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4. Configuring the SiTCXO-EB

SiTCXO1-EB

Power Supply

Ref Input

Si5348-EVB

Frequency Counter

or other MTIE TDEV Instrument

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.

UG364: SiTCXO1-EVB Evaluation Board User's Guide

Configuring the SiTCXO-EB

silabs.com

| Building a more connected world.

Rev. 0.1 | 5

Содержание SiTCXO1-EVB

Страница 1: ... 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 EVB FEATURES Dual Footprint capable of two TCXO sizes Power supply filtering Simple single ended output silabs com Buildin...

Страница 2: ...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 UG364 SiTCXO1 EVB Evaluation Board User s Guide Quick Start silabs com Building a more connected world Rev 0 1 2 ...

Страница 3: ...2 Top Layer View of Board Figure 2 1 Top Layer View of Board UG364 SiTCXO1 EVB Evaluation Board User s Guide Top Layer View of Board silabs com Building a more connected world Rev 0 1 3 ...

Страница 4: ...nal package size such as the Rakon P N E6518LF 12 8 MHz pictured below See 6 Schematic for example measurements carried out using this TCXO Figure 3 1 SiTCXO1 EB Shown Populated with a TCXO 3 1 Power Supply The power supply voltage and current requirements are listed in the manufacturers data sheet A 3 3 V 5 supply is required Also note the TCXO initial current can be on the order of 7mA Power sup...

Страница 5: ...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 UG364 SiTCXO1 EVB Evaluation Board User s Guide Configuring the SiTCXO EB silabs com Building a more connected world Rev 0 1 5 ...

Страница 6: ...n 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 UG364 SiTCXO1 EVB Evaluation Board User s Guide SiTCXO1 EB Functionality Test silabs com Building a more connected world Rev 0 1 6 ...

Страница 7: ...6 Schematic Figure 6 1 SiTCXO1 EB Schematic UG364 SiTCXO1 EVB Evaluation Board User s Guide Schematic silabs com Building a more connected world Rev 0 1 7 ...

Страница 8: ...NN TRBLK 2 TERM BLK CONN 1X2 TB 1729018 PHOENIX CONTACT 1 J2 SMA SMA SMA EDGE 3 142 0701 801 Johnson Compo nents 1 R3 39 0 Ω 1 10 W 1 Thick Film R0603 R0603L ERJ 3EKF39R0V Panasonic 1 R4 17 4 kΩ 1 16 W 1 Thick Film R0603 CR0603 16W 1742F Venkel 1 U1 E6518LF Stratum 3 3 3 TCXO OSC6N5X7 E6518LF E6518LF Rakon Not Installed Components 2 R1 R2 1 k 1 10 W 1 Thick Film R0603 CR0603 10W 1001F Venkel 2 TP1...

Страница 9: ...8 Layout Figure 8 1 Primary Silkscreen Figure 8 2 Primary Solder Mask UG364 SiTCXO1 EVB Evaluation Board User s Guide Layout silabs com Building a more connected world Rev 0 1 9 ...

Страница 10: ...Figure 8 3 Primary Side Figure 8 4 Secondary Side UG364 SiTCXO1 EVB Evaluation Board User s Guide Layout silabs com Building a more connected world Rev 0 1 10 ...

Страница 11: ...Figure 8 5 Secondary Solder Mask Figure 8 6 Primary Solder Paste UG364 SiTCXO1 EVB Evaluation Board User s Guide Layout silabs com Building a more connected world Rev 0 1 11 ...

Страница 12: ...ot imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Labs A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in si...

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