Aviation Band Receiver Kit 118-136 MHz AM for Soldering Board 92 x 75 mm Power Supply DC 9-12 V BNC Connector Listening to Aircraft and Towers
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The VHF receiver kit is designed for anyone who wants to listen to communication between aircraft and control towers while building their own receiver from scratch. The receiver operates in the aviation band 118-136 MHz in AM mode, which is precisely where voice communication of civil air traffic takes place. The kit is supplied as unsoldered, all components are loose, and you will assemble the entire circuit yourself according to the component layout printed on the board. The finished receiver is powered by a direct current of DC 9-12 V and typically draws around 30 mA during normal reception. It is a practical project for radio amateurs, electronics students, and more experienced hobbyists who want to try building a sensitive receiver.
The circuit uses an input bandpass filter, a high-frequency amplifier with a 3355 transistor, a CD7358 circuit as an amplifier and mixer, and an MC1350 circuit as an intermediate frequency amplifier. The intermediate frequency is 10.7 MHz, and channel selection is ensured by a ceramic filter. The coils are made directly as printed inductors on the printed circuit board, eliminating the need to wind and tune your own coils, making assembly easier. The board features an automatic gain control (AGC) circuit and a noise suppressor that reduces constant noise when no one is transmitting on the frequency.
- Type – VHF aviation band receiver kit for soldering
- Received frequency – 118-136 MHz
- Reception mode – AM
- Sensitivity – 0.5 μV or better
- Intermediate frequency – 10.7 MHz with ceramic filter
- Antenna input – 50 ohms unbalanced with BNC connector
- Power supply – DC 9-12 V
- Current consumption – typically 30 mA
- Controls – potentiometers for tuning TUN, squelch SQ, and audio volume AF
- Function – automatic gain control (AGC) and noise suppressor
- Board dimensions – 92 x 75 mm
- Package contents – printed circuit board 92 x 75 mm and unsoldered components for assembly: integrated circuits with sockets, transistors, resistors, capacitors, ceramic filter, three potentiometers, BNC connector, DC power connector, and 3.5 mm connector for audio output
For good reception, an antenna is important, which needs to be connected separately via the BNC connector. Very short waves propagate almost directly, so the manufacturer recommends an outdoor antenna, such as a simple quarter-wave GP antenna with a rod approximately 60 cm long, or a directional Yagi antenna. According to the manufacturer, with a powerful antenna in an open area, communication can be received from a distance of up to around 190 km. Large obstacles between the receiver and the airport, such as tall buildings or hills, significantly worsen reception. The board can be built into an aluminium box measuring 97 x 40 x 100 mm after assembly, which is not included in the package.
The kit combines the fun of soldering with a practical result, as the finished receiver can be immediately used to listen to air traffic in the vicinity. The compact board measuring 92 x 75 mm easily fits into your own enclosure or on a workbench. The controls are simple, and three potentiometers are sufficient for tuning the frequency, setting the squelch, and adjusting the volume. With a sensitivity of 0.5 μV and an intermediate frequency with a ceramic filter, the receiver is a suitable basis for further experiments with antennas. The kit is suitable for anyone interested in radio technology and aviation.
Delivery
Delivery to address€1.99
Estimated delivery: 23 November – 4 December
Shipped from China
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28070 Alcala de Henares, Madrid
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About the seller
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Seller:
Gansu Constar Technology Group Co., Ltd.
Address: No.10, Chuangxin South Road, Baiyun District, Baiyun, Gansu, China
E-mail: ksdjt@foxmail.com
Telephone: +86 156 9392 3686
Manufacturer:
Gansu Constar Technology Group Co., Ltd.
Address: No.10, Chuangxin South Road, Baiyun District, Baiyun, Gansu, China
E-mail: ksdjt@foxmail.com
Telephone: +86 156 9392 3686
EU responsible person:
BioDomi GmbH
Address: Schokoladenring 13, 65795 Hattersheim am Main, Germany
E-mail: arcontact@biodomieurope.de
Telephone: +49 178 5749814
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