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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 485

Using a low power SOT-23 oscillator as a VCO

Nello Sevastopoulos

Abstract

The LTC6900, a precision low power oscillator that is extremely easy to use and occupies very little PC board space, is described.

Keywords

Low power oscillator

VCO

LTC6900

Introduction

The LTC6900 is a precision low power oscillator that is extremely easy to use and occupies very little PC board space. It is a lower power version of the LTC1799.

The output frequency, fOSC, of the LTC6900 can range from 1kHz to 20MHz—programmed via an external resistor, RSET, and a 3-state frequency divider pin, as shown in Figure 485.1.

image
Figure 485.1 Basic Connection ...

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