Welcome to my Web site!
4. Codan HF SSB Repeater Project
5. Contemporaneous On-Frequency Repeater (not the Plessey patent)
6 The Plessey Avionics PTR3411 contemporaneous FM repeater!!
7 Common Channel communications
8 Direct Conversion FM Receivers.
8. Circulators (under construction )
9 Long Range Bluetooth Data Transfer
10 Jamming Enforcement Doppler radar a few thoughts!
11 Reciprocating detector For SSB /DSB/ CW
12 Second generation reciprocating detector
13A Frequency Demodulation assisted by Synchronous oscillator
14 Common Rail Diesel injector interference Isuzu bighorn updated nov 2011
15 Superregenerative detector operating at H.F
16 Half Wave Dipole Resonants Lengths @ H,F
17 A Remote Controlled HF Communications Receiver via DTMF , ICom IC-R75.
18 A motorcycle mounted 2m dipole antenna
19 Digital Radio Mondiale convertor 455 to 12 Khz
20 Double Sideband suppressed carrier demodulation , MC1496 as squaring means
21 DSSC demodulation by the squaring means diode doubler technique
23 Double sideband demodulator mk3 squaring loop
24 NE567 Tone Decoder as AM FM demodulator at 455 KHz
This page was last updated on 12-02-2012.
M.A.PINFOLD ZL1BTB pinfold@xtra.co.nz
Repeater Links try: http://www.repeater-builder.com
RF test equipment links http://www.rftest.co.nz/
Digital radio solutions http://www.4rf.com
click below