Evaluate: MAX2622/MAX2623/MAX2624 19-1528 Rev 1 5/00 MAX2622/MAX2623/MAX2624 Evaluation Kits General Description Features The MAX2622/MAX2623/MAX2624 evaluation kits Easy Evaluation of MAX2622/MAX2623/MAX2624 (EV kits) simplify evaluation of the MAX2622/MAX2623/ +2.7V to +5.5V Single-Supply Operation MAX2624 VCOs. These kits enable testing of the devices RF performance and require no additional RF Output Matched to 50 support circuitry. The signal output uses an SMA con- All Critical Peripheral Components Included nector to facilitate the connection to RF test equipment. Component List Ordering Information DESIGNATION QTY DESCRIPTION PART TEMP. RANGE IC-PACKAGE 220pF 5% ceramic capacitors (0603) MAX2622EVKIT -40C to +85C 8 MAX C2, C3, C4, C8 4 Murata GRM39COH0G221J50 MAX2623EVKIT -40C to +85C 8 MAX C6 1 0 resistor (0603) MAX2624EVKIT -40C to +85C 8 MAX 0.1F 5% ceramic capacitor (0603) C7 1 Taiyo Yuden EMK107BJ104KA Test Equipment Required R1, R2 2 1k 5% resistors (0603) This section lists the recommended test equipment to SMA connector (PC edge mount) verify operation of the MAX2622/MAX2623/MAX2624. It OUT 1 EFJohnson 142-0701-801 or is intended as a guide only, and some substitutions are Digi-Key J502-ND possible. JU1 4 3-pin headers A two-channel power supply at +2.7V to +5.5V MAX2622EUA, MAX2623EUA, or An ammeter (optional) U1 1 MAX2624EUA An RF spectrum analyzer (HP 8561E, for example) that covers the operating frequency range of the MAX2622/MAX2623/MAX2624, as well as a few har- Component Suppliers monics SUPPLIER PHONE FAX A 50 SMA cable Murata Electronics 800-831-9172 814-238-0490 Connections and Setup Taiyo Yuden 408-573-4150 408-573-4159 This section provides a step-by-step guide to the func- NOTE: Please indicate that you are using the MAX2622, tions and operation of these EV kits. MAX2623, or MAX2624 when contacting these component suppliers. 1) Connect a DC supply set to +3V (through an amme- ter, if desired) to the V and GND terminals on the CC EV kit. Quick Start 2) Apply +3V to the SHDN control input. The MAX2622/MAX2623/MAX2624 EV kits are fully 3) Turn on the DC supply. The supply current should assembled and factory tested. Follow the instructions in read about 8mA. the Connections and Setup section for proper device evaluation. 4) Connect the VCO output to a spectrum analyzer with a 50 coaxial cable. 5) Apply a variable DC voltage to the TUNE input (+0.4V to +2.4V). 6) Check f and f on the spectrum analyzer by MIN MAX varying the tuning voltage. 7) Check the output power level (-3dBm typ). Maxim Integrated Products 1 For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769.MAX2622/MAX2623/MAX2624 Evaluation Kits 8 1 N.C. GND R1 1k 7 2 SMA TUNE TUNE OUT U1 OUT C2 C5 220pF OPEN MAX2622 MAX2623 3 6 GND MAX2624 V CC VCC C4 220pF R2 1 1k 2 4 5 SHDN SHDN V VCC CC JU1 3 C8 C3 C7 220pF 220pF 0.1 F Figure 1. MAX2622/MAX2623/MAX2624 EV Kits Schematic 1.0 1.0 Figure 2. MAX2622//MAX2623/MAX2624 EV Kits Component Figure 3. MAX2622//MAX2623/MAX2624 EV Kits PC Board LayoutComponent Side Placement GuideComponent Side 1.0 Figure 4. MAX2622/MAX2623/MAX2624 EV Kits PC Board LayoutGround Plane 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. 2 Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. Evaluate: MAX2622/MAX2623/MAX2624