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dc1705cfb

DEMO MANUAL DC1705C

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2012

LT REV B 1114 • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following 

AS IS

 conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for 

ENGINEERING DEVELOPMENT 

OR EVALUATION PURPOSES ONLY

 and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete 

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety 

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union 

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date 

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU 

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS 

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR 

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims 

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all 

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or 

agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. 

LTC assumes no liability for applications assistance, 

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction 

is not exclusive

.

Please read the DEMO BOARD manual prior to handling the product

. Persons handling this product must have electronics training and 

observe good laboratory practice standards. 

Common sense is encouraged

.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

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Содержание DC1705C

Страница 1: ...ions Each DC1705C provides 50Ω SMA connectors for the reference frequency input fREF REF IN the reference output buffer REF OUT and the differential RF output RF and RF A DC590 USB serial controller board is usedforSPIcommunicationwiththeLTC6946 controlled by the supplied PLLWizard software Design files for this circuit board are available at http www linear com demo DC1705C L LT LTC LTM Linear Te...

Страница 2: ...ch as the Wenzel 501 04608A or 501 04516D OCXO is recommended If using a different frequency make sure to update the fREF and R_DIV boxes under the System tab in PLLWizard so that fPFD is still 1MHz For example if a 20MHz clock is used fREF should be changed to 20MHz and R_DIV to 20 REF BST and FILT under the System tab in PLLWizard might need to be changed if the reference frequency and or power ...

Страница 3: ...ntheDC590beforerunningtheinstallation program 2 Download the QuikEval installation program from http www linear com software 3 Run the QuikEval installation program and follow the on screeninstructions Moredetailedinstallationinfor mation may be found in the DC590 s Quick Start guide 4 Exit the QuikEval program once the installation is com plete as it is not needed to run the PLLWizard software 5 ...

Страница 4: ...dows 7 Microsoft NET 2 0 or later Windows Installer 3 1 or later Linear Technology s QuikEval and DC590 hardware Microsoft NET You must have Microsoft NET 2 0 or later installed on yourcomputer PLLWizardwillnotrunwithoutit Notethat with Windows Vista and Windows 7 you should have at least version 3 5 pre installed To manually determine your version of NET using Win dows XP click Start Menu Setting...

Страница 5: ...Downloaded from Microsoft PLLWizardSetup_net20 exe 2 0 SP2 Included Much Larger File Size Choose PLLWizardSetup if you have NET 2 0 or later have Windows Vista or Windows 7 or if you have less than NET 2 0 but want the latest NET installed Choose PLLWizardSetup_net20 if you have less than NET 2 0 and want faster installation no additional Microsoft downloads are needed but the file size is much la...

Страница 6: ...Wizard Set Files The red LED on DC1705C should turn on indicating that the loop is locked at 900MHz You can then change the values of N_DIV and or O_DIV in PLLWizard to change the output frequency Troubleshooting If the red LED does not illuminate follow the instructions below 1 Verify that you are able to communicate with the DC1705C The bottom status line in PLLWizard should read LTC6946 and Com...

Страница 7: ...4 DC1705C Components and Connections QUICK START PROCEDURE Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 8: ...W 1 0402 NIC NRC04F51R1TRF 17 1 R3 RES CHIP 330Ω 1 16W 1 0402 NIC NRC04F3300TRF 18 1 R4 RES CHIP 15Ω 1 16W 1 0402 NIC NRC04F15R0TRF 19 4 R5 R6 R7 R13 RES CHIP 200k 1 16W 1 0402 NIC NRC04F2003TRF 20 3 R8 R9 R14 RES CHIP 4 99k 1 16W 1 0402 NIC NRC04F4991TRF 21 4 R10 R11 R12 R16 RES CHIP 100Ω 1 16W 5 0402 NIC NRC04J101TRF 22 1 R15 RES CHIP 0Ω 0603 VISHAY CRCW06030000Z0EA 23 2 U2 U3 I C DUAL BUFFER SC...

Страница 9: ...H682JA01D 4 1 CP CAP COG 2700pF 50V 5 0603 MURATA GRM1885C1H272JA01D 5 1 RZ RES CHIP 453Ω 1 10W 1 0603 NIC NRC06F4530TRF 6 1 U1 I C SYNTHESIZER QFN28UFD 4X5 LINEAR TECH LTC6946IUFD 3 DC1705C D 1 1 GENERAL BOM 2 1 CI1 CAP X7R 0 01µF 50V 5 0603 AVX 06035C103JAT2A 3 1 CI2 CAP COG 0 01μF 50V 5 0805 MURATA GRM2195C1H103JA01 4 1 CP CAP COG 1500pF 50V 5 0603 MURATA GRM1885C1H152JA01D 5 1 RZ RES CHIP 536Ω...

Страница 10: ...ED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 DEMO CIRCUIT 1705C Thursday October 02 2014 1 2 ULTRALOW NOISE SPURIOUS INTEGER N N A LTC6946IUFD FAMILY KIM T CHRIS P SYNTHESIZER WITH INTEGRATED VCO SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use On...

Страница 11: ...EAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 DEMO CIRCUIT 1705C Thursday October 02 2014 2 2 ULTRALOW NOISE SPURIOUS INTEGER N N A LTC6946IUFD FAMILY KIM T CHRIS P SYNTHESIZER WITH INTEGRATED VCO SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd L...

Страница 12: ...r the LTC6946 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 13: ...EVISION HISTORY BOARD REV DATE DESCRIPTION Original Design B 03 12 Added EEPROM for identification purposes C 05 13 Added support for 5V SPI in addition to the default 3 3V 11 14 Added DC1705C D version Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Страница 14: ...CIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge Also be aware th...

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