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RX/TX 10 GHz Booster for ICOM IC-905

The RX/TX Booster includes a Power Amplifier, Low Noise Preamplifier, and low-loss microwave relays for both input and output, offering enhanced signal performance.

Key Features:

Easy Installation: Plug & Play setup—just provide +13.8V DC at 5A.
Compact Design: Can be mounted directly on the same pole behind the CX-10G, saving space.
SEND Signal: Directly derived from the ACC connector.
Power Output: > 4 Watts.
RX Gain: > 12 dB.
RX Noise Figure (NF): 1.2 dB.
Enclosure: Durable metal shielded box with IP55 rating (optional IP67 available).
Connectors: Thru ACC connectors, the same model as the CX-10G. RF in/out via SMA (N connector available on request).
Custom Power Outputs: Available upon request.

Installation Instructions:

Disconnect the 10-pin ACC connector from the CX-10G and attach it to the RX/TX Booster.
Use the supplied 10-pin cable to connect the booster to the CX-10G.
Connect the included SMA/SMA cable between the CX-10G and the booster.
Connect your original SMA antenna cable to the ANT SMA port on the booster.
Finally, connect the 13,8 Volt power supply to the booster

Dimensions and Weight:

120 x 120 x 60 mm, 725 grams (excluding pole support)

IZ1OTT

ing. Mauro Ottaviani

Licensed radio amateur since 1981 with the call IW1ASJ.

Graduated in Telecommunication Engineering at Politecnico of Torino.

After several working experiences employed for 27 years at La Stampa newspaper as a telecommunications manager, then retired in 2015.

From the early ‘80, I was devoted to homemade and microwaves.

In 1985 this enthusiasm led me, together with my friend Michele I1TEX, to import and build twenty OE9PMJ 23 cm transverter kits opening the way to many OM to this entry-level microwave band.

In 1990 I designed and assembled many pieces of a compact 23 cm water-cooled power amp using a pair of 2C39/7289 tubes and subsequently the similar 13 cm version using a single tube (published on Radio Rivista 1/1990 and 1/1991). Following this, various articles were published: DB3UU 13 cm transverter, 10 GHz preamplifiers and transceivers modifications.

Collaborating with some local companies operating in the RF sector I have created a series of Noise Sources that can be used with any Noise Figure meter.

After 2000 the callsign changed to IZ1OTT, and I got the US general license (KD2QAQ).

I improved my RF lab by adding more instruments and began working extensively on the higher microwave bands (10 and 24 GHz).

With my dear friend Dino - IV3FDO (SK), I built an automated system to verify and characterize the noise source (published on Dubus 2/2014) from 10 MHz to 26.5 GHz, now referred to absolute hot/cold standards such as liquid Nitrogen. For this purpose, Davide I1DDS wrote the code running under Windows OS.

I combine occasional activity on frequencies from 144 MHz to 76 GHz, and even on 10 meters, with the build of transverters, preamplifiers, PAs, and Noise Sources. I live and work on the Turin hills in Moncalieri (TO).

Special thanks to Franco Rota I2FHW who encouraged me to continue my self-building activity by providing me with useful microwave components from his inventory of the former RF Company of Rota, now RF Microwave.

Preamplifiers

QPre 10 GHz

Single stage NE32584a

Noise Source & Calibration

Noise Source

Compatibility: Designed for any noise figure meter with a 28-volt power supply noise source drive
Calibration: Includes a calibration chart on frequencies 10 MHz, 100 MHz and 1 GHz steps up to 12 GHz (custom frequency steps available upon request).
Performance: Return loss (RL) better than -25 dB.
Connector: SMA RF output and BNC 28 V input

Additional Services: Calibration available for both custom-built and branded noise sources, up to 26.5 GHz.