ALM-2812-TR1G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Frequency:	2.4GHz ~ 2.5GHz, 4.9GHz ~ 6GHz
P1dB:	-5.8dBm
Gain:	16.7dB
Noise Figure:	0.8dB
RF Type:	WLAN
Voltage - Supply:	3.6V
Current - Supply:	15mA
Test Frequency:	2.45GHz
Package / Case:	12-SMD Module, No Lead
Supplier Device Package:	12-MCOB (3x3)

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RF Amplifiers: ALM-2812-TR1G Application Field and Working Principle

The ALM-2812-TR1G is a high performance RF amplifier operating in L-band and beyond. This device is widely used in communication systems for signal conditioning applications such as amplifying cellular and satellite signals. ALM-2812-TR1G also offers excellent power handling characteristics with its output power rated up to more than 17 dBm. It is a low noise amplifier designed to improve the signal-to-noise ratio and gain bandwidth to ensure better signal quality for a wide range of applications.The ALM-2812-TR1G application field includes GSM, CDMA, HSDPA, EDGE, LTE and UMTS bands. It is an ideal product for use in mobile communication infrastructure, base station systems, and distributed mobile communication systems. This device also finds applications in military, navigation, transport, space, airborne, and maritime communications.The operating principle of ALM-2812-TR1G consists of different stages. Its working begins with a low noise amplifier (LNA) which amplifies the signal, after which a filter is used to reduce any undesirable signal components. Then, depending on the manual gain control setting, the signal is amplified further by a variable gain amplifier (VGA). Finally, the output is filled through a power amplifier stage.The LNA stage boosts the incoming low level signal and further enhances signal-to-noise ratio (SNR). It has a typical noise figure of 1.5 dB and a gain of 15dB. This stage is also capable of reducing interference such as cross-coupling and intermodulation. After the signal is passed through the filter, it is then amplified to the desired output level by the VGA stage. The VGA stage is a variable amplifier with an adjustable gain range of 0-20dB up to an output power of 17dBm. In addition to signal gain, the VGA stage also controls output power and noise figure. Finally, the signal is amplified further by the power amplifier stage for higher output power and better handling capabilities.In summary, the ALM-2812-TR1G is a high performance RF amplifier with excellent power handling capabilities. It is an ideal product for use in cellular and satellite communications due to its low noise figure, signal-to-noise ratio, and gain bandwidth. The ALM-2812-TR1G works on a three-stage process of low noise amplification (LNA), variable gain amplification (VGA), and power amplification. This device is highly efficient and reliable in its operation and is suitable for military, navigation, transport, space, airborne, and maritime communications.

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