INDEX

43 of MY Homemade Equipments

JR3XUH

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.

My shack room before the quake.

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...




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