K-ON!, with a glowing valve keyboard

K-ON (light music non classic) means actually a kind of rock'n roll music club often seen at high school or universities. This animation K-ON! is selling CD as well as real artist. If you visit Akihabara electric-town now, yu will see many shops have K-ON!'s poster. In the story, four students in hi-school start K-ON club and various episode commonly happen in their school life is in there. May be everybody seeing K-ON! enjoy stories as when their student days. For QRPers fun, in the opening moment, glowing tube 12AU7(ECC82) appears. KORG Triton extreme synthesizer had the valve in its special feature. Other music instruments appeared in this animation are well described in its details from existing famous models.

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.