SRF-1016

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Demodulator, Receiver
LO Frequency:	65MHz ~ 300MHz
RF Frequency:	65MHz ~ 300MHz
P1dB:	31dBm
Gain:	--
Noise Figure:	31dB
Current - Supply:	195mA
Voltage - Supply:	4.75 V ~ 5.25 V
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP

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RF Demodulators: SRF-1016 Application Field and Working Principle

The SRF-1016 is an RF demodulator designed for use in consumer electronics with a few primary applications. Features include small size, low power consumption, low distortion, wide operation frequency range, and high selectivity. It is used for applications such as frequency-shift keying (FSK) or phase modulation/demodulation (PM/DM) for short distance radio control systems and data transmission systems.The SRF-1016 is an integrated circuit chip specialized for receiving amplitude-modulated (AM) or frequency-modulated (FM) RF signals. It has a low power consumption, high-selectivity and low distortion. The device supports all currently used standards such as AM and FM. This device operates in frequencies from below 10 MHz to more than 1 GHz.The device consists of two sets of component blocks. The first is the RF section which consists of an RF Front-end, a VGA block, an AGC block, a Low-Noise Amplifier (LNA) block, a Mixer block, and a Low-Pass Filter (LPF) block. The second set is the Digital section which consists of a demodulator (DM) block, an ADC block, and a Digital Filtering block.The RF front-end has an RF amplifier stage, a VGA stage, and an AGC stage. The RF amplifier stage increases RF signal and eliminates any noise that may be on the RF signal. The VGA (Voltage Controlled Gain Amplifier) stage has a state-of-the-art variable gain control circuit, which provides a wide range of gain control. The AGC (Automatic Gain Control) stage monitors the RF signal and adjusts the gain of the VGA stage accordingly to maintain the signal-to-noise ratio (SNR) of the signal.The Low-Noise Amplifier (LNA) block is a critical component for low power consumption and high selectivity. It amplifies the signal to a level which is suitable for further processing in the mixer and LPF block. The Mixer block takes the signal from the LNA and frequency modulates it at the desired IF (Intermediate Frequency) for further processing in the DM block. The LPF block removes any unwanted frequencies from the signal.The Digital section of the SRF-1016 consists of the DM (Demodulator) block, the ADC (Analog-to-Digital Converter) block, and a Digital Filtering block. The DM block is responsible for demodulating the IF signal and extracting the data from the signal. The ADC block converts the analog signal (which is the output of the DM block) to a digital signal in order for further digital processing. Finally, the Digital Filtering block performs additional digital filtering to remove any unwanted signal components.The SRF-1016 is a highly integrated RF demodulator designed for use in applications such as AM / FM radio, short range radio control systems, low power radio remote control systems, and data transmission systems. It has very low power consumption and high selectivity, and can operate in frequencies from below 10 MHz to more than 1 GHz. The device is small in size, making it ideal for use in consumer electronics.

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