MAX2165EVKIT

19-0700; Rev 0; 12/06 MAX2165 Evaluation Kit The MAX2165 evaluation kit (EV kit) simplifies testing and evaluation of the MAX2165 direct-conversion DVB-H tuner. The evaluation kit is fully assembled and tested at the factory. Standard 50Ω SMA and BNC connectors are included on the EV kit for the inputs and outputs to allow quick and easy evaluation on the test bench. This document provides a list of equipment required to evaluate the device, a straightforward test procedure to verify functionality, a description of the EV kit circuit, the circuit schematic, a bill of materials (BOM) for the kit, and artwork for each layer of the PCB. Features  Easy Evaluation of the MAX2165 Ω SMA Connector  50Ω  All Critical Peripheral Components Included  Fully Assembled and Tested  PC Control Software (available at www.maxim-ic.com) Ordering Information PART MAX2165EVKIT+ TEMP RANGE IC PACKAGE -40°C to +85°C 28 Thin QFN-EP* (5mm x 5mm) +Denotes a lead-free and RoHS-compliant EV kit. *EP = Exposed paddle. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION C24, C30, C32, C33, C35, C39, C40, C41 0 Open C1, C34 2 27pF ±5% capacitors (0603) Murata GRM1885C1H270J C2, C6, C27, C37, C71, C72, C73 7 330pF ±5% capacitors (0603) Murata GRM1885C1H331J C28 1 1.0µF ±10% capacitor (0603) Murata GRM188R61C105K C3 1 47pF ±5% capacitor (0603) Murata GRM1885C1H470J C76 1 C4, C5, C11, C19, C23, C75, C77 1.0µF ±10% tantalum capacitor C case, 16V AVX TAJC106K016 7 100nF ±10% capacitors (0603) Murata GRM188R71E104K FREF3, MUX3 0 Open C7, C12, C18, C31, C38 5 1000pF ±10% capacitors (0603) Murata GRM188R71H102K J1, J2 2 BNC PCB receptacle (jack) post terminal 4 legs 433 mils (11.0mm) Amphenol 31-5329-52RFX C8, C21, C22 3 2200pF ±10% capacitors (0603) MurataGRM188R71H222K J3 1 C9 1 0.022µF ±10% capacitor (0603) Murata GRM188R71H223K SMA end launch jack receptacle 0.062in Johnson 142-0701-801 J4 0 Do not install C10 1 470nF ±10% capacitor (0603) Murata GRM188R61A474K J13 1 C13, C16, C17, C20, C29 5 10nF ±10% capacitors (0603) Murata GRM188R71H103K DB25 horizontal male PCB connector AMP HD-20 Series 5747238-4 JP1–JP9 0 Do not install 2 2.2µF ±10% capacitors (0603) Murata GRM188R61A225K 2 In-line headers, 100 mil center Sullins PEC36SAAN C14, C15 JP10, JP13 Component List continued on next page. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 Evaluates: MAX2165 General Description Evaluates: MAX2165 MAX2165 Evaluation Kit Component List (continued) Test Equipment Required • • • • • • One power supply capable of supplying at least 200mA, +2.85V One dual-output variable power supply capable of supplying up to +2.5V at up tp ±50µA (to apply gain control voltages). One RF signal generator capable of delivering at least -20dBm of output power at frequencies up to 1GHz One RF spectrum analyzer capable of covering the operating frequency range of the device. Windows® A PC (486DX33 or better) with 98, 2000, NT 4.0, XP or later operating system, 64MB of memory, and an available parallel port A 25-pin straight-through parallel cable with male and female connectors • One multichannel digital oscilloscope (optional) • A network analyzer to measure return loss (optional) • An ammeter to measure supply current (optional) Windows is a registered trademark of Microsoft Corp. DESIGNATION QTY R1 1 510Ω ±5% resistor (0603) R2, R6, R7, R12, R24 5 1kΩ ±5% resistors (0603) R3, R10, R11, R18, R27, R29, R30, R41, R42 9 100Ω ±5% resistors (0603) R4, R5, R8, R9, R17, R28, R46, R47 8 2.7kΩ ±5% resistors (0603) R13 1 39kΩ ±5% resistor (0603) R14, R43 2 5.1kΩ ±5% resistors (0603) R15, R16, R19, R20, R25, R31 0 Open R21 1 10kΩ ±5% resistor (0603) R22, R23 2 49.9Ω ±1% resistors (0603) R25 1 0Ω resistor (0603) R26 1 0Ω resistor (0603) U1 1 MAX2165ETI+ Maxim Integrated Products U2, U4 2 Single-supply op amps with rail-torail outputs MAX4453ESA+ Maxim Integrated Products U3 1 Hex buffer/driver Texas Instruments SN74LV07ADB U5 0 Do not install Y2 1 20MHz crystal Citizen America HCM4920.000MABJ-UT — 1 MAX2165EVKIT+ PCB Component List (continued) DESIGNATION QTY JP10, JP13 2 Shorting jumpers Sullins SSC02SYAN 2 SMA end launch jack receptacles 0.062in Johnson 142-0701-801 J35, J36 DESCRIPTION I-, I+, Q+, Q-, J5, J14, J15 7 PC mini-red Keystone 5000 L2 1 39nH ±5% inductor (0603) Murata LQW18AN39NJ00 DESCRIPTION Component Suppliers SUPPLIER PHONE FAX AVX Corp. 843-448-9411 843-448-7139 www.avxcorp.com Citizen America 310-781-1460 310-781-9172 www.citizencrystal.com Murata Mfg. Co., Ltd. 770-436-1300 770-436-3030 www.murata.com Texas Instruments 800-336-5236 — 2 WEBSITE www.ti.com _______________________________________________________________________________________ MAX2165 Evaluation Kit 2) Set the DC power supply to +2.85V. Connect the power supply to the VCC (J14) (through an ammeter if desired), VCC2 (J5), and GND (J15) terminals on the EV kit. If available, set the current limit to 125mA. The VCC terminal powers the MAX2165 while the VCC2 terminal, connected by JP7 to VCC, powers the serial interface and I/Q buffer circuitry. 3) Set both outputs of the dual-output DC power supply to +2.3V. Connect one output to the BB_AGC jumper (JP6) and the other output to the RF_AGC jumper (JP10). Use the pin closest to the IC on both jumpers. 4) Set the RF signal generator to a 471MHz frequency and a -85dBm power level, connected to the SMA connector labeled RFIN on the evaluation board. 5) Connect a 25-pin parallel cable between the PC’s parallel port and the MAX2165 evaluation board. 6) Install and run the MAX2165 control software. Software is available for download on the Maxim website at www.maxim-ic.com. 7) Load the default register settings from the control software by clicking the Default button at the top of the screen. 8) The supply current from the +2.85V supply to the VCC terminal should read approximately 110mA. Be sure to adjust the power supply to account for any voltage drop across the ammeter. 9) Connect either the I or Q output to a spectrum analyzer or to an oscilloscope. Note the 1.5VDC bias at the output connectors. 10) If using a spectrum analyzer, set it to display frequencies from DC to 5MHz. Set the reference level to 0dBm. Adjust the input power of the signal generator until the output level of the EV kit reaches -8dBm. 11) If using an oscilloscope, set the input impedance of the oscilloscope to high impedance and observe the approximately 1MHz sine wave. Adjust the input power of the signal generator until the IF output reaches 500mVP-P. Note that this is twice the voltage than if the EV kit drives a 50Ω load. Board Loss Correction The MAX2165EVKIT also has a buffer at the I and Q output to allow interfacing with 50Ω test equipment. These buffers have 50Ω resistors (R23 and R22) in series with their outputs for back-termination. When the I and Q outputs from the EV kit are loaded with a 50Ω test instrument, a voltage divider is formed by the 50Ω back-termination resistor and the 50Ω test instrument input impedance, dividing the I/Q output signal by 2. This loss must be accounted for when measuring gain. The nominal output level at the IC’s I/Q outputs is 500mVP-P (-2dBm) that equates to -8dBm at the I/Q BNC connectors on the kit when loaded with a 50Ω test instrument. Layout Considerations The MAX2165 EV kit should serve as a close guide for PCB layout. Keep RF signal lines as short as possible to minimize losses and radiation. Use controlled impedance on all high-frequency traces. The exposed paddle must be soldered evenly to the board’s ground plane for proper operation. Use abundant vias beneath the exposed paddle and between RF traces to minimize undesired RF coupling. To minimize coupling between different sections of the IC, each VCC pin must have a bypass capacitor with a low impedance to ground at the frequency of interest. Do not share ground vias among multiple connections to the PCB ground plane. _______________________________________________________________________________________ 3 Evaluates: MAX2165 Connections and Setup This section provides a step-by-step guide to testing the basic functionality of the EV kit. Do not turn on the DC power or RF signal generators until all connections are completed. 1) Verify jumper shunt JP13 is installed across the top two posts so when the board is oriented, the Maxim logo is upright. This pulls the ADDR pin to ground. J5 J15 J14 J13-4 J13-5 3 2 1 C73 330pF C29 10nF C76 10μF C37 330pF C27 330pF 1 R3 100Ω R42 100Ω R41 100Ω 3 1 2 C30 OPEN C77 100nF R30 100Ω R27 100Ω 4 VCC2 J13-14 J13-15 J13-16 J13-17 J13-22 J13-23 J13-24 J13-25 J13-9 J13-8 J13-11 J13-21 J13-20 J13-19 J13-6 6 8 J13-1 J13-7 74LV07A U3-C 74LV07A J13-18 5 9 JP8 SHORTED Figure 1. EV Kit Schematic _______________________________________________________________________________________ 11 C38 1000pF 74LV07A 10 3 7 6 5 4 3 2 1 1 JUMPER2 JP10 2 R29 100Ω R18 100Ω C20 10nF LEXT C3 47pF C34 27pF VCC R13 39kΩ C28 1μF 26 MAX2165ETI+ U1 C19 100nF C18 1000pF VCC C32 OPEN LDO B_IN BB_IP BB_AGC VCC_VCO VTUNE GND_TUNE 15 16 17 18 19 20 21 C8 2200pF C5 100nF JP2 SHORTED VCC JP5 SHORTED MUX OPEN R25 OPEN FREF OPEN 24 VCC JP1 SHORTED C4 100nF VCC_RF ADDR RFIN N.C. SCL SDA C1 27pF Y2 20MHz C39 OPEN C75 100nF U3-E VCC2 VCC2 R14 5.1kΩ VCC2 R28 2.7kΩ VCC2 R21 10kΩ R17 2.7kΩ VCC2 C21 2200pF J4 OPEN C8 330pF R15 OPEN L2 39nH C22 2200pF R31 SHORTED R16 OPEN C2 300pF R47 2.7kΩ VCC2 JP9 SHORTED C25 SHORTED C23 100nF U3-D VCC2 C41 OPEN 13 R10 100Ω R11 100Ω J13-13 JP7 SHORTED J13-12 4 3 U3-F 74LV07A 12 74LV07A U3-B OUT GND C24 OPEN OPEN U5 VCC2 IN GND 2 74LV07A U3-A B69883K5866A123 (F5013) C7 1000pF C40 OPEN R43 5.1kΩ C72 VCC2 330pF C71 330pF R19 SHORTED R20 OPEN VCC JP13 JUMPER2 J3 J13-10 J13-3 J13-2 R46 2.7kΩ C33 OPEN 8 22 VCC2 28 XE RF_AGC 27 XB SHDNB 9 VCC_XTAL STBYB 10 25 REF_BUF OVLD_DET 11 23 13 MUX VCC_BB 12 VCC_SYN BB_QN CP BB_QP 4 14 Q- Q+ I- I+ C35 OPEN R12 1kΩ R9 2.7kΩ R2 1kΩ R24 1kΩ JP4 SHORTED C13 10nF C11 100nF JP3 SHORTED R26 0Ω R4 2.7kΩ C12 1000pF C10 470nF C9 0.022μF R1 510Ω C31 1000pF C14 2.2μF R6 1kΩ JP6 OPEN VCC VEE 4 VEE 3 INA+ 2 INA- 1 OUTA 4 3 INA+ 2 INA- 1 OUTA C15 2.2μF R7 1kΩ R8 2.7kΩ R5 2.7kΩ MAX4453ESA+ U4 MAX4453ESA+ U2 INB+ 5 INB- 6 8 VCC OUTB 7 R22 49.9Ω INB+ 5 INB- 6 8 VCC OUTB 7 R23 49.9Ω VCC2 VCC2 C17 10nF C16 10nF J2 J1 Evaluates: MAX2165 MAX2165 Evaluation Kit MAX2165 Evaluation Kit Evaluatms: MAX2165 1.0" Figure 2. MAX2165 EV Kit PCB Layout Component Placement Guide _______________________________________________________________________________________ 5 Evaluates: MAX2165 MAX2165 Evaluation Kit 1.0" Figure 3. MAX2165 EV Kit PCB Layout Component Placement Guide—Component Side 6 _______________________________________________________________________________________ MAX2165 Evaluation Kit Evaluates: MAX2165 1.0" Figure 4. MAX2165 EV Kit PCB Layout Component Placement Guide—Solder Side Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7 © 2006 Maxim Integrated Products Janet Freed is a registered trademark of Maxim Integrated Products, Inc.