From Silicon Labs
This document applies to Si4702/03-C Firmware 19 and greater. Worldwide FM band support (76-108 MHz). Digital low-IF receiver. Frequency synthesizer with integrated VCO. Seek tuning. Automatic frequency control (AFC). Automatic gain control (AGC). Excellent overload immunity. Signal strength measurement. Programmable de-emphasis (50/75 µs). Adaptive noise suppression. Volume control. Line-level analog output. 32.768 kHz reference clock. 2-wire and 3-wire control interface. 2.7 to 5.5 V supply voltage. Integrated LDO regulator allows direct connection to battery. 3 x 3 mm 20-pin QFN package. Pb-free/RoHS compliant. RDS/RBDS Processor (Si4703). Integrated crystal oscillator
Topics of Interest
4.1. Introduction The impact of low-voltage design is degradation in speed, because of limited driving capability, and in signal-to-noise ratio (SNR), because of the reduced signal swing. In...
This chapter introduces the fractional- N synthesizer, which is also aimed at GSM applications with a supply voltage of 1.5 V. The synthesizer employs a switchable-capacitor array to tune the output...
A frequency synthesizer by itself is a complicated system consisting of many building blocks connected in a feedback loop. Specifically, as shown in Fig. 2.7, these building blocks include a...
TB097 Interfacing a Micro Crystal MS1V-T1K 32.768 kHz Tuning Fork Crystal to a PIC16F690/SS SCHEMATIC DIAGRAM Author: Steven Bible Microchip Technology Inc. The schematic for the circuit is shown in...
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