Cb Antenna Tuner Schematic. Commercial antenna tuners are very expensive and often of questionable quality. The pi network is most versatile allowing matching over a wide range.
build a cb antenna Matcher? WorldwideDX Radio Forum from www.worldwidedx.com
I wanted to build a simple tuner which could be optimized for either situation with the flick of a switch. Also you need metal under the antenna. Have a look at the ham radio sites for this.
Most Importantly For Me, I Wanted To Make Use Of Available Parts From My Junk Box.
In the album linearone's cb pictures base and mobile. A typical impedance step down l network antenna tuner is of the form shown in the diagram below. Click on the photo to start tagging.
This Tap Always Leads Tap B Toward The Hot End Of The Tank.
The antenna tuner does not reduce the portion of signal lost in the transmission line. The connector inputs could be on the back and the labels on the front of the meter. Integrated into the tuner is also an swr measurement circuit (directional coupler from old cb radio) so that an external swr meter is not neccessary.
Basically What You Need Is A Line Pickup On The Antenna Feed, This Can Be Done By Inserting A Wire Into The Holes In The Insulating Core Of Air Spaced Coax.
The transmatch, or ham radio antenna tuner, is a variable impedance matching device. Google pi network antenna tuner. The basic simplified atr10 antenna tuner matching circuit is shown below:
Resources Listed Under Antenna Tuner Category Belongs To Antennas Main Collection, And.
They are so very simple to make that i find it hard to justify purchasing a store bought unit. By comparing them, you should be able to construct a tuner to your own particular requirements. Dxhome dxgallery linearone linearone's cb pictures base and mobile.
Fine Tune, Mikes Radio Repair, Key Cb, Bells Cb Shop In Fl.
I wanted to build a simple tuner which could be optimized for either situation with the flick of a switch. Tap a is from a standard rotary switch contact. Have a look at the ham radio sites for this.
