Series:	--
Packaging:	Bulk
Part Status:	Active
Frequency:	225MHz ~ 3.8GHz
P1dB:	--
Gain:	--
Noise Figure:	--
RF Type:	Cellular, DVB-H, HSDPA, ISDB-T, LTE, TD-LTE, TD-SCDMA, WiMAX, W-CDMA
Voltage - Supply:	1.7 V ~ 1.9 V, 3.1 V ~ 3.5 V
Current - Supply:	100mA, 840mA
Test Frequency:	225MHz ~ 3.8GHz
Package / Case:	64-VFQFN Exposed Pad
Supplier Device Package:	64-QFN (9x9)

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RF Amplifiers

SC1894A-00C13 application field and working principle

RF Amplifiers are electronic devices that increase the power of a radio signal in order to travel greater distances and achieve higher performance. The SC1894A-00C13 is specifically designed for cellular communication, providing a high gain and a wide linearity range in order to adapt to the various phases of a cellular network.The working principle of SC1894A-00C13 is based on a power amplifier design called the Doherty topology. This topology works by combining two amplifier stages—the conventional amplifier and a peak amplifier—in order to achieve high efficiency at all times, even when the signal level is high or low. By using the Doherty topology, the SC1894A-00C13 is able to maintain a low distortion rate.The SC1894A-00C13 is a power amplifier aimed at achieving high levels of efficiency and low noise for communication infrastructure applications. This power amplifier is capable of providing up to 35dB gain with a linear power range of up to +30dBm. This power amplifier utilizes a hybrid GaAs/SiGe heterojunction bipolar transistor (HBT) process with an advanced Doherty topology. The typical output power of the SC1894A-00C13 is adjustable depending on the desired application. For applications with low power requirements, the amplifier can be set to provide low power and low distortion. Conversely, for applications with high power requirements, the power amplifier is designed to provide a high-power output with maximum linearity.The SC1894A-00C13 also has been designed for low voltage operation, allowing it to be used in most battery-powered applications, such as portable wireless devices. Its typical operating voltage range is 1.8V to 5V, making it ideal for embedded applications. Moreover, the arrival of newer low-power technologies such as LTE and Wi-Fi has prompted the introduction of this power amplifier, which requires less voltage to deliver higher power.The SC1894A-00C13 has also been designed to deliver optimal signal reception. It features high noise-free signal transmission characteristics, allowing it to transmit a signal with very low distortion and minimal interference. Additionally, the lossless and low-level signal processing for fades and multi-carrier signals ensures high-performance performance in these scenarios. To summarize, the SC1894A-00C13 is a high-performance power amplifier for cellular communication applications. It combines efficient power usage and signal quality with low voltage operation to make it suitable for embedded and portable applications.

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