autodyne 1

Autodyne is a term used to describe a heterodyne radio device where a single tube functions simultaneously as both an oscillator and a detector.

The autodyne radio circuit is a specialized design that combines the functions of signal generation and detection within a single active component, typically a vacuum tube or a transistor. In this configuration, the oscillator generates a radio frequency (RF) signal that is mixed with the incoming radio signal. The resulting heterodyning process produces intermediate frequencies (IF) that can be easily processed.

In a basic autodyne circuit, the oscillator's frequency is slightly offset from the frequency of the incoming signal. This offset creates a beat frequency, which is the difference between the two frequencies. The tube's dual functionality allows for efficient signal processing, as it eliminates the need for separate oscillator and detector stages, thereby simplifying the overall design and reducing component count.

The design typically includes a tuned circuit, which is crucial for selecting the desired frequency and ensuring stability. The output of the circuit can be further filtered and amplified to improve signal quality. The autodyne configuration is particularly advantageous in applications where space and power efficiency are critical, such as in portable radio receivers.

Overall, the autodyne radio device exemplifies a compact and efficient approach to radio signal processing, leveraging the capabilities of a single active component to achieve both oscillation and detection.autodyne n. A heterodyne radio device in which one tube serves simultaneously as oscillator and detector.. 🔗 External reference