24 GHz Contraption


|
A. |
24 GHz Down Converter Module (CTR-60703R, from eBay auction several years ago) |
|
B. |
24 GHz Uconverter Module (RX CTR-16052-1R4, bought with above module) |
|
C. |
10.368 GHz Source (provides LO for TX and RX modules which doubles to 20.736 GHz for a 3.456 GHz IF) |
|
D. |
3456 MHz Transverter with 144 MHz IF (Built with "no-tune xverter circuit borad") |
|
E. |
Icom IC-202 144 MHz Transceiver |
|
F. |
SMA Relay (switches 10.368 GHz Source between TX and RX 24 GHz modules) |
|
G. |
+5 volt regulator for TX Up Converter |
|
H. |
TX/RX switch, CW key (small push button switch) and switch for continuous carrier |
|
I, |
Flux gate compass (Wayfinder V7000) Very accurate device for aiming antenna |

12 inch dish with 24 GHz feed
Obtained from Troy Dennen, NW1B
(Optional radome shown on one dish)

|
A. |
12 VDC Input to 19 VDC output notebook computer power supply (provides -19 VDC to 10 GHz Source) |
|
B. |
12 VDC to 110 VAC Inverter (powers 12 VDC power supply) |
|
C. |
110 VAC to 12 VDC switching power supply (provides 12 VDC to IF radio, 3.4 GHz xverter, TX/RX 24 GHz modules) |
|
D. |
25 Amp Hours battery pack with circuit breaker and cigarette power receptacles |
|
E. |
JWM Engineering 1152 MHz PLL Oscillator and 10 MHz Oven Reference Oscillator (provides frequency marker at 24.192 GHz. Also markers at 2.304, 3.456, 5.760 and 10.360 GHz) |
|
F. |
Traffic Radar Detector (used to assure output of 24 GHz up converter during TX mode) |