
( Brand: Lloyds ), ( Manufacturer Part Number: 7A17B ), ( Type: Transceiver ), ( Band: Cb )
The Lloyds 7A17B transistor transceiver is a versatile and high-performance component designed for use in CB radio applications, specifically on the 10-meter band. This transceiver features a compact design, making it an excellent choice for those looking to build or modify their CB radio systems.
The 7A17B transistor transceiver is a 7-transistor design, which includes an input transistor, two driver transistors, three power transistors, and a pair of output transistors. Additionally, it comes with an integrated 30A power MOSFET for improved power handling capabilities. This configuration provides excellent gain and linearity, ensuring clear and strong signals both in transmission and reception.
The input stage of the 7A17B transceiver features a low noise amplifier (LNA) that helps to boost weak signals and reduce background noise. The transistors used in the LNA are carefully selected for their high input impedance, low noise figure, and high gain. This results in a sensitive and responsive input that can effectively capture even the weakest signals.
The power amplifier stage of the 7A17B transceiver uses three high-power output transistors to deliver a robust and reliable output. These transistors are rated for a maximum continuous power dissipation of 30W each, ensuring that the transceiver can handle high power input and produce strong and clear signals. The power amplifier stage also includes a built-in output limiter to prevent damage to the transceiver or the antenna from over-powering.
The 7A17B transceiver is designed for easy integration into CB radio systems, with a conveniently located test point for adjusting various parameters, such as the biasing of the input and power amplifier stages. The transceiver also includes a BFO (Beat Frequency Oscillator) for fine-tuning the receiver frequency, ensuring accurate and clear reception.
The 7A17B transistor transceiver is a high-quality and reliable component that is ideal for CB radio applications. Its compact design, high performance, and ease of integration make it a popular choice among radio enthusiasts and hobbyists. Whether you're building a new CB radio system or modifying an existing one, the Lloyds 7A17B transistor transceiver is an excellent addition to your project.
The Lloyds 7A17B/7A17B-30A 10-transistor transceiver CB channel is a popular choice among CB radio users due to its durability, affordability, and decent performance. However, like any other radio equipment, it has its pros and cons.
Pros:1. Affordable: The Lloyds 7A17B/7A17B-30A is one of the most affordable 10-transistor CB radios available in the market.
2. Rugged Construction: The radio is known for its rugged construction, making it ideal for off-road and outdoor use.
3. Easy to Use: The radio is simple to use and does not require any specialized knowledge or training.
4. Good Audio Quality: The Lloyds 7A17B/7A17B-30A offers good audio quality, allowing users to clearly hear other CB radio transmissions.
5. Wide Coverage: The radio covers the entire CB frequency range, allowing users to communicate with other CB radio users over long distances.
Cons:1. Limited Features: The Lloyds 7A17B/7A17B-30A is a basic CB radio and does not offer any advanced features like noise reduction, RF gain, or squelch control.
2. Low Power Output: The radio has a relatively low power output of 4 watts, limiting its range and ability to penetrate obstacles.
3. Sensitivity: The radio is not very sensitive, which means it may not pick up weak signals as effectively as more expensive CB radios.
4. Lack of Accessories: The Lloyds 7A17B/7A17B-30A does not come with many accessories, such as a microphone or an antenna, which users may need to purchase separately.
Conclusion:The Lloyds 7A17B/7A17B-30A 10-transistor transceiver CB channel is an excellent choice for those who are looking for an affordable, rugged, and easy-to-use CB radio. Its good audio quality and wide coverage make it a reliable communication tool for off-road and outdoor activities. However, its limited features, low power output, and lack of accessories may be a drawback for some users.
Recommendation:If you are a casual CB radio user looking for an affordable and rugged radio for off-road or outdoor use, the Lloyds 7A17B/7A17B-30A 10-transistor transceiver CB channel is an excellent choice. However, if you require advanced features, high power output, or additional accessories, you may want to consider a more expensive CB radio.
CB Channel 9. Made in Japan. Walkies Talkie. I had no way to test if it transmitted.
Lloyds model 7A17B-30A 10 Transistor Black Transceiver. Powers on and seems to work OK.