Tuesday, May 11, 2010

RF World magazine occasionally QRP article



The RF World magazine is the quarterly from CQ publishing dedicated to wireless technology mainly focused to professional. Occasionally experimental article related to fundamental experiment presents QRP character. In this recent issue No10, the special feature is a network analyzer, but beside this, QRPers may be excited by a short FM wireless transmitter article using CMOS IC 74AHCU04. To the curiosity, using analog characteristics of the high speed inverter, one chip FM transmitter is realized. oscillator/modulator, ECM amplifier, buffer and finals are assigned to each inverters inside the chip. The price of this magazine is 1680JPY.