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Automatic Tuner Project


I have been accumulating parts from ham swap meets for several years for a medium power antenna tuner. The tuner is a high pass T-network tuner
post 11 Dec 2021


Antenna Transmatch tuner Links

203



Antenna tuner long-fil de 7 a 30 MHz
It is a simple L coupler that can be of great service for fixed or mobile traffic.

Antenna tuner multi-type matching system
The above antenna tuner is a multi-type matching system in the same box, which includes L - Pi and T networks. For example, If you can't matching a random antenna with PI-type tuner, just turn the S1 switch in other position, ie T-type and try again. With L - PI - T one-box antenna tuner , we have a very wide matching system for any kind of antenna

Antenna tuner T 3,5 a 30 MHz
This small coupler has a very classic T-pattern and uses an intermediate tap-type choke which allows tuning on all HF bands from 80m to 10m.

Antenna Tuning Unit ATU using the T-Network approch
A roller inductor with 25 or more turns of 1.2 mm diawire (No 17 AWG) on a 50 mm former would be nice for the 100 Watt level and would easily cover 160m through 10m operation

Icom tunner AH4 portable operation
Icom tunner AH4 with installation of the same for stationary or portable operation, making it easier to use

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
Bazooka
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Cb Antenna
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Eh
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Hentenna
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Loop
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Slot
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Wire
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