4448R-102M

DC Resistance (DCR) - Parallel:	4 mOhm Max
Height:	0.310" (7.87mm)
Size / Dimension:	0.530" L x 0.530" W (13.46mm x 13.46mm)
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Shielding:	Unshielded
DC Resistance (DCR) - Series:	16 mOhm Max
Series:	4448R
Current Rating - Series:	3.95A
Current Rating - Parallel:	7.9A
Tolerance:	±20%
Inductance - Connected In Series:	2µH
Inductance - Connected In Parallel:	470nH
Number of Coils:	2
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ArraysThe 4448R-102M is a multi-channel, monolithic amplifier array integrated circuit specifically designed for applications that require high-gain and wide-bandwidth operation. It consists of eight channels of high-gain, high-frequency, wide-bandwidth amplifiers that provide amplification over a wide range of frequencies, such as audio, video, cellular and digital communications.Each channel in the 4448R-102M is independently optimized to achieve the highest gain and widest bandwidth. They have an on-chip gain adjust, allowing users to change the gain without affecting the other channels. The amplifier array provides outstanding noise performance, enabling low distortion operation in a wide range of applications.The 4448R-102M is available in a wide variety of package types, such as SOIC, BGA, and LCC. It operates over a wide temperature range from -40°C to +125°C and is RoHS compliant.Signal TransformersThe 4448R-102M signal transformer is a multi-channel passive transformer designed for signal processing applications. It comprises eight independent channels that can operate at high frequencies and perform signal conditioning over a wide dynamic range. The signal transformer has excellent thermal performance, allowing continuous operation up to +125°C.The signal transformer is compatible with a variety of signal processing algorithms, such as noise filtering, signal conditioning, signal reconstruction, and synchronization. It has a low power consumption and is RoHS compliant.The signal transformer is available in various package types, such as SOIC, DIP and LCC. Each channel has a separate transformer network consisting of a primary winding and a secondary winding. The primary winding is connected to the gate of the primary MOSFET, which acts as an input impedance for the transformer. The secondary winding is connected to the source of the secondary MOSFET, which acts as the output of the transformer.The 4448R-102M signal transformer is designed to provide superior signal conditioning performance in low power, high frequency applications. Its high bandwidth and wide operating frequency range make it suitable for a variety of applications, such as digital communications, wireless communication, and video processing.Working PrincipleThe 4448R-102M amplifier array and signal transformer operate on the same principles. Each channel consists of an input MOSFET, an output MOSFET, and a transformer network. The input MOSFET acts as an input impedance for the amplifier, while the output MOSFET acts as an output impedance.Each channel of the amplifier array has its own adjustable gain, allowing users to adjust the gain of each channel independently. The gain of the amplifier array is set by adjusting the source-drain voltage of the input MOSFET.The signal transformer passes signals between the primary and secondary windings of the transformer network. As the signals pass through the transformer, they are amplified and conditioned. The signal transformer also provides filtering, blocking, and signal reconstruction.The 4448R-102M amplifier array and signal transformer offer excellent high-frequency performance and wide dynamic range. They are suitable for a variety of applications, such as audio, video, cellular, and digital communications.

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