Evaluates: MAX9930MAX9933 19-0962 Rev 0 8/07 MAX9930 Evaluation Kit General Description Features The MAX9930 evaluation kit (EV kit) is a fully assembled 2.7V to 5.25V Single-Supply Operation and tested surface-mount printed-circuit board (PCB) 50 SMA Connector on RF Input that evaluates the MAX9930 RF-detecting controller. On-Board Quasi-Measurement Mode Circuitry The MAX9930 EV kit includes on-board shutdown con- trol, as well as quasi-measurement mode circuitry to On-Board Shutdown Control provide an easy method to evaluate the MAX9930. The Fully Assembled and Tested Surface-Mount PCB RF input utilizes a 50 SMA connector for convenient connection to test equipment. Ordering Information The MAX9930 EV kit comes with the MAX9930EUA+ installed, but can also be used to evaluate the PART TEMP RANGE IC PACKAGE MAX9931/MAX9932 RF-detecting controllers and the MAX9930EVKIT+ 0C to +70C* 8 MAX MAX9933 RF detector. To evaluate the MAX9931, MAX9932, or MAX9933, request a MAX9931EUA+, a +Denotes a lead-free and RoHS-compliant EV kit. MAX9932EUA+, or a MAX9933EUA+ free sample with *This limited temperature range applies to the EV kit PCB only. the MAX9930 EV kit. The MAX9930 IC temperature range is -40C to +85C. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION JU1, JU2 2 3-pin headers 33pF 5%, 50V C0G ceramic capacitor (0402) JU3 1 2-pin header C1 1 TDK C1005C0G1H330J R1 1 52.3 1% resistor (0402) Taiyo Yuden UMK105CG330JV R2 1 0 5% resistor (0402) 100pF 5%, 50V C0G ceramic R3 0 Not installed, resistor (0402) capacitors (0402) C2, C4 2 R4, R5, R8 3 10k 1% resistors (0402) TDK C1005COG1H101J R6 1 100 1% resistor (0402) Taiyo Yuden UMK105CG101JW R7 1 14k 1% resistor (0402) 2200pF 10%, 50V X7R ceramic RFIN 1 SMA connector (PC edge mount) capacitor (0402) C3 1 TDK C1005X7R1H222K U1 1 MAX9930EUA+ (8-pin MAX) Taiyo Yuden UMK105BJ222KW Maxim high-output drive op amp U2 1 MAX4412EXK+ (5-pin SC70) 0.1F 10%, 10V X5R ceramic capacitors (0402) 3 Shunts C5, C7, C8 3 TDK C1005X5R1A104K 1 PCB: MAX9930 Evaluation Kit+ Taiyo Yuden LMK105BJ104KV C6 0 Not installed, capacitor (0402) Component Suppliers 22nF 10%, 16V X7R ceramic capacitor (0402) C9 1 SUPPLIER PHONE WEBSITE TDK C1005X7R1C223K Taiyo Yuden EMK105BJ223KV Taiyo Yuden 800-348-2496 www.t-yuden.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX9930 when contact- ing these component suppliers. MAX is a registered trademark of Maxim Integrated Products, Inc. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX9930 Evaluation Kit Quick Start Detailed Description The MAX9930 EV kit is a fully assembled and tested sur- Recommended Equipment face-mount PCB that evaluates the MAX9930 RF-detect- Before beginning, the following equipment is needed: ing controller. The MAX9930 EV kit can also be used to One variable DC power supply capable of supplying evaluate the MAX9931/MAX9932 RF-detecting con- between 2.7V and 5.25V at 50mA trollers and the MAX9933 RF detector. The MAX9930 EV One signal generator capable of delivering -45dBm kit includes on-board shutdown control, as well as quasi- to +0dBm at frequencies between 2MHz and 1.6GHz measurement mode circuitry to provide an easy method to evaluate the MAX9930, MAX9931, and MAX9932. The One voltmeter RF input utilizes a 50 SMA connector for convenient connection to test equipment. Procedure The MAX9930 EV kit is fully assembled and tested. For operation in controller mode, both JU2 and JU3 Follow the steps below to verify board operation. should be removed. Use a DAC or external precision Caution: Do not turn on the power supply until all voltage supply to apply the set-point voltage to the SET connections are completed. pad. RFIN is connected to the RF sourcepower ampli- 1) Set the variable DC power supply to 3V. fier (PA) output through a directional couplerand the OUT pad is connected to the gain-control pin of the PA. 2) Ensure that the variable DC power supply is When used in controller mode, a capacitor must be turned off. installed in C3 for loop stability (see the Filter Capacitor 3) Connect the positive terminal of the variable DC Selection section). power supply to the pad marked VCC. Connect the To simulate an automatic gain-control (AGC) loop, a ground return of the variable DC power supply to quasi-measurement mode can be implemented where the pad marked GND. the MAX9930 delivers an output voltage that is 4) Set the signal generator to produce an output proportional to the log of the input signal (see the Quasi-Measurement Mode section). To establish the signal of 0dBm at a frequency of 50MHz. transfer function of the log amp, the RF input power 5) Ensure that the signal generator is turned off. level should be swept while the voltage at the SET pad 6) Connect the signal generator to the edge-mount is measured. This is the simplest method to validate SMA connector marked RFIN. operation of the evaluation board. 7) Connect the positive terminal of the voltmeter to Shutdown Control the pad marked SET. Connect the ground return of Jumper JU1 controls the CMOS-compatible shutdown the voltmeter to the pad marked GND. pin (SHDN) of the MAX9930, which disables the MAX9930. Removing the shunt from JU1 allows the 8) Ensure that a shunt is installed across pins 1-2 of SHDN pin to be driven with an external signal source jumper JU1. connected to the SHDN pad (see Table 1 for shutdown 9) Ensure that a shunt is installed across pins 2-3 of shunt positions). jumper JU2. Table 1. Shutdown Selection 10) Ensure that a shunt is installed across jumper JU3. 11) Turn on the variable DC power supply. JUMPER SHUNT POSITION DESCRIPTION 1-2* MAX9930 enabled 12) Turn on/enable the output of the signal generator. 2-3 MAX9930 disabled 13) Verify with the voltmeter that an output voltage of JU1 SHDN pin driven by an approximately 1.4V is produced between the SET Not installed external signal source pad and the GND pad. *Default position. 2 Evaluates: MAX9930MAX9933