Current - Receiving:	--
Supplier Device Package:	48-HVQFN (7x7)
Package / Case:	48-VFQFN Exposed Pad
Operating Temperature:	--
Voltage - Supply:	--
Features:	--
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Data Interface:	PCB, Surface Mount
Series:	--
Applications:	Satellite Receiver
Modulation or Protocol:	--
Data Rate (Max):	--
Sensitivity:	--
Frequency:	--
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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RF Receivers - CX24133-12Z, 518 Application Field and Working Principle

Radio Frequency (RF) receivers are a class of electronic device that play a critical role in wireless telecommunication by receiving signals from radio transmitters and converting them into audio, video or digital data. The CX24133-12Z, 518 is a RF receiver designed for satellite television applications. It is a fully integrated, single-chip tuner with high performance and low power consumption. This article will discuss the application field of the CX24133-12Z, 518 and its working principle.

Application Field of CX24133-12Z, 518

The CX24133-12Z, 518 is an intermediate-frequency (IF) receiver designed for single-channel, satellite television applications. It is capable of receiving a wide range of broadcast standards, including: ATSC, DVB-C, DVB-T2, and ISDB-T. It also supports modulation formats such as: QPSK, VSB, 64-QAM, and 256-QAM.The CX24133-12Z, 518 is implemented in a compact 8-pin IC package, making it ideal for space-constrained applications such as digital televisions, set-top boxes, and satellite receivers. It supports digital UHF/VHF input bands and up/down conversion to Intermediate-Frequency (IF). The wide range of broadcast standards and modulation formats allow the receiver to be used in a wide variety of applications, from home entertainment to commercial broadcast.

Working Principle of CX24133-12Z, 518

The CX24133-12Z, 518 is based on the architectures and principles of intermediate frequency (IF) receiver. In this type of receiver, the signal is first converted to an intermediate frequency (IF) by mixing it with a local oscillator (LO) signal. The IF signal is then amplified, filtered, and demodulated to obtain the original signal.The CX24133-12Z, 518 is equipped with a frequency doubler, which is used to double the frequency of the local oscillator and generate a higher frequency signal for the mixer. This allows the use of a lower-frequency LO signal, resulting in lower power consumption. The CX24133-12Z, 518 has two gain control loops, an AGC loop and an VGA loop, to ensure optimal reception of the incoming signal. The AGC loop adjusts the overall gain of the receiver, while the VGA loop compensates for signal variations at different frequencies by providing a linear frequency-response gain adjustment. The CX24133-12Z, 518 also supports adaptive pre-distortion to reduce distrotion and improve signal quality. With this feature, the receiver is able to compensate for distortions caused by non-linearities in the RF receiver’s front-end.

Conclusion

The CX24133-12Z, 518 is a single-chip RF receiver designed for use in satellite television applications. It is capable of receiving a wide range of broadcast standards, including: ATSC, DVB-C, DVB-T2, and ISDB-T. It is also capable of supporting modulation formats such as: QPSK, VSB, 64-QAM, and 256-QAM. The receiver operates on the principle of intermediate frequency (IF) reception. It is equipped with a frequency doubler to increase the LO signal, two gain control loops, an AGC loop and a VGA loop, as well as adaptive pre-distortion to reduce signal distortion.

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