Linear Technology DC2191A-A Demo Manual

Rf transmitter using ltc2000 16-bit, 2.5gsps to 2.7gsps dac
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  • Page 1 Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components to meet their specific needs.
  • Page 2: Performance Summary

    The circuitry on the DAC IF output is optimized for analog frequencies from DC to 500MHz. The circuitry on the LO input L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
  • Page 3: Quick Start Procedure

    DC2191, the two boards should first be bolted together and LTDACGen should report back that it is connected to the a proper connection should be made. If Linear Technology FPGA. See Figure 2: provided the Stratix IV board the proper bit file is already...
  • Page 4 DEMO MANUAL DC2191A QUICK START PROCEDURE SINGLE-ENDED SAMPLE CLOCK INPUT RF OUTPUT LO INPUT JUMPERS SHOWN IN THEIR DEFAULT POSITIONS THE DC2191 CONNECTS TO THE ALTERA STRATIX IV CONNECT USB TO PC RUNNING LTDACGen SOFTWARE GX FPGA DEVELOPMENT BOARD VIA HSMC CONNECTORS Figure 1.
  • Page 5 DEMO MANUAL DC2191A QUICK START PROCEDURE Figure 2. LTDACGen Connected to FPGA dc2191afa...
  • Page 6 DEMO MANUAL DC2191A QUICK START PROCEDURE Figure 3. Default Frequency dc2191afa...
  • Page 7: Sample Clock

    DEMO MANUAL DC2191A QUICK START PROCEDURE ANALOG OUTPUT NETWORK J6: LO Input Signal. This is the local oscillator input to the upconverting mixer. Nominal power level is 0dBm. The analog output network of the DC2191 has been de- signed to maximize the performance of the LTC2000. The J8: SYNC.
  • Page 8 DEMO MANUAL DC2191A VP1: This is a test point that is at the output of the on- JP2: SPI and JTAG. This jumper selects how the FPGA is board switching regulator. It is meant for test purposes. programmed. In the SPI position the FPGA is programmed It can also be driven to 2.5V to shut down the output of from the onboard FTDI chip and the LTDACGen software.
  • Page 9: Parts List

    DEMO MANUAL DC2191A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components C1, C25, C26, C29, C31, C32, C33, C34, CAP., X7R, 0.1µF, 16V 10% 0402 AVX, 0402YC104KAT2A C35, C36, C37, C71, C72 C2, C3, C8, C19, C78, C94 CAP., NPO, 0.01µF, 25V, 5%, 0603 TDK, C1608C0G1H103J C4, C6, C9, C11, C14, C18, C67, C68,...
  • Page 10 DEMO MANUAL DC2191A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER CONNECTOR, USB TYPE B, RIGHT ANGLE PCB FCI, 61729-0010BLF MOUNT HEADER, 2 × 5, 0.100 SAMTEC, TSW-105-07-L-D J10, J11 CONNECTOR, HSMC SAMTEC, ASP-122952-01 L1, L2, L3, L4, L6, L7 FERRITE BEAD, 33Ω...
  • Page 11 U10, U11 I.C., 80V IDEAL DIODE, DFN-6L LINEAR TECH.,LTC4359HDCB#TRPBF IC, MIXER LINEAR TECH, LTC5579IUH XJP1, XJP2 SHUNT, 2mm SAMTEC, 2SN-BK-G CRYSTAL, 12.0MHz, SMT ABRACON, ABMM2-12.000MHZ-E2-T DC2191A-A Required Circuit Components GENERAL BOM DC2191A IC, 16-BIT 2.5Gsps DAC LINEAR TECH. LTC2000IY-16 dc2191afa...
  • Page 12                               SVDD3V0 SVDD3V0 VUNREG VCCIO SCK/SCL SHDN CS_FTDI MOSI/SDA MISO CS_ALT EEVCC EESDA DC590...
  • Page 13 SVDD3V0 LT1763CS8-3 LT1763CS8-3 SVDD3V0 1.0uF 1.0uF 0.01uF 0.01uF 47uF 47uF 1.0uF 1.0uF SHDN FERRITE BEAD, 33 OHMS FERRITE BEAD, 33 OHMS AVDD1V8 LT3080EDD LT3080EDD AVDD1V8 1.0uF 1.0uF VOUT AVDD3V3 VOUT LT1763CS8-3.3 LT1763CS8-3.3 4.7uF 4.7uF 47uF 47uF 3.24K 3.24K VOUT AVDD3V3 VCTRL 1.0uF 1.0uF...
  • Page 14 HSMC CONNECTORS - MEZZANINE SIDE NET CONNECTIONS FOR LTC2000 POWER PINS TO PCB POWER NETS       DVDD3V3 AVDD3V3 AVDD1V8 DVDD1V8       DVDD33 AVDD33 AVDD18 DVDD18 BANK 1 BANK 1 BANK 2 BANK 2 BANK 3 BANK 3...
  • Page 15 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.

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