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19-1913; Rev 0; 1/01
MAX2753 Evaluation Kit
General Description
The MAX2753 evaluation kit (EV kit) simplifies evaluation of the MAX2753 VCO. This kit enables testing of the device's RF performance and requires no additional support circuitry. The signal outputs use two SMA connectors to facilitate the connection to RF test equipment. o Easy Evaluation of MAX2753 o +2.7V to +5.5V Single-Supply Operation o RF Outputs Matched to 50 o All Critical Peripheral Components Included
Features
Evaluates: MAX2753
Component List
DESIGNATION QTY DESCRIPTION
Ordering Information
PART MAX2753EVKIT TEMP. RANGE -40C to +85C PIN-PACKAGE 8 MAX
C2, C3, C4
C1, C5 R1, R2 OUTP, OUTN JU1 U1
3 2 2 2 4 1
220pF 5% ceramic capacitors (0603) Murata GRM39COH0G221J50 0.1F 5% ceramic capacitors (0603) Taiyo Yuden EMK107BJ104KA 1k 5% resistors (0603) SMA connector (PC edge-mount) EFJohnson 142-0701-801 3-pin headers MAX2753EUA
* * *
A 50 SMA cable A 50 SMA termination A 50 balun (optional)
Connections and Setup
This section provides a step-by-step guide to the functions and operation of these EV kits. 1) Connect 50 SMA termination to OUTN. 2) Connect a DC supply set to +3V (through an ammeter, if desired) to the VCC and GND terminals on the EV kit. 3) Apply +3V to the SHDN control input. 4) Turn on the DC supply. The supply current should read about 9mA. 5) Connect the VCO output, OUTP, to a spectrum analyzer with a 50 coaxial cable (minimize length). To measure differential output power, a 50 balun is required. 6) Apply a variable DC voltage to the TUNE input (+0.4V to +2.4V). 7) Check fMIN and fMAX on the spectrum analyzer by varying the tuning voltage. 8) Check the output power level (-11dBm typ singleended, -8dBm differential). 9) Connect the 50 termination to OUTP 10) Repeat steps 5 through 8.
Component Suppliers
SUPPLIER Murata Electronics Taiyo Yuden PHONE 800-831-9172 408-573-4150 FAX 814-238-0490 408-573-4159
Note: Please indicate that you are using the MAX2753 when contacting these component suppliers.
Quick Start
The MAX2753 EV kit is fully assembled and factory tested. Follow the instructions in the Connections and Setup section for proper device evaluation.
Test Equipment Required
This section lists the recommended test equipment to verify operation of the MAX2753. It is intended as a guide only, and some substitutions are possible. * * * A two-channel power supply at +2.7V to +5.5V An ammeter (optional) An RF spectrum analyzer (HP 8561E, for example) that covers the operating frequency range of the MAX2753, as well as a few harmonics
________________________________________________________________ Maxim Integrated Products
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
MAX2753 Evaluation Kit MAX2753 Evaluation Kit
1 C1 0.1F R1 TUNE 1k C2 220pF 3 VCC 1 SHDN 3 2
BYP
GND
8
VTUNE
U1 MAX2753
OUTN
7
OUTN SMA VCC
GND
VCC
6 C4 220pF C5 0.1F
VCC
GND 2 JU1 R2 1k C3 220pF 4 SHDN OUTP 5 OUTP SMA
Figure 1. MAX2753 EV Kit Schematic
1.0"
1.0"
Figure 2. MAX2753 EV Kit Component Placement Guide-- Component Side
Figure 3. MAX2753 EV Kit PC Board Layout--Component Side
1.0"
1.0"
Figure 4. MAX2753 EV Kit PC Board Layout--Ground Plane
Figure 5. MAX2753 EV Kit PC Board Layout--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.
2 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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