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)

                                      

 


 

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