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Matching 50 ohm to 75 ohm
Most signal generators have an output impedance of 50Ω. To align an FM tuner or measure its performance, it's best to match this to the tuner's 75Ω input impedance
post 05 Dec 2024
Antenna Transmatch tuner Links →
A Mini Tuner for HF
From 80 - 10 metres, unbalanced. John has modified it by incorporating a balun
A simple antenna tuner for 4m
I have made 2 others since ,but used a low current Led instead of the original pea lamp
A Useful ATU Circuit
It uses a parallel circuit for 30 - 80 and a series tuned arrangement for the bands up to 10 metres
Automatic Antenna Tuner
Easy and cheap automatic antenna tuner which can works as locale or as remote. tuner has eeprom memory for store settings for faster tunning and four interfaces
Balanced Line Tuner BLT
The BLT is a simple Z-Match tuner that works from 10-40 meters
186
From 80 - 10 metres, unbalanced. John has modified it by incorporating a balun
I have made 2 others since ,but used a low current Led instead of the original pea lamp
It uses a parallel circuit for 30 - 80 and a series tuned arrangement for the bands up to 10 metres
Easy and cheap automatic antenna tuner which can works as locale or as remote. tuner has eeprom memory for store settings for faster tunning and four interfaces
The BLT is a simple Z-Match tuner that works from 10-40 meters
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
Conrad Electronic Electronic components online shop in German and Italian