The first test done on air was conducted with K5VXT, K5SRZ and K5SL all reports
proved to be of an advantage and a major difference with the amp inline,minor adjustments were made to suit my voice and the
ALC of the radio, the amp can be powered by the radio's mic input 8vdc or
by an external power supply or internal 9V battery.The project took about
one hour to construct and fully functional in about two hours, I hope that you have fun building this project....Good Luck...73
De Clint VK2ACM
Please click on the picture for a
larger image ...Tnx for the visit...73 de Clint VK2ACM.
Above is the schematic of the microphone amplifier please note
DO NOT INSTALL R1 If you are using a dynamic microphone it is
only used when you are going to use an electret microphone insert,(See note on page 2)
Click on the Far Circuits link below to order a board
or you can etch your own pcb.
The parts link below is in PDF format, please view with Adobe Reader.
PARTS LIST EQ AMP
73 De Clint VK2ACM
Disclaimer as this is a project that I
have constructed and I am using at present, I do not take any responsibility for any damage caused
to any equiptment.
Please click on this link to the finished product site. Thank You for visiting my site...Clint VK2ACM