Evaluates: MAX2750/MAX2751/MAX2752 19-1825 Rev 0 10/00 MAX2750/MAX2751/MAX2752 Evaluation Kits General Description Features The MAX2750/MAX2751/MAX2752 evaluation kits Easy Evaluation of MAX2750/MAX2751/MAX2752 (EV kits) simplify evaluation of the MAX2750/MAX2751/ +2.7V to +5.5V Single-Supply Operation MAX2752 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 MAX2750EVKIT -40C to +85C 8 MAX 220pF 5% ceramic capacitors (0603) C2, C3, C4, C5 4 Murata GRM39COH0G221J50 MAX2751EVKIT -40C to +85C 8 MAX MAX2752EVKIT -40C to +85C 8 MAX 0.1F 5% ceramic capacitors (0603) C1, C6 2 Taiyo Yuden EMK107BJ104KA R1, R2 2 1k 5% resistors (0603) Test Equipment Required This section lists the recommended test equipment to SMA connector (PC edge mount) OUT 1 EFJohnson 142-0701-801 verify operation of the MAX2750/MAX2751/MAX2752. It is intended as a guide only, and some substitutions are JU1 4 3-pin headers possible. A two-channel power supply at +2.7V to +5.5V MAX2750EUA, MAX2751EUA, or U1 1 MAX2752EUA An ammeter (optional) An RF spectrum analyzer (HP 8561E, for example) that covers the operating frequency range of the MAX2750/MAX2751/MAX2752, as well as a few har- Component Suppliers monics A 50 SMA cable SUPPLIER PHONE FAX 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 MAX2750, tions and operation of these EV kits. MAX2751, or MAX2752 when contacting these component 1) Connect a DC supply set to +3V (through an amme- suppliers. ter, if desired) to the V and GND terminals on the CC EV kit. 2) Apply +3V to the SHDN control input. Quick Start 3) Turn on the DC supply. The supply current should The MAX2750/MAX2751/MAX2752 EV kits are fully read about 10mA. assembled and factory tested. Follow the instructions in 4) Connect the VCO output to a spectrum analyzer the Connections and Setup section for proper device with a 50 coaxial cable (minimize length). evaluation. 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 price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX2750/MAX2751/MAX2752 Evaluation Kits 8 1 N.C. GND C1 0.1F R1 1k 2 7 SMA TUNE TUNE OUT U1 OUT C2 C5 220pF OPEN MAX2750 MAX2751 3 6 GND MAX2752 V CC VCC C4 220pF R2 1 1k 2 4 5 V SHDN SHDN CC VCC JU1 C7 3 C8 C3 220pF 0.1 F 220pF Figure 1. MAX2750/MAX2751/MAX2752 EV Kits Schematic 1.0 1.0 Figure 2. MAX2750/MAX2751/MAX2752 EV Kits Component Figure 3. MAX2750/MAX2751/MAX2752 EV Kits PC Board LayoutComponent Side Placement GuideComponent Side 1.0 Figure 4. MAX2750/MAX2751/MAX2752 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. Evaluates: MAX2750/MAX2751/MAX2752