schematic

210 links - and 1 categories

40 meter portable dipole for QRP operations - ZS6KMD
Schematic drawing and instructions for the construction of a simple portable dipole for use in ...

[ Hits: 266 | Votes: 0 | Rating: 0 ]

Multiband J-Pole Antenna by IZ0UPS - iz0ups
A multiband J Pole antenna project that cover 144 220 and 430 MHz The articles ...

[ Hits: 417 | Votes: 4 | Rating: 7.25 ]

Portable Mast - ZR6KMD
This is a schematic drawing of a project for the construction of a portable mast ...

[ Hits: 606 | Votes: 2 | Rating: 6.5 ]

ZR6KMD 20m Field Dipole - ZR6KMD
A simple drawing schematic of a portable field dipole for 14 MHz with dimensions in ...

[ Hits: 520 | Votes: 3 | Rating: 7.33 ]

Making a Quadri Filar Helix antenna - F4BPP ^updated
Lot of pictures drawings and schematics to build your own QFH Quadri Filar Helix antenna ...

[ Hits: 461 | Votes: 7 | Rating: 3.43 ]

Yaesu FT-1000-D RS 232 CAT interface - RK3BT
Schematic diagram circuit to build a RS232 serial interface for the Yaesu FT 1000D works ...

[ Hits: 220 | Votes: 1 | Rating: 1 ]

FT-817 CAT interface - CT2GQV
Homemade custom CAT interface cable for the Yaesu FT 817 this article include schematics diagram ...

[ Hits: 126 | Votes: 0 | Rating: 0 ]

Baofeng Mic Pin Out and Programming Cable Schematics - Baofeng
Speaker Microphone Pin Out Dual PTT Switching Programming Cables SMA Antenna Connection Extended Antenna Threads ...

[ Hits: 1086 | Votes: 8 | Rating: 8.75 ]

KiCad EDA - KiCad
A Cross Platform and Open Source Electronics Design Automation Suite that runs on multiple operative ...

[ Hits: 87 | Votes: 0 | Rating: 0 ]
TinyCAD - TinyCAD
TinyCAD is a an open source program for drawing circuit diagrams which runs under Windows ...

[ Hits: 134 | Votes: 1 | Rating: 10 ]
DesignSpark - RS Online - RS Online
DesignSpark PCB is a free PCB design tool by rs online designed to help the ...

[ Hits: 71 | Votes: 0 | Rating: 0 ]
PCB gEDA - gEDA
PCB is an interactive printed circuit board editor for Unix Linux Windows and Mac systems ...

[ Hits: 104 | Votes: 0 | Rating: 0 ]

CW Trainer - Arduino Project - N4TL
Hone your Morse code skills with this entry level project Article includes the full schematic ...

[ Hits: 618 | Votes: 0 | Rating: 0 ]

Home Made Artificial Ground Tuner - PA0Q
Home made Artificial Ground This article contains a schematics of a custom artificial ground device ...

[ Hits: 589 | Votes: 0 | Rating: 0 ]

PT40 7 MHz Transceiver by AA3SJ - AA3SJ
Home made 40 meter transceiver project The receiver is a Progressive Receiver with a few ...

[ Hits: 163 | Votes: 0 | Rating: 0 ]

The K4ICY Minty Keyer - K4ICY
Build your own 3 IC Iambic Electronic Keyer Here you will find schematics and operation ...

[ Hits: 121 | Votes: 0 | Rating: 0 ]

23cm Low Noise Amplifier - PA4DAN
A low noise amplifier for the 23cm band with schematic diagram picutes and instructions article ...

[ Hits: 66 | Votes: 0 | Rating: 0 ]

Tulip SDR - SP3OSJ
SDR Project for a compact amateur radio software defined radio trasceiver covering HF bands all ...

[ Hits: 369 | Votes: 5 | Rating: 8 ]

Optocoupled Transceiver-PC Audio Isolator project - IK5NAX
An optocoupled audio interface between PC and Transceiver for digital modes The article includes full ...

[ Hits: 197 | Votes: 0 | Rating: 0 ]

Homemade spectrum analyzer - robkalmeijer
An inexpensive spectrum analyzer for the radio amateur with a respectable performance and a quite ...

[ Hits: 371 | Votes: 0 | Rating: 0 ]