M3933/25-06N

Series:	--
Packaging:	Bulk
Part Status:	Active
Attenuation Value:	6dB
Frequency Range:	0Hz ~ 2GHz
Power (Watts):	2W
Impedance:	50 Ohms
Package / Case:	SMA In-Line Module

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Introduction

Attenuators are devices that reduce the amplitude, peak-to-peak value, or power of a signal, either passive or active. They are widely used in a variety of applications, ranging from audio and radio communication to test equipment and instrumentation. The M3933/25-06N is a type of attenuator used to reduce the signal amplitude of a radio frequency (RF) signal. It has a wide operating bandwidth from DC to 6GHz and a maximum attenuation range from 0dB to 25dB. This article will discuss the application field and working principle of the M3933/25-06N attenuator.

Application Field of M3933/25-06N

The M3933/25-06N attenuator is designed for a broad range of applications, including RF and microwave systems. Its wide operating bandwidth gives it the ability to be used in cellular, cordless, trunking, point-to-point, satellite, Wi-Fi, and various other RF communication systems. Its application also expands to test and measurement, calibration, antenna systems, and materials for radar and satellite systems.

Design and Characteristic

The M3933/25-06N attenuator is a 3-bit digital attenuator which consists of three attenuator elements. It is constructed with a metal-insulator-metal design, using a high performance, low temperature coefficient and high thermal stability ceramic substrate as the insulator. The chip size of the attenuator is 2mm x 2mm and the pitch size is 0.4mm. It has a wide operating bandwidth of DC to 6GHz, a maximum attenuation of 25dB, a maximum VSWR of 1.2:1, and an operation temperature range from -40°C to 85°C.

Working Principle of M3933/25-06N

The M3933/25-06N attenuator is designed with a three-bit digital control circuit, which allows for both digital and analog control. This is achieved by using three resistors, each set to a different value, to create the attenuation. A binary control number is applied to the digital input pins, which selects 3 different resistance values, thus generating a 3-bit variable attenuator value from 0-25dB. The three resistors are connected in series and an input signal passes through them in order, thus generating an attenuation of the signal. For example, if a binary number of 000 is applied to the 3-bit control pins, no attenuation will be applied to the signal. If a binary number of 111 is applied to the 3-bit control pins, 25dB attenuation will be applied to the signal.

Conclusion

The M3933/25-06N is a type of attenuator widely used in a variety of applications, from audio and radio communication to test equipment and instrumentation. Its wide operating bandwidth and maximum attenuation range make the M3933/25-06N an ideal choice for various RF applications. The attenuator is constructed with a metal-insulator-metal design, using a ceramic substrate as the insulator. The three-bit digital control circuit is the main feature of the M3933/25-06N, allowing for both digital and analog control. The three resistors connected in series are used to generate an attenuation value of 0-25dB.

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