E-TA2012 T 2DB N8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Attenuation Value:	2dB
Frequency Range:	0Hz ~ 3GHz
Power (Watts):	63mW
Impedance:	50 Ohms
Package / Case:	0805 (2012 Metric)

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Introduction

Attenuators are signal processing devices that reduce the amplitude of an electrical signal. They are often used in radio frequency communications to reduce the power of a signal without affecting its frequency, shape, or amplitude envelope. The E-TA2012 T 2DB N8 is a high-performance squelch attenuator that is capable of controlling the signal power input depending on the application requirements.

Application Field

The E-TA2012 T 2DB N8 is used in a wide variety of applications including wireless communications equipment, radio receivers, cable and optical communications systems, defense and security systems, and broadcast systems. The attenuator is capable of attenuating signals over a wide frequency range from 150MHz to 1.2GHz, providing superior performance for high speed signal processing.The E-TA2012 T 2DB N8 can also be used for signal conditioning, such as reducing signal amplitude for low-noise applications or reducing the amplitude of high-power signals to comply with regulatory requirements. The E-TA2012 T 2DB N8 can also be used as a voltage variable attenuator in a variety of systems, providing adjustable gain control at high frequencies.

Working Principle

The E-TA2012 T 2DB N8 is a bidirectional, voltage variable attenuator that works by varying the voltage applied to an impedance network. The impedance network is composed of two series capacitors, one series resistor, and one adjustable resistor. The amount of attenuation is determined by the ratio of the adjustable resistor to the fixed resistor.When the voltage applied to the adjustable resistor is increased, the resistance decreases, resulting in a lower impedance. This reduces the amount of attenuation and increases the gain of the signal. When the voltage is decreased, the resistance correspondingly increases, resulting in a higher impedance, more attenuation, and a lower gain for the signal.

Conclusion

The E-TA2012 T 2DB N8 is a bidirectional, voltage variable attenuator designed for a wide range of applications, including wireless communications equipment, radio receivers, cable and optical communications systems, defense and security systems, and broadcast systems. Its ability to provide adjustable gain control makes it suitable for applications such as reducing signal amplitude for low-noise applications and for complying with regulatory requirements. The E-TA2012 T 2DB N8 attenuator works by varying the voltage applied to an impedance network composed of two series capacitors, one series resistor, and one adjustable resistor.

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