Archive for the Category


Broadband RF Amplifier Kit

Sunday, June 22nd, 2008


This is the ticket for boosting power up to a 1/2 watt over a frequency range of 100 KHz to over 1000 MHz! Although intended for use as a lab amplifier, many users in foreign countries use the LPA1C to boost their Ramsey FM stereo transmitters to a watt of power, capable of providing radio [...]

Antennas for 2.4 GHz WiFi

Thursday, June 5th, 2008


Antennas for 2.4 GHz WiFi wide angle antenna for 2.4 GHz WiFi, sector antenna for 2.4 GHz WiFi, Modified 3D Corner Reflector Feed for SAT TV offset parabolic dish, 2 el. BiQuad Feed for Offset Dish at 2.4 GHz WiFi, Trimmed 3D Corner Reflector Antenna for 2.4 GHz WiFi, antenna for 2.4 GHz WiFi: Easy [...]

SW RF Pre-Amplifier by 2N3819

Tuesday, April 15th, 2008


A radio frequency amplifier to boost SW reception. Frequency range approximately 5 to 20 MHz.
The problem with amplifying weak radio signals is that you also amplify the noise. What you can receive depends on how much background noise is present, whether it be man made interference or static. In this design the RF signal is [...]