Hits 

Tuner W1FB scheme Compiled


The above scheme ensures matching of Rin = 50 ohms with a load of R = 25-1000 ohms, providing suppression of the 2nd harmonic by 14 dB more than Ultimate in the ranges of 1.8-30 MHz
post 05 Dec 2024
Tuner W1FB scheme Compiled

Antenna Transmatch tuner Links

186



Tuners in T for antenne filaire
This is a high-pass T-filter consisting of a variable inductance inductor and two CVs. Each of these 2x125pF CVs has a capacity of 250 pF

Tunner per Antenna tipo canna da pesca
Modifica fatta ad un accordatore ZetaGi M 27 surplus

What tuners do
The primary function of a tuner is to present the radio with its specified load impedance

QRP Z-Match
The two variable capacitors are very compact. A simple SRW bridge allows to indicate the best tuning positions and an additional 150 pF capacity can be switched on, to help tuning shorter wires if necessary


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

Kits and Components

Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters