- Re: Home Brew 9 Volt Battery Clip
- VHF transistor for HF Power ampli
- Modifying an SWR meter
- Re: Info on James Knights Xtal/oven
- MC1350 input and output impedances
- piezo buzzer
- Re: I WILL BUY YOUR BROKEN/TRASHED ICOM H.F. RADIO
- Heathkit data updates?
- Alinco dx70th - and transverter.Please help
- Re: A salvaged RF Ammeter
- FA: C&K/Microswitch switch lots, electronics parts, vintage radios, etc.
- 2.5KVA transformer on square wave 1000hz mains
- trying to halve power to RF ammeter
- Electrothermal squigging in a regenerative radio receiver.
- Switching attenuator
- NE612 beginner
- TS-118A/ap
- How to measure high tube amplifier voltage
- D-Star non profit hardware soon available known as www.dvrptr.desoon C4FM / 4FSK 4800baud (APCO P.25 Phase I)
- Realistic scanning receiver for sale
- Re: Regenerative Radio Receiver Book
- adjustable noise blanker modification?
- Bunnel Flameproof morse key terminal cover
- Re: Regenerative Radio Receiver Book
- Looking for one low-power tube modulation transformer
- Pinout Sat-Rx-Tuner SAMSUNG TBCB60118BG
- 7377 tube also known as QQE04-5-what was it for?
- 6-meter 1kW amplifier modules
- Cleaning bookshelves: data books, anyone?
- Ft 5GHz transistor
- Looking for pages from Oct 1947 CQ magazine
- just came across this
- Re: seeking modern catalog of vacuum tubes
- Project: Car power adapter to Anderson Powerpole
- What do you know about FootBall?
- uae of mimic citcuits as post mixer amps.
- Re: seeking modern catalog of vacuum tubes
- Vibrator power supply
- completely disabling AGC in Cobra 142 CB?
- CB to 10M conversion
- MC3362 FM Receiver
- Realistic Scanning Receiver for sale
- Re: decent, low or moderate cost home brew RF amp?
- electret condenser mic question
- decent, low or moderate cost home brew RF amp?
- toyocom Xtal filters
- toyocom Xtal filters
- keyer kit
- High speed, long distance projectiles and tracking via radio
- how can I measure resonant frequency of Toko coil with dip meter?
- SDR recommendations?
- on-line receivers for transmitter testing in USA?
- Antenna advice please??
- Re: Anyone with experience of the VK5BR noise canceller?
- the year 1970
- scope problem newbie
- ferrite in Oz
- souce of HF toroid cores in Australasia.
- XXX messages
- Heathkit is BACK!
- What is the difference between class AB1 and AB2 in an amplifier?
- Re: KD8CTL GOT FAT
- Re: KD8CTL GOT FAT
- obsolete Agilent SA - how to upgrade?
- 1448 TTL to rs232 driver problem
- 230.4 kbps Transceiver
- Ultimate transmatch
- DEMI 2304 transverter for sale
- Input power limiting on VHF (2m) linear amplifier
- low intermod RF amplifiers for HF.
- Clamp Meter Problem.
- Where is "on when engine is running" wire in F-150 pickup?
- Metal Clad mica capacitor size?
- advice on cylindrical magnetic core for PTO with 1" micrometric drive
- vintage "Radio News" by Hugo Gernsback
- RFSim99 anomaly
- Killing an RF amp with high VSWR: Zl>Z0 vs. Zl<Z0?
- vr tube replacement
- pic-a-star
- Help Please -CA3458T
- Si535x clock generator chip vs. si570 series
- EchoLink Interface
- Waterfall recording on DL4YHF "Spectrum Lab" software?
- New Amateur Radio Project Site
- Building a tv tower hinge. Would this work?
- Audio podcast optimization: decreasing bit rate preserving high quality
- HP8562B - YTO- PCB - help wanted!
- 460 mhz converter
- My latest homebrew project....
- Re: Cleaning out QEX magazines
- Re: Cleaning out QEX magazines
- Re: Cleaning out QEX magazines
- Re: Cleaning out QEX magazines
- Re: Cleaning out QEX magazines
- SolderSmoke Book on Kindle
- NimbleSig III Dual DDS RF Analyzer - Design Package Download
- hydrometer calculation
- Heathkit Jr Workshop 35 question
- N to 3/8-24
- FM Bandwidth
- RTTY bandwidth
- Old PI network coil
- Kokusai filter
- Some questions on IF transformers
- Wanted HBR receiver
- help designing gimmick capacitor
- Welcome to PhoToZfAiR
- Battery charger/maintainer for flooded deep-cycle batteries?
- Emulating a crystal
- HT1000 lithium battery mod?
- Re: hello
- ANN: One time offer...ONEoverT Digital Filter Designer..reduced by90% to 30 GBP
- Mosfet mixer
- Confused: CLI Linux CW beacon software?
- Impedance of passive mixer's output
- SDR RF / IF gain and noise questions
- Negative Dynamic Resistance circuit collection
- Connecting Two RF Connectors in Metal Enclosure
- Hola.
- veilefoelve fast payday loans cixkermamix
- Hola.
- Crystal Wanted
- Problem with Pierce using thin crystals?
- Seeking solid state exciter/driver circuit for 5763 tube
- Solid state HF driver/exciter for 5768
- Multifunction IC
- Regarding Rp of an LC
- Vswr Meter
- Need coax jumpers
- 3-1000Z
- Re: Hy-Gain BN-86 balun for sale
- Quadrature DDS
- Circuit Diagram/Schematic Wanted
- SM0VPO - Harry's Homebrew Homepages
- Ceramic Resonators 7.02 mHz SFE7.02MC
- SEE this one: General relativity is simply explained by Fitzpatrick'sRPR - - (Relative Phase Relationships).
- Upgrading an old Yaesu FRG-7
- If I built it, will they come?
- Is this possible?
- Mcl Sbl-1
- FS: 400 working meters
- Re: Yaesu FT 757 GX VIDEO defect
- Homemade 2m FM transceiver?
- manual antenna matching in switch mode HF amps??
- Yaesu FT 757 GX VIDEO defect
- Re: REAL LIP KISS VIDEOS
- The reason we have Gravity?
- WELCOME TO SERENITY FOUNTAIN
- IF Transformers
- Heating in 4-1/2 turn inductor
- I am looking for a project of homemade AM superhet
- Re: Relay Power On Circuit
- Frequency synthesizer for Ocean Boy 400
- Circuit diagram for Grundig Oceanboy 400
- Re: Relay Power On Circuit
- Freescale MPC5675K or MPC5643L
- icom 7400 pcb`s
- HP54100A gift
- MiniCircuits DBM --- SBL-1-8
- Re: Looking For MC145106 in UK
- direct conversion receiver Question
- Charles M0DED (ex Z21GQ ex ZS6BYB) saying "Hello"
- Are all the fundamental forces nothing but simple PHASErelationships?
- Transmitter From Heaven
- Moderated / Unmoderated ?
- Re: Codec2 - putting your money where your mouth is
- Parasitic Oscillation
- where to sell?
- Coil forms, including National SW-3
- Mohawk 7-A "10 meter" amp schematic needed
- Hummmmmmmmmmmmmmmmm...
- Probes
- Hippo XXL RH Hybrid Utility Golf Club-XXL UTILITY
- oscilloscope Model question
- PP GG amp
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