BH76909GU-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Driver
Output Type:	--
Number of Circuits:	1
Slew Rate:	--
Current - Supply:	17mA
Current - Output / Channel:	30mA
Voltage - Supply, Single/Dual (±):	2.5 V ~ 3.45 V, ±1.25 V ~ 1.725 V
Mounting Type:	Surface Mount
Package / Case:	8-VFBGA, WLCSP
Supplier Device Package:	VCSP85H1
Base Part Number:	BH769*

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Linear Video Amps and ModulesLinear video amps and modules are used in a variety of applications and are typically higher-power devices compared to linear amplifiers. They are primarily used to amplify analog video signals with relatively low distortion. Some common types of linear video amps and modules include low-noise amplifiers, differential amplifiers, and wide dynamic range amplifiers.The BH76909GU-E2 is a linear video amp and module designed for specific applications. It is a differential amplifier designed to operate in a wide frequency range from DC to 2.5GHz, with a gain of up to 13dB and a noise figure (NF) of 1.2dB. It features excellent return loss performance and superior rejection of any external interference. It is extremely suitable for applications such as high-end satellite receivers, home entertainment systems, and surveillance systems.Working PrincipleThe BH76909GU-E2 operates according to a differential amplifier working principle which is based on two transistors connected in a way to eliminate all common-mode signals. The two transistors are biased with a common-emitter current sourced to their collector, while the DC voltage of the output is set by the resistor connected to their bases. The differential amplifier amplifies the difference between the two input signals.The differential amplifier works by providing two inputs and a single output. One of the inputs is typically a reference input with an equal current flowing through two transistors, while the other input provides the differentiating signal. When the differentiating signal changes, the current flowing through the two transistors also changes, which causes the voltage of the output to vary. The output voltage is then amplified and is able to produce the desired output signal.The BH76909GU-E2 operates at a wide frequency range because of its dual-stage design which allows a large gain with a high frequency response. It is also able to reduce external distortion by employing a high-impedance input configuration, as well as a high-density cascode structure which reduces the gain roll off of the wide-bandwidth amplifier. It also has a high-limiting circuitry to ensure the highest dynamic range.ConclusionThe BH76909GU-E2 is an ideal linear video amp and module for applications such as high-end satellite receivers, home entertainment systems, and surveillance systems. It operates according to a differential amplifier working principle, providing two inputs and a single output, and featuring a wide frequency range, high gain, excellent return loss performance, superior rejection of any external interference, and high-density cascode structure.

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