Evaluates: MAX2015 19-3083 Rev 0 12/03 MAX2015 Evaluation Kit General Description Features The MAX2015 evaluation kit (EV kit) is a fully assembled Complete RF Power Detector/Controller and tested surface-mount circuit board that allows for 50MHz to 2.7GHz Frequency Range easy evaluation of the MAX2015 RF power detector/ controller. The MAX2015 EV kit includes connections to 2.7V to 5.25V Single-Supply Operation* operate the device as a detector or as a controller. The 50 SMA Connector on RF Input RF input utilizes a 50 SMA connector for convenient connection to test equipment. Fully Assembled and Tested Surface-Mount Board *See EV Kit Schematic (Figure 3). Component List Ordering Information PART TEMP RANGE IC PACKAGE DESIGNATION QTY DESCRIPTION MAX2015EVKIT -40C to +85C 8 MAX 680pF 5%, 50V C0G ceramic C1, C2 2 capacitors (0603) Murata GRM1885C1H681J Quick Start The MAX2015 EV kit is fully assembled and factory 100pF 5%, 50V C0G ceramic tested. See the Connections and Setup section for C3, C5 2 capacitors (0603) proper device evaluation. Murata GRM1885C1H101J Recommended Equipment 0.1F 10%, 16V X7R ceramic DC power supply capable of delivering between capacitors (0603) C4, C6 2 2.7V and 3.6V at 25mA Murata GRM188R71C104K Signal generator capable of delivering -70dBm to 10F 10%,16V tantalum capacitor +10dBm at frequencies between 50MHz and C7 1 (C case) 2.7GHz AVX TAJC106K016R High-dynamic-range RF power meter for calibrat- C8 0 Not installed (0603) ing the signal generator PC board edge-mount SMA RF Three digital multimeters (DMMs) to monitor sup- J1J4 4 connectors (flat-tab launch) ply voltage, supply current, and output voltage Johnson 142-0741-856 6dB attenuator pad R1R5 5 0 (0603) resistors Connections and Setup R6, R7 0 Not installed (0603) This section provides a step-by-step guide to testing the basic functionality of the EV kit. As a general precaution Large test point for 0.062in PC board to prevent damaging the device, do not turn on the DC TP1 1 (red) power or the RF signal generator until all connec- Mouser 151-107 or equivalent tions are made: Large test point for 0.062in PC board 1) With the DC power supply disabled, set it to +3.3V TP2 1 (black) (through a low internal resistance ammeter, if Mouser 151-103 or equivalent desired) and connect to the VCC terminal. Connect the power-supply ground to the GND terminal on U1 1 MAX2015EUA-T the EV kit. If available, set the current limit to 25mA. 2) Calibrate the power meter at 100MHz. Component Suppliers 3) Connect the RF signal generator to the power meter through a 6dB attenuator pad. SUPPLIER PHONE WEBSITE Johnson 507-833-8822 www.johnsoncomponents.com Murata 770-436-1300 www.murata.com Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX2015 Evaluation Kit 1.35VDC (VOLTMETER) 100MHz -24dBm J2 SMA VOUT MAX2015 EV KIT J1 J3 6dB SMA SMA RF IN VSET 3.30VDC TP2 TP1 GND VCC J4 SMA PWDN 3.30VDC (VOLTMETER) 17.0mA (AMMETER) Figure 1. MAX2015 EV Kit Test Setup Diagram 4) Calibrate the signal generator output (f = 100MHz) Detailed Description over the desired power range. The MAX2015 EV kit is a fully assembled and tested sur- Note: Some power meters may be limited in terms face-mount circuit board that evaluates the MAX2015 of their dynamic range. RF power detector/controller. The RF input utilizes a 5) Disable the RF signal generator output power. 50 SMA connector for convenient connection to test Disconnect the power meter from the attenuator equipment. pad and connect this pad output to the RF IN Detector Mode SMA on the EV kit. The MAX2015 EV kit is assembled with a 0 resistor for 6) Connect the VOUT SMA to a voltmeter through the R1. This sets the slope of the output signal to approxi- appropriate adapters. Enable the DC power sup- mately 19mV/dB (RF = 100MHz). To increase the slope of ply. The DC current of the EV kit should be the output signal, increase the value of R1. For example, if approximately 17mA. a 4.7k resistor is used, the slope increases to approxi- 7) Enable the output power of the RF signal generator. mately 21.7mV/dB. Setting the slope too high causes the output of the log amp to be voltage limited at high RF 8) Using the calibration results from step 4, set the power levels, thus reducing dynamic range. For more generator output at the level that produces -30dBm information, refer to the Applications Information section in into RF IN. the MAX2015 data sheet. 9) Verify that an output voltage of approximately 1.35V is measured on the voltmeter. 10) Adjust the signal-generator power level up and down to see a corresponding change in VOUT. 2 Evaluates: MAX2015