|
1. |
DIY -
6SN7 + 6DN7 Vacuum Tube Audio Pre-Amplifier.
(update
: 12/09/03) |
|
2. |
DIY -
HF Long Wire Antenna in my station.
(update
: 30/08/03) |
|
3. |
DIY -
28MHz to 144MHz Transverter.
(update
: 30/08/03) |
|
4. |
DIY -
G3WDG 2.4GHz Down Convertor.
(update
: 30/08/03) |
|
5. |
DIY -
2.4GHz 4 to 1 Power Splitter.
(update
: 05/05/02) |
|
6. |
DIY -
6m 300W Linear Amplifier.
(update
: 01/02/01) |
|
7. |
DIY -
80Wx2 Stereo DC Audio Power Amp since 1992.
(update
: 24/10/2001) |
|
8. |
DIY -
Car Whip Antenna Mount. Phase 3D???
(update
: 24/10/2001) |
|
9. |
DIY -
2.4GHz 20elements Helical Antenna problem.
(update
: 17/10/2001) |
|
10. |
DIY -
2.4GHz Down Converter worked with VR2XMT's ant.
(update
: 17/10/2001) |
|
11. |
DIY -
Long wire antenna.
(update
: 06/10/2001) |
|
12. |
DIY -
Increase o/p volume for MFJ-418 Morse Code Tutor.
(update
: 26/08/2001) |
|
13. |
DIY -
Portable Antenna Tuner.
(update
: 11/08/2001) |
|
14. |
DIY -
DC12/24V 2.5/5A Programmable Battery Charger.
(update
: 06/05/01) |
|
15. |
DIY -
6m L-Dipole.
(update
: 05/05/01) |
|
16. |
DIY -
4.5V to 500V DC to DC Converter.
(update
: 16/04/01) |
|
17. |
DIY -
AC Outlet with Radio Remote Control.
(update
: 15/04/01) |
|
18. |
DIY -
External Speaker with passive filter.
(update
: 06/02/01) |
|
19. |
My
European World Wide Award.
(update
: 21/12/00) |
|
20. |
The
accident happen during test.
(update
: 16/12/00) |
|
21. |
Two
update RF simulators were available.
(update
: 14/12/00) |
|
22. |
My
ADXA-HALF Award.
(update
: 14/12/00) |
|
23. |
My
IARU Region III Award.
(update
: 30/11/00) |
|
24. |
DIY -
Paddle Key.
(update
: 12/11/00) |
|
25. |
DIY -
500W Dummy Load.
(update
: 29/10/00) |
|
26. |
DIY -
SSTV Interface.
(update
: 22/10/00) |
|
27. |
DIY -
Field Strength Meter with ATT.
(update
: 16/10/00) |
|
28. |
DIY -
50V 15A DC Power Supply. (The panel unit)
(update
: 15/10/00) |
|
29. |
Some
Antennas for Military use. (available now!)
(update
: 07/10/00) |
|
30. |
The
Rig
Test page was available.
(update
: 06/10/00) |
|
31. |
How
to DIY ? Let me to show you.
(update :
29/08/00) |
|
32. |
DIY -
3V to 13.8V 3A DC Power Supply.
(update : 15/08/00) |
|
|
Please
to see the detail for my DIY. |
