Evaluates: MAX9947 19-5114 Rev 0 1/10 MAX9947 Evaluation Kit General Description Features The MAX9947 evaluation kit (EV kit) provides a proven S Two MAX9947 Devices (One Works as a design to evaluate the MAX9947 AISG-compliant inte- Transmitter and the Other as a Receiver) grated transceiver. The EV kit has two MAX9947 devices S Proven PCB Layout installed on the board. When one MAX9947 works as a S Fully Assembled and Tested transmitter, the other works as a receiver. System Diagram Ordering Information DIRMD1 DIRMD2 TXIN TXOUT PART TYPE MAX9947EVKIT+ EV Kit RF FILTER RXOUT RXIN +Denotes lead(Pb)-free and RoHS compliant. MAX9947 DIR COAX CABLE DIRMD1 DIRMD2 TXIN TXOUT RF FILTER RXOUT RXIN MAX9947 DIR Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION J1, J3 2 SMA connectors, edge mount 10FF Q10%, 10V X5R ceramic C1, C2, C10, 4 capacitors (0805) J2, J4 2 SMA connectors, vertical mount C11 Murata GRM21BR61A106K JU1, JU6, JU7, 8 2-pin headers JU12JU16 0.1FF Q10%, 16V X7R ceramic C3, C4, C12, 4 capacitors (0603) JU2JU5, C13 8 3-pin headers Murata GRM188R71C104K JU8JU11 L1, L2 2 0I Q5% resistors (0805) 1FF Q10%, 16V X7R ceramic C5, C14 2 capacitors (0603) R1, R7 2 1kI Q5% resistors (0603) Murata GRM188R71C105K R2, R8 2 4.12kI Q1% resistors (0603) R3, R9 2 10kI Q1% resistors (0603) C6, C7, C15, Not installed, ceramic capacitors 0 C16 (0603) R4, R10 2 49.9I Q1% resistors (0603) R5, R11 0 Not installed, resistors (0603) 39pF Q5%, 50V C0G ceramic C8, C9, C17, 4 capacitors (0603) R6, R12 2 10kI Q5% resistors (0603) C18 Murata GRM1885C1H390J TP1, TP9 2 Red multipurpose test points 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.MAX9947 Evaluation Kit Component List (continued) DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION TP2, TP4, 50kI top-adjust 12-turn trimmers 4 Black multipurpose test points VR1, VR2 2 TP10, TP12 (2mm) TP3, TP11 2 Yellow multipurpose test points 8.704MHz crystals Y1, Y2 2 Hong Kong Xtals TP5TP8, 10 Red miniature test points SSL87040N1HS188F0-0 TP13TP18 16 Shunts AISG integrated transceivers U1, U2 2 (16 TQFN-EP*) PCB: MAX9947 EVALUATION 1 Maxim MAX9947ETE+ KIT+ *EP = Exposed pad. Component Suppliers SUPPLIER PHONE WEBSITE Hong Kong Xtals Ltd. 852-35112388 www.hongkongcrystal.com Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com Note: Indicate that you are using the MAX9947 when contacting these component suppliers. 3) Connect the 3.3V DC power supply between TP9 Quick Start (U2 VCC) and TP10 (GND). Required Equipment 4) Set the waveform generator to output a square MAX9947 EV kit wave. Set the amplitude to 3.3V, frequency to 3.3V 100mA DC power supply 38.4kHz, duty cycle to 50%, and offset to 1.65V. Waveform generator 5) Connect the waveform-generator output between TP6 (TXIN) and TP2 (GND). 2-channel oscilloscope 6) Unused TXIN pin must be tied to VL to avoid data Procedure collision. Tie TP14 to VL when using U2 as a The following procedure demonstrates one MAX9947 receiver. (as a transmitter) modulating a 38.4kbps OOK signal 7) Connect the oscilloscope channel 1 to TP6 (TXIN). and transmitting the modulated signal to the second MAX9947 (as a receiver). The receiver demodulates the 8) Connect the oscilloscope channel 2 to TP15 modulated signal and reconstructs the digital signal. (RXOUT). 1) V e r i f y t h a t a l l j u m p e r s ( J U 1 J U 1 6 ) a r e i n t h e i r 9) Verify that the waveforms of channels 1 and 2 are default positions, as shown in Table 1. similar. 2) Connect the 3.3V DC power supply between TP1 10) Verify that TP16 (DIR) is asserted high, indicating (U1 VCC) and TP2 (GND). data is flowing from U1 to U2. 2 Evaluates: MAX9947