43 of MY Homemade Equipments
You can enjoy plenty of pictures of my homebrew equipments from anchors below.
Please GOAHEAD NOW!!
And here are a few items pick up from all items listed below, that I personally recommend to see. All they are in some way 'special'.
I'm afraid captions on only red numberd items, e.g.(10),(12)...(37) are in English language.When I was baby... I learned how to make items (1)Diode detected radio(KIT) (2)2 tubes 0-V-2 (3)6 Transistor radio(KIT) (4)5 tubes super radio (5)8 tube RF1-IF2 RECIEVER See this page on Japanese famous radio journal, Jan. 1971, when I was 12 years old. (6)Some QRP transmitters Homebrew CW projects (7) Top Band QRP'er 3CB6 for final stage (8) CW Transmitter 6DQ5 final (9) VXO for above some pictures for (8) and (9) (10)Top Band Transceiver Improved from (5). Worked good condition now. L@@K!! RX: RF1-IF2 receive 1.800MHz to 2.00MHz can read 200Hz TX: 6KD6 50W output (11)X'tal controlled converter Down 3.5M, 7M, and 14M band to 1.8MHz (12)Top Band QRP'er L@@K!! Using old tube 6ZP1 for final. Worked good condition, with (10) and (11). High power AM projects (13)6m's AM Transmitter Worked good condition 6AQ5 final Sg Modulation. (14)50MHz RX (15)5 tube super with ST shaped tube Worked good condition, with (13) design (16)Converter X'tal controlled converter from 50M to 7M Worked good condition. 6DJ8 for front-end lownoise amp. (17)30KD6 X3 Final stage for high power HF AM L@@K!! (18)4CX250B PP Final stage for high power 50M AM L@@K!! (19)Modulator for High Power AM L@@K!! 807 PP Worked with (17) and (18) for high power AM. 807 worked B2 PP 100W output. Mesurments projects (20)Spectrum analyzer adapter Worked with old oscilloscope (21)Two tone generator (22)AF Gen. (23)Dumy Load and Power meter 1920's shack projects (24)Vintage style ST transmitter Radio receiver projects (25)4 tube radio (26)RF1-IF2 ST tube super Worked very well. Now run for C-QUAM Motorola stereo AM and synchronous detection for normal AM. L@@K!! Periferal projects (27)Electronics keyer 1 Made with CMOS. It was expensive on that time. Pair use for the VIBROPLEX. (28)Electronics keyer 2 (29)Padle Use with (28) (30)Speech processor 1 Processor for Hi-Fi use. Very well work for local QSO. (31)Speech processor 2 So called RF processor with 455kHz mechanical filter. (32)Audio CW filter (33)DC-AC converter Voltage up converter from 12V DC to 100V AC (34)ANT coupler ATV projects (35)Dot-hatch gen. (36)Sync. Gen. (37)430MHz ATV transmitter Very well worked. Great constracture!! L@@K!! (38)ATV Converter 430MHz to 100MHz IF for Japanese standard TV receiver. (39)Pre-amp. for receiver (40)RF modulator Other projects (41)Audio amp This is the only item save from the quake (42)6BX7 amp (43)50MHz trnsverter to be continued...