IZ6KPR

- Automatic selection of filter frequency by reading the cat

- Automatic selection of filter by the parallel port from Ham Radio deluxe

-Manual selection of filter

-Ptt by rele' radio or by RF

characteristics of protection:

Activation input attenuator automatic for excess power input or temperature high.

Over current

Over temperature

Selection wrong filters

On the front there are a button For:

selector of band filter

Attenuator on/off

ant1 ant 2,

ptt selector by rf orby radio,

the button of reset

The display measures the power of the SWR, the ampere input power the temperature, the state ptt, the frequency, the selected band, the attenuator, and the various information protection.

while it is in the process of building the software to monitor and control the amplifier from pc.

Here is the prototype of an amplifier ,the power is1.1 kw in FM in 40 m , and 800w in fm in 10m, while in ssb peaks reach in 40m 1.4kW and in 10m peaks 1kw ,in the future will cast a the definitive model.

his characteristics of protection:

SWR

Over driver rf input

Over current

Over temperature

Selection wrong filters

On the front there are 2 bars led to visualize the power and the swrs,

selector of band filter

selector class ab/b,

ant1 ant 2,

ptt selector by rf orby radio,

the button of reset

manual or automatic selector band filtre's through parallel port.

This prototype built by me that I am not at all an expert of electronics but I have a lot of wish and patience, after having finding different schemes, after having spent many money of material to experiment, broken 5 ldmos and 11 months of time have succeeded in realizing it.

The power from 3.5 to 28 are limited from me to 700 /800 w with around 26/28 amps to be calm and to avoid to purchase another ldmos.

A thanks goes to IK6CLD for the realization of the pcbs for its incitement, etc.