CT3369A-14

Series:	--
Packaging:	Bulk
Part Status:	Active
Attenuation Value:	14dB
Frequency Range:	0Hz ~ 4GHz
Power (Watts):	250W
Impedance:	50 Ohms
Package / Case:	BNC In-Line Module

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Attenuators are electrical components that are used to reduce the power of a signal without distorting the signal. The CT3369A-14 is one such attenuator developed by Anritsu Corporation. It is a Voltage Variable Attenuator with a 0.3dB step size and 14 bit resolution. It is designed to handle RF frequencies up to 10 GHz and is suitable for a variety of RF/microwave applications such as cellular and Wi-Fi.The CT3369A-14 is well-suited for high power applications and can handle up to 40 W of average power with peaks of up to 200 W. It achieves a high power handling capability by using high thermal conductivity aluminum and a well-designed cooling channel. The package design confines the heat generated by the device, so it dissipates directly out of the package without heating up surrounding components.This high performance attenuator features an input and output control logic which provides high linearity and repeatability. The high linearity ensures that the attenuation varies with the applied voltage in a predictable manner, while the repeatability ensures that the same settings will produce the same attenuation even in different operating conditions.The working principle of the CT3369A-14 is based on the transmission line theory. It works by delivering a constant power to the input and output ports and adjusting the signal voltage between them. This is done using the transmission line structure of the device which is made up of a reference voltage source, a resistor network, a temperature compensation circuit, and an attenuation circuit. The attenuation circuit is composed of two transistor pairs, one for the input and one for the output. Each transistor pair is connected to one side of the reference voltage source and one side of the resistor network.The resistor network determines the attenuation of the signal and the reference voltage affects the current flow through the transistor pairs. The temperature compensation circuit compensates for any variations in the reference voltage due to temperature changes. This ensures that the device maintains an accurate and consistent attenuation across a variety of temperatures.The CT3369A-14 provides a high level of performance and durability making it suitable for a wide range of applications. Its precise attenuation control and wide power handling capability make it ideal for RF/microwave, cellular, Wi-Fi, and other application fields. It is a reliable and cost-effective solution for attenuating RF/microwave signals.

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