Meeting Mate 40, 7MHz CW QRP transceiver (1)

From Mr.Imai's book 'Handmade transceiver', a popular transceiver named 'Meeting Mate 40' is introduced here. This transceiver is build up from TX and RX part separately. Hence it uses two crystals, it avoid complex T-RX circuit. The book shows picture of Manhattan style in color. These are very easy to understand and several QRPers made this transceiver by themselves. Every Sunday morning, JA QRP club has weekly meeting on 7003kHz under domestic propagation. This transceiver is designed to join this meeting by homemade beginners.

Miracle Paint (vocaloid's song with promotion video)

Respect to creativity of songwriter, vocaloid programming and animations. Does amateur radio has such attractive outcome as they provide to people through the internet? May be, may be not.

7MHz QRP TX AYU-40 modification

AYU-40 is simple full-QSK 7MHz QRP TX kit. The board is a bound in supplement of CQ ham radio magazine July 2009. Recently JE1UCI Mr.Fukawa is trying to improve the AYU-40 function in ICOM BEACON online magazine. He is a famous QRP homemade instruments writer. By his modification adding a diode, any receiver can calibrate frequency to AYU-40 oscillator stage without transmitting. Above picture is a blogger's AYU-40 in progress, not the modified AYU-40 based on the article. About the AYU-40, you can see one in previous post.