SNAU278 July   2022

 

  1.   Abstract
  2.   Trademarks
  3. 1LMX2594PSEVM Evaluation Module
    1. 1.1 Evaluation Module Contents
    2. 1.2 Evaluation Setup Requirement
    3. 1.3 Resources
  4. 2Setup
    1. 2.1 Connection Diagram
    2. 2.2 Power Supply
    3. 2.3 Reference Clock
    4. 2.4 SYNC Input
    5. 2.5 RF Output
    6. 2.6 Programming
    7. 2.7 Evaluation Software
  5. 3Typical Measurement
    1. 3.1 Category 3 Synchronization
    2. 3.2 Phase Noise Improvement
  6. 4Schematic
  7. 5PCB Layout and Layer Stack-up
    1. 5.1 PCB Layer Stack-Up
    2. 5.2 PCB Layout
  8. 6Bill of Materials
  9. 7EVM Modification
  10. 8Troubleshooting Guide
  11. 9Reference PRO
    1. 9.1 Output Frequency Selection
    2. 9.2 Output Format Selection
    3. 9.3 Typical Output Characteristics
    4. 9.4 Firmware Update

6 Bill of Materials

Table 6-1 Bill of Materials
DESIGNATOR QUANTITY DESCRIPTION PART NUMBER MANUFACTURER
C1, C2, C3, C4 4 CAP, CERM, 10 µF, 16 V, 10%, X7R, 0805 EMK212BB7106KG-T Taiyo Yuden
C1_LF1, C1_LF2 2 CAP, CERM, 390 pF, 50 V, 5%, C0G/NP0, 0603 06035A391JAT2A AVX
C2_LF1, C2_LF2 2 CAP, CERM, 0.068 µF, 25 V, 10%, X7R, 0603 885012206070 Wurth Elektronik
C4_LF1, C4_LF2 2 CAP, CERM, 1800 pF, 50 V, 5%, C0G/NP0, 0603 GRM1885C1H182JA01D MuRata
C5, C8, C9, C10, C12, C22, C23, C24, C26, C27, C33, C35, C36, C37, C40, C41 16 CAP, CERM, 0.1 µF, 16 V, 5%, X7R, 0603 0603YC104JAT2A AVX
C6, C11, C20, C25, C34, C39 6 CAP, CERM, 1 µF, 16 V, 10%, X7R, 0603 885012206052 Wurth Elektronik
C7, C16, C17, C18, C21, C31, C32, C38 8 CAP, CERM, 10 µF, 10 V, 10%, X5R, 0603 GRM188R61A106KAALD MuRata
C13, C14, C15, C28, C29, C30, C42, C43 8 CAP, CERM, 0.1 µF, 16 V, 10%, X7R, 0402 530L104KT16T AT Ceramics
C44, C45 2 CAP, CERM, 4.7 µF, 50 V, X7R, 10%, 0805 CGA4J1X7R1H475K125AC TDK Corporation
D1, D2 2 LED, Green, SMD LTST-C190GKT Lite-On
J1, J2, J4 3 Connector, End launch SMA 50 ohm, TH 142-0761-881 Cinch Connectivity
J3, J5, J6 3 Connector, End launch SMA, 50 ohm, SMT 142-0701-851 Cinch Connectivity
L1, L2 2 Inductor, Multilayer, Air Core, 18 nH, SMD LQG15HS18NJ02D MuRata
R1, R2, R4_LF1, R4_LF2, R26, R30, R35 7 RES, 0, 5%, 0.1 W, 0603 CRCW06030000Z0EA Vishay-Dale
R2_LF1, R2_LF2 2 RES, 68, 5%, 0.1 W, 0603 CRCW060368R0JNEA Vishay-Dale
R3, R3_LF1, R3_LF2, R4, R5, R7, R8, R10 8 RES, 18, 5%, 0.1 W, 0603 CRCW060318R0JNEA Vishay-Dale
R6, R9, R11, R14, R18, R27, R28, R31, R32, R33, R36 11 RES, 12 k, 5%, 0.1 W, 0603 CRCW060312K0JNEA Vishay-Dale
R12, R13 2 RES, 330, 5%, 0.1 W, 0603 RC0603JR-07330RL Yageo
R15, R16, R19, R20 4 RES, 51, 5%, 0.1 W, 0603 CRCW060351R0JNEA Vishay-Dale
R17, R21, R22, R23, R24, R25 6 RES, 50, 0.1%, 0.05 W, 0402 FC0402E50R0BST1 Vishay-Dale
R29, R34 2 RES, 22.1 k, 1%, 0.1 W, 0603 CRCW060322K1FKEA Vishay-Dale
S1, S2 2 Switch, SPST, Slide, Off-On, 4 Pos, SMD 219-4MST CTS Electrocomponents
TP1 1 Test Point, White, TH 5007 Keystone Electronics
U1, U2 2 15 GHz RF Synthesizer LMX2594RHAR Texas Instruments
U3 1 Power Splitter/Combiner, 50Ohm, 1.8 to 12.5 GHz EP2C+ Minicircuits
U4, U5 2 1-A, Ultra-Low Noise LDO TPS7A9401DSCR Texas Instruments
uWire 1 Header (shrouded), 100 mil, 5x2, Gold, SMT 52601-S10-8LF FCI
C1, C2, C3, C4 4 CAP, CERM, 10 µF, 16 V, 10%, X7R, 0805 EMK212BB7106KG-T Taiyo Yuden
C1_LF1, C1_LF2 2 CAP, CERM, 390 pF, 50 V, 5%, C0G/NP0, 0603 06035A391JAT2A AVX