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HEADPHONE AMP
276
0
0
MINORU HOROKANAI SHUMARINAI
MINORU HOROKANAI SHUMARINAI
JAPAN
0
1
Supply 12.6V can drive tube amp like this. Here is headphone amp and 220mW output.
12au7 mini watter amp : model RK212
505
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
How to make a stepping motor that makes musicAny 12V NEMA17 standard stepper motor will work.It will work if you write the parts according to the silk on the board.Turn on the power to write the progr...
Play music with stepper motors.
636
0
0
Engineer
Engineer
JAPAN
0
0
This straight radio is havig s-meter.schematic
This straight radio ; ta7642 radio with s meter
3424
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
Using TDA1572 for broad cast radio.Circuit diagrams here : http://takinx.dcnblog.jp/radio_kit_/sub11.html
TDA1572 radio.
1994
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
This is easy to build the heterodyne radio .schematic is here.http://takinx.dcnblog.jp/radio_kit_/files/TA2003.pdf
ta2003 radio board.
4468
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
This board is designed for routing is 2 sets of 4 to 1 audio (i2s) lines (bck, fs, rd, wd) for test automation and probing. However, due to the use of analog muxes, it definitely has additional uses a...
4[4]x4[4] Analog Mux
638
0
0
DigitalArtisans.org
DigitalArtisans.org
JAPAN
0
1
Single Channel Audio Meter
Single Channel Audio Meter
778
0
0
DigitalArtisans.org
DigitalArtisans.org
JAPAN
0
1
Middle wave radio pcb.Using 12AU7 for tone-controller,radio IC is tda1072, and TA7638 as AF IC.
Broad cast radio, 12au7 and tda1072.
3063
1
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
For bbser on hf, direct conversion receiver.Using MAX295 as lpf. cut off =3khz.
NE602+MAX295: direct conversion receiver. cut off=3khz
2956
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
For ssber,two tone gene, using NE612.The details are my site, "RADIO KITS IN JA"Thanks
two tone: ssber testing transmitter.
938
1
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
455kHz marker,using rezonator 455.
455kHz marker.
1257
0
0
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
A very small circuit that allows a volume-perfect mix between CD audio and Paula.A great trade-off between soundtracks and effects.The potentiometer is not required.Crystal clear stereo audio!Order th...
Commodore Amiga 1200 Internal Audio Paula CD mixer HI-FI
1807
0
1
Edoardo kinmami
Edoardo kinmami
JAPAN
191
15
For radio builder, mini-tx on middle-wave using ta7310.Small size and easy to make up. design:http://takinx.dcnblog.jp/radio_kit_/files/rk-98.pdf
Wireless-mic using ta7310
1623
3
1
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
For radio builder, qrp am trx.TX :using SL1641 for am mod amd mic-compress ta2011s on board.RX:double super heterodyne******************************************************************************Tran...
50MHz am transceiver :TX input 1W / RX:double super heterodyne
2178
1
1
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
For radio builder, easy to make a reflex radio. But high sensitivity like super heterodyne radio.It needs less 30 minute to build up.
reflex radio :high sensitivity
1612
1
1
shuuichi takikawa
shuuichi takikawa
JAPAN
47
1
1
2
3