LT5557EUF#TRPBF

Series:	LT5557
Packaging:	Tape & Reel (TR)
Part Status:	Active
RF Type:	Cellular, CDMA, TD-SCDMA, UMTS, WCDMA
Frequency:	400MHz ~ 3.8GHz
Number of Mixers:	1
Gain:	3.3dB
Noise Figure:	11.7dB
Secondary Attributes:	Down Converter
Current - Supply:	92mA
Voltage - Supply:	2.9 V ~ 3.9 V
Package / Case:	16-WQFN Exposed Pad
Supplier Device Package:	16-QFN (4x4)
Base Part Number:	LT5557

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Introduction

The LT5557EUF#TRPBF is an RF mixer component, and it is designed and manufactured by Texas Instruments. It is an active RF mixer, which is designed for applications like SSB/CW and FM receivers. This component enables conversion from RF input signals to lower frequencies at IF output. This article will discuss the application field and working principle of the component LT5557EUF#TRPBF.

Application Field

The LT5557EUF#TRPBF is an RF mixer component for SSB/CW and FM receivers. It is ideal for applications that require small signal conversion, as it has a good performance at medium to low frequencies such as SSB/CW and FM receivers. It also has a high gain, low noise level and low harmonic level, which make it suitable for these applications. The LT5557EUF#TRPBF can be used in a wide range of RF applications such as cable television, radio receivers, cellular base stations, radio transceivers and more. It is a low-cost and low-power RF mixer suitable for applications in these fields.

Working Principle

The LT5557EUF#TRPBF is an active RF mixer component, which operates on the principle of reactance. The reactance is a phenomenon where a circuit element exhibits a simultaneous opposition to both AC and DC currents. The reactance of an inductor or a capacitor increases with frequency, which is the basis of the operating principle of the LT5557EUF#TRPBF.The LT5557EUF#TRPBF is designed to mix the RF input signal with an oscillator signal to produce an IF output signal. This is achieved by the two reactive elements in the IC: the inductor and the capacitor. The RF input signal is applied to the inductor, while the oscillator signal is applied to the capacitor. The two signals mix in the reactive elements, and the output is the IF signal.The LT5557EUF#TRPBF is designed to run at a very low current, thereby providing low-power operation. It has a high gain, low noise level and low harmonic level, making it ideal for use in SSB/CW and FM receivers.

Conclusion

The LT5557EUF#TRPBF is an active RF mixer component designed and manufactured by Texas Instruments. It is designed for applications like SSB/CW and FM receivers, and is ideal for low-power and cost-effective at medium to low frequencies. It has a high gain, low noise level and low harmonic level, making it suitable for these applications. The operating principle of the LT5557EUF#TRPBF is based on the reactance phenomena of inductors and capacitors, and it is designed to mix the RF input signal with an oscillator signal to produce an IF output signal.

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