Silicon Laboratories SiTCXO1-EVB User Manual
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Silicon Laboratories SiTCXO1-EVB User Manual

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UG364: SiTCXO1-EVB Evaluation Board
User's Guide
The Silicon Labs SiTCXO1-EVB (kit) is used to help evaluate Silicon Labs Jitter Attenu-
ator and Network Synchronization products for Stratum 3/3E, IEEE 1588 and G.8262
SyncE applications. This board is often used with the Si5348 network synchronizer
clock as the reference input. This board can come with an option of one of two Rakon
TCXOs. U1, option 1 is Rakon's E6518LF 5 mm x 7 mm part (pictured below) and U2,
option2 is Rakon's smaller RPT5032A 3.2 mm x 5 mm part.
silabs.com | Building a more connected world.
EVB FEATURES:
• Dual Footprint capable of two TCXO sizes.
• Power supply filtering
• Simple single ended output
Rev. 0.1

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Summary of Contents for Silicon Laboratories SiTCXO1-EVB

  • Page 1 UG364: SiTCXO1-EVB Evaluation Board User's Guide The Silicon Labs SiTCXO1-EVB (kit) is used to help evaluate Silicon Labs Jitter Attenu- ator and Network Synchronization products for Stratum 3/3E, IEEE 1588 and G.8262 EVB FEATURES: SyncE applications. This board is often used with the Si5348 network synchronizer clock as the reference input.

  • Page 2: Quick Start

    UG364: SiTCXO1-EVB Evaluation Board User's Guide Quick Start 1. Quick Start 1. Connect power 3.3V to J1, and note that start-up current could be on the order of 7-8 mA. 2. Connect SiOCXO1-EB output, J2, to the Si5348 REF clock input using the short SMA cable provided with the EVB kit.

  • Page 3: Top Layer View Of Board

    UG364: SiTCXO1-EVB Evaluation Board User's Guide Top Layer View of Board 2. Top Layer View of Board Figure 2.1. Top Layer View of Board silabs.com | Building a more connected world. Rev. 0.1 | 3...

  • Page 4: Functional Description

    UG364: SiTCXO1-EVB Evaluation Board User's Guide Functional Description 3. Functional Description The SiTCXO1-EB is used in conjunction with Silicon Labs precision timing devices to facilitate characterization. The SiTCXO1-EB was designed to maximize output termination configurations as well as optional control voltage terminations. Resistors and capacitors are 0603, which makes it simple to remove and add various values.

  • Page 5: Configuring The Sitcxo-Eb

    UG364: SiTCXO1-EVB Evaluation Board User's Guide Configuring the SiTCXO-EB 4. Configuring the SiTCXO-EB Frequency Counter SiTCXO1-EB or other MTIE TDEV Instrument Ref Input Power Supply Si5348-EVB Figure 4.1. SiTCXO1-EB Configured with Si5348 EVB The connection between the SiTCXO-EB and Si5348 EVB should be kept as short as possible. It is recommended to use a UPS Power Supply back-up for long term testing.

  • Page 6: Sitcxo1-Eb Functionality Test

    UG364: SiTCXO1-EVB Evaluation Board User's Guide SiTCXO1-EB Functionality Test 5. SiTCXO1-EB Functionality Test 1. Connect power to J1 (3.3 V). 2. Connect SiTCXO1-EB Output, J2, to an oscilloscope (terminate into 50 Ω). 3. Verify that the red LED is illuminated, the current draw matches closely to the specs, and the output matches the TCXO’s data sheet.
  • Page 7 UG364: SiTCXO1-EVB Evaluation Board User's Guide Schematic 6. Schematic Figure 6.1. SiTCXO1-EB Schematic silabs.com | Building a more connected world. Rev. 0.1 | 7...

  • Page 8: Bill Of Materials

    UG364: SiTCXO1-EVB Evaluation Board User's Guide Bill of Materials 7. Bill of Materials Table 7.1. Bill of Materials Value Rating Voltage Type PCB Footprint Mfr PN 10 µF 10 V ±10% TANT C3216 TA010TCM106KA Venkel C2, C4 0.1 µF 10 V ±10%...
  • Page 9 UG364: SiTCXO1-EVB Evaluation Board User's Guide Layout 8. Layout Figure 8.1. Primary Silkscreen Figure 8.2. Primary Solder Mask silabs.com | Building a more connected world. Rev. 0.1 | 9...
  • Page 10 UG364: SiTCXO1-EVB Evaluation Board User's Guide Layout Figure 8.3. Primary Side Figure 8.4. Secondary Side silabs.com | Building a more connected world. Rev. 0.1 | 10...
  • Page 11 UG364: SiTCXO1-EVB Evaluation Board User's Guide Layout Figure 8.5. Secondary Solder Mask Figure 8.6. Primary Solder Paste silabs.com | Building a more connected world. Rev. 0.1 | 11...
  • Page 12 Trademark Information Silicon Laboratories Inc.® , Silicon Laboratories®, Silicon Labs®, SiLabs® and the Silicon Labs logo®, Bluegiga®, Bluegiga Logo®, Clockbuilder®, CMEMS®, DSPLL®, EFM®, EFM32®, EFR, Ember®, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZRadio®, EZRadioPRO®, Gecko®, ISOmodem®, Micrium, Precision32®, ProSLIC®, Simplicity Studio®, SiPHY®, Telegesis, the Telegesis Logo®, USBXpress®, Zentri, Z-Wave, and others are trademarks or...

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