CX24132-12Z,557

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RF receivers are receivers that receive and process radio frequency (RF) signals. Commonly used among consumer electronics, RF receivers are found in a wide range of applications, including automotive, marine, aerospace, industrial and wireless communications. CX24132-12Z, 557 is an example of an RF receiver. This section will discuss the application field and working principle for this specific receiver.

Application Field of CX24132-12Z,557

CX24132-12Z,557 receivers are intended for use in applications such as UHF-band radios, FM radios, and wireless local area networks (WLANs). This receiver is particularly suitable for UHF-band receivers due to its wide operating frequency range (440-950 MHz). The dynamic range of this receiver is excellent at 90 dB, making it ideal for UHF-band applications. The low power consumption of this receiver also makes it suitable for energy constrained applications.

This receiver can also be used in FM radio applications, as it supports tuning from 88 MHz to 108 MHz. Additionally, this receiver offers low current consumption (3.1 mA) for FM reception, which makes it more suitable for battery powered applications. CX24132-12Z,557 receivers are also suitable for WLAN applications. Its built-in DSP enhances performance for WLAN 802.11b/g standards, and it supports two transmission speeds of 1 Mbps and 2 Mbps.

Working Principle of CX24132-12Z,557

The CX24132-12Z,557 receiver is a single superheterodyne superregenerative receiver that performs the functions of frequency conversion, frequency selection, and signal detection. It consists of a mixer, 40 kHz oscillator, converter amplifier, pre-selector, IF amplifier, demodulator, power amplifier, and output amplifier.

The incoming RF signal is converted to an intermediate frequency (IF) by the mixer. The resulting IF signal is amplified by the converter amplifier and filtered by the pre-selector. The IF amplifier amplifies the filtered IF signal, and the output from the IF amplifier is sent to the demodulator. The demodulator demodulates the IF signal to produce a baseband signal, which is then amplified by the power amplifier and output amplifier.

In addition to the above functions, the CX24132-12Z,557 receiver also includes a low power consumption active recovery circuit that rapidly reduces the recovery time and enhances the sensitivity of the receiver. This circuit is located between the IF amplifier and the demodulator, and it operates by cutting off the suppressing harmonic frequencies that are generated by the demodulating process.

Conclusion

CX24132-12Z,557 receivers are suitable for use in a wide range of applications, including UHF-band radios, FM radios, and WLANs. This receiver offers excellent performance with low dynamic range and low power consumption. Additionally, it includes a low power consumption active recovery circuit that enhances its sensitivity. With its broad range of features, the CX24132-12Z,557 receiver is an ideal solution for many RF applications.

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