Portable AM Receiver Using ZN414 Integrated Circuit
Not rated
19,731
The circuit demonstrates the application of the ZN414 integrated circuit (IC) to create a compact AM radio receiver. The ZN414 IC is a combination of a transistor and a tuned radio frequency (TRF) circuit.
The ZN414 IC is specifically designed for low-power AM radio applications, providing a simple and efficient solution for building a radio receiver. It integrates the essential components needed for signal amplification, demodulation, and audio output, making it ideal for hobbyists and educational projects.
The circuit typically consists of the ZN414 IC, an antenna, a tuning capacitor, a variable resistor for volume control, and a speaker or earphone for audio output. The antenna captures AM radio signals, which are then tuned using the variable capacitor to select the desired frequency. The ZN414 amplifies the incoming signal and demodulates it, allowing the audio signal to be extracted and sent to the output device.
Powering the circuit can be achieved using a small battery, ensuring portability. The ZN414 operates efficiently at low voltages, making it suitable for battery-operated devices.
In summary, the ZN414 AM radio receiver circuit exemplifies a straightforward design approach to building a functional radio receiver, utilizing the integrated capabilities of the ZN414 IC to minimize component count and complexity while maintaining performance in receiving AM broadcasts.The circuit exemplifies the use of ZN414 IC to produce a handy AM radio receiver. ZN414 IC a composition of transistor tuned radio frequency (TRF) circui.. 🔗 External reference
The contact resistance measuring circuit is illustrated in the figure. It primarily consists of a constant current circuit and an amplifying circuit. Operational amplifier IC1 is configured as a voltage follower, and the voltage across the load equates to...
A simple audio compressor is designed using the SSM2165 integrated circuit (IC). There is limited explanation available regarding the schematic of this compressor circuit; however, special attention should be given to the capacitor used.
The audio compressor circuit utilizing the...
The apparatus consists of a cavers point detection circuit and a triggering display circuit. The cavers instrument functions as a test probe, which, when held in one hand, can detect acupuncture points by touching the skin with another probe....
Modify a zapper circuit (similar to the Hulda Clark Zapper) to produce two different frequencies. One switch should be used to set the pulse to 15Hz, and another switch to set it to 30Hz. The nominal frequency for this...
This circuit is a musical doorbell. When the button S1 is pressed, a short melody plays. If the button is pressed multiple times in quick succession or held down, a different melody is generated, and the melody plays for...
The MC1411 series is a Darlington driver with a compact, reliable internal structure. It is particularly suited for high-voltage applications, functioning effectively as a high-voltage peripheral driver. This driver can directly control relays, lights, and other loads. It is...
We use cookies to enhance your experience, analyze traffic, and serve personalized ads.
By clicking "Accept", you agree to our use of cookies.
Learn more