RFHA3942

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Frequency:	0Hz ~ 4GHz
P1dB:	--
Gain:	16.8dB
Noise Figure:	--
RF Type:	--
Voltage - Supply:	48V
Current - Supply:	300mA
Test Frequency:	4GHz
Package / Case:	2-Flatpack, Fin Leads, Flanged
Supplier Device Package:	RF360-2

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<p> RFHA3942 is an amplifier integrated circuit, also known as RF amplifier, which is commonly used in various RF electronic applications. It is suitable for low-power amplifier (LPA) applications such as RF amplifiers, RF receivers, RF transmitters and RF transceivers. In general, it can be used to amplify low-power signals for better radio frequency (RF) transmission and reception performance. </p><p>The RFHA3942 features a wide range of gain and bandwidth characteristics. It has a maximum gain of 15dB with a bandwidth of up to 30MHz while maintaining a noise figure of 3dB. It also features a high power output, with a maximum output power of 16dBm and a minimum of 3dBm. It is also able to support a wide range of input frequencies, from 500MHz to 6000MHz. </p><p>The RFHA3942 amplifier is designed using a non-inverting frequency feedback topology. It is composed of four main components - the input transistor, the emitter follower, the control transistor, and the common-source output transistor. The input transistor is used to provide a signal to the amplifier. It is followed by the emitter follower, which provides additional gain to the signal. The control transistor is used to set the gain of the amplifier, while the common-source output transistor is used to provide the output signal. </p><p>The working of the RFHA3942 amplifier is based on the feedback loop. It works by taking the input from the input transistor, amplifying it, and then providing it to the emitter follower. The emitter follower further increases the gain of the signal and then sends it to the control transistor. The control transistor is responsible for setting the gain of the amplifier, which is then sent to the output transistor. This output transistor then provides the output signal to the rest of the system. </p><p>The RFHA3942 is mainly used in RF electronic applications, such as RF amplifiers, RF receivers, RF transmitters and RF transceivers. It is capable of providing high power output, wide bandwidth, and low noise figure, making it suitable for applications such as base station transceivers, satellite communication links, industrial and medical control systems, and mobile radio transceivers. </p><p>In conclusion, the RFHA3942 amplifier integrated circuit is a versatile amplifier that can be used in many different RF electronic applications. Its wide range of gain and bandwidth characteristics, along with its low noise figure and high output power, make it suitable for many applications. </p>

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