SiTime SiT6084EB User Manual

SiT6084EB Evaluation Board User Manual

Contents

1 Introduction ............................................................................................................................................. 1

2 I/O Descriptions ....................................................................................................................................... 2

3 EVB Usage Descriptions ........................................................................................................................... 2

3.1 EVB Configurations........................................................................................................................ 2

3.2 Waveform Capturing Using Active Probe ..................................................................................... 3

3.3 Measuring Jitter and Phase Noise ................................................................................................. 4

3.4 Current Measurement .................................................................................................................. 4

Appendix A .................................................................................................................................................... 5

Introduction

The SiT6084EB evaluation board (EVB) is designed for use with SiTime's XO in the 4-pin, 7.0 x 5.0 mm

packages and LVCMOS output type.

The SiT6084EB supports the following products:

Base Part Number

SiT1602

SiT8008

SiT8009

SiT8918

SiT8919

SiT8920

SiT8921

SiT8924

SiT8925

SiT8944

SiT8945

SiT8208

SiT8209

SiT1618

SiT5000

SiT5001

SiT5002

SiT9003

SiT6723EBB manual Rev 1.0

Type

Automotive & High Temp XO

Endura Automotive &

High Temp XO

Endura Automotive &

High Temp XO

TCXO

SSXO

Page 1 of 8

Output frequency

3.57 MHz - 77.76 MHz

1 MHz - 110 MHz

115 MHz - 137 MHz

1 MHz - 110 MHz

115 MHz - 137 MHz

1 MHz - 110 MHz

115 MHz - 137 MHz

1 MHz - 110 MHz

115 MHz - 137 MHz

1 MHz - 110 MHz

115 MHz - 137 MHz

1 MHz - 80 MHz

80 MHz - 220 MHz

7.3728 MHz - 48 MHz

10 MHz - 40 MHz

1 MHz - 80 MHz

80 MHz - 220 MHz

1 MHz - 110 MHz

Package

7.0 x 5.0 QFN

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Table of Contents

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Summary of Contents for SiTime SiT6084EB

Page 1: Table Of Contents
3.4 Current Measurement ........................4 Appendix A ..............................5 Introduction The SiT6084EB evaluation board (EVB) is designed for use with SiTime’s XO in the 4-pin, 7.0 x 5.0 mm packages and LVCMOS output type. The SiT6084EB supports the following products:...
Page 2: O Descriptions
EVB Usage Descriptions EVB Configurations SiT6084EB can be configured to support three configuration modes including XO/TCXO with output enable (OE), XO in Standby (ST), Spread Disabled (SD), Voltage Control (VC) or Digital Control (DC). Oscillator output can be accessed in several ways listed in Table 2. Table 2 describes components configuration to support all output configurations.
Page 3: Waveform Capturing Using Active Probe
For waveform measurement, it's recommended to remove resistor R7. Please refer to Figure A2 for test point locations on the SiT6084EB. If the soldering probe is used, it is recommended to use C7 capacitor pads or solder it over it if necessary (Figure SiT6723EBB manual Rev 1.0...
Page 4: Measuring Jitter And Phase Noise
Figure 1: Recommended points for soldering probe head More details on the SiTime recommendations on the oscillator’s output probing can be found in AN10028. Measuring Jitter and Phase Noise For Jitter measurements or phase noise measurements with evaluation boards, SiTime recommends using SMA support Configuration to connect the device output directly to external equipment, such as Time Interval Analyzer (TIA) or high-bandwidth real-time oscilloscope.
Page 5 SiT6084EB Evaluation Board User Manual Appendix A 10uH 10uF Sense 0.1uF 0.01uF 0.1uF PIN1 J1 SMA edge mount PIN1 Pin1 NL R7 0.1uF SiTime_4pin PIN1 SMA edge mount Figure A1: SiT6084EB electrical schematics Page 5 of 8 www.sitime.com...
Page 6 SiT6084EB Evaluation Board User Manual Table A1: Bill of Materials (BOM) Reference Description SMD component size Value Designators Capacitors 0603 10uF Capacitors 0603 C3, C5, C6 Capacitors 0603 0.1uF Capacitor 0402 0.01uF Capacitor 0402 bidirectional 0603 protection diode Inductance 0805...
Page 7 SiT6084EB Evaluation Board User Manual Probe test points Signal VDD sense Figure A2: SiT6084EB layout SiT6723EBB manual Rev 1.0 Page 7 of 8 www.sitime.com...
Page 8 © SiTime Corporation, December 2023. The information contained herein is subject to change at any time without notice. SiTime assumes no responsibility or liabi lity for any loss, damage or defect of a Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii) unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress.

SiTime SiT6084EB User Manual

Table of Contents

Introduction

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Summary of Contents for SiTime SiT6084EB

Page 1: Table Of Contents

Page 2: O Descriptions

Page 3: Waveform Capturing Using Active Probe

Page 4: Measuring Jitter And Phase Noise

Table of Contents