Summary of Contents for Red Rapids Front End 000-009
- Page 1 Publication No. REF-000-009-R00 Front End 000-009 Dual 16-Bit 310 Msps Receiver Reference Manual 797 North Grove Rd, Suite 101 Richardson, TX 75081 Phone: (972) 671-9570 www.redrapids.com Red Rapids...
- Page 2 Publication No. REF-000-009-R00 Red Rapids reserves the right to alter product specifications or discontinue any product without notice. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment. This product is not designed, authorized, or warranted for use in a life- support system or other critical application.
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Page 3: Table Of Contents
Performance........................8 3.2.1 AC-Coupled Performance ..................8 3.2.2 DC-Coupled Performance ..................9 Absolute Maximums ...................... 9 Typical Performance Characteristics ................10 AC-Coupled......................... 10 DC-Coupled ........................ 13 Generating Characterization Plots ................15 Key Components ......................16 Technical Support ......................17 Red Rapids... - Page 4 List of Tables Table 2-1 Lowpass Filter Build Option Parameters ..............3 Table 3-1 Test Environment ......................7 Table 3-2 Absolute Maximum Specifications ................9 Table 4-1 Characterization Test Equipment ................15 Table 5-1 Key Hardware Components ..................16 Red Rapids...
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Page 5: Introduction
Publication No. REF-000-009-R00 Introduction 1.1 Contents and Structure This manual describes the Front End 000-009 receiver hardware. The focus of this manual is the electrical function of the hardware including control structure, signal flow and key components. The latest product documentation and software is available for download from the Red Rapids web site (www.redrapids.com) by following the Technical Support link. -
Page 6: Description
Publication No. REF-000-009-R00 Description The Front End 000-009 receiver is a high performance dual-channel structure built around the Analog Devices AD9652 16 bit 310 Msps dual ADC. Features Dual Channel 16-bit Architecture SNR 75 dB SFDR 94 dB ... -
Page 7: Filter Build Option
DC-coupled units require a dc-coupled source impedance of 50 Ohms as part of double balanced system. 0.1uF Input 50 Ohms AC-Coupled Build Option Input 50 Ohms DC-Coupled Build Option Figure 2-2 Coupling Options (equivalent circuits) Red Rapids Page 3... -
Page 8: Dc Offset Adjustment (Dc-Coupled Units Only)
The unused trim DAC should be set to 0 V. Analog Input Trim DAC DACA DACB Control Interface Channel 1 DC Offset Adjustment Analog Input Trim DAC DACB DACA Control Interface Channel 2 DC Offset Adjustment Figure 2-3 Trim DAC Operation in DC-Coupled Build Option Red Rapids Page 4... -
Page 9: Adc Configuration
5.0. Receiver Analog RX CH 2 ADCB Analog RX CH 1 ADCA Receiver PDWN VREF 0.1 uF 1.0 uF SYNC 10.0k TEST RBIAS 10.0k SENSE 10.0k 49.9 Figure 2-5 Selected RX ADC Physical Connections Red Rapids Page 5... -
Page 10: Adc Control Interface
LVDS pair. A description of the data transfer protocol can be found in the RX ADC device data sheet listed in section 5.0. Data Interface rx_clkp DCOP rx_clkn DCOM rx_datap(15:0) D(15:0)P Interface rx_datan(15:0) D(15:0)M OVRP rx_ovrp OVRM rx_ovrn Figure 2-8 ADC Data Interface Red Rapids Page 6... -
Page 11: Specifications
Personal Computer, On carrier in PCIe x8 Slot Air Temperature 25 C (Room) Cooling Convection (Fan) Nominal “Typical” levels Voltage ADC Control Default API from Red Rapids website. Clock 310 MHz External Clock 3.1 Input Levels Parameter Unit Input Impedance... -
Page 12: Performance
>90 50 MHz 75 MHz 100 MHz Notes: Measured across band using ADC output. Performance extrapolated from -4.8 dBFS plot due to test equipment limitations. Performance extrapolated from -2.0 dBFS plot due to test equipment limitations. Red Rapids Page 8... -
Page 13: Dc-Coupled Performance
AC Voltage Swing AC Input Power DC-Coupled DC Input Offset plus AC swing AC Voltage Swing (Centered at 0V) AC Input Power (Centered at 0V) Exposure to absolute maximum conditions for extended periods may degrade unit reliability. Red Rapids Page 9... -
Page 14: Typical Performance Characteristics
The following receiver plots were taken with the receiver configured for the AC-coupled build option with the input filter bypassed. AC-Coupled Passband Response (dBFS) 750 MHz Span Figure 4-1 AC-Coupled Passband Profile 1 MHz to 750 MHz Red Rapids Page 10... -
Page 15: Figure 4-2 Ac-Coupled Passband Profile 1 Mhz To 300 Mhz
Publication No. REF-000-009-R00 AC-Coupled Passband Response (dBFS) 250 MHz Span -0.5 -1.5 -2.5 Figure 4-2 AC-Coupled Passband Profile 1 MHz to 300 MHz Figure 4-4 70.17 MHz, -4.8 dBFS, Figure 4-3 20.17 MHz, -1.0dBFS, Red Rapids Page 11... -
Page 16: Figure 4-5 125.17 Mhz, -2.0Dbfs
Publication No. REF-000-009-R00 Figure 4-6 Terminated Input Figure 4-5 125.17 MHz, -2.0dBFS Figure 4-8 Two-tones 124.5 and 125.5 MHz Figure 4-7 Two-tones 19.5 and 20.5 MHz at at -8dBFS -7dBFS Red Rapids Page 12... -
Page 17: Dc-Coupled
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 Figure 4-9 DC-Coupled Passband Profile DC to 600 MHz DC-Coupled Passband Response (dBFS) 260 MHz Span -0.2 -0.4 -0.6 -0.8 -1.2 -1.4 -1.6 -1.8 Figure 4-10 DC-Coupled Passband Profile DC to 260 MHz Red Rapids Page 13... -
Page 18: Figure 4-11 20.17 Mhz, -1 Dbfs
Figure 4-12 70.17 MHz, -1 dBFS, Figure 4-11 20.17 MHz, -1 dBFS, Figure 4-13 125.17 MHz, -1dBFS Figure 4-14 Terminated Input Figure 4-16 Two-tones 69.5 and 70.5 Figure 4-15 Two-tones 19.5 and 20.5 MHz at -7dBFS MHz at -7dBFS Red Rapids Page 14... -
Page 19: Generating Characterization Plots
Red Rapids’ characterization plots were created using 5% bandwidth 7-section Chebyshev filters with > 55 dB of stop band rejection. We used filters from TTE such as their KC7t-70m-3.5m-50-720a. -
Page 20: Key Components
Table 5-1 Key Hardware Components Component Part Number Vendor Comments Receiver ADC AD9652BBCZ-310 Analog Devices Dual 16-bit 310 Msps A-D Converter Trim DAC LTC1661CMS8#PBF Linear Dual 10-bit Micropower DAC Technology Red Rapids Page 16... -
Page 21: Technical Support
Web: www.redrapids.com Email: support@redrapids.com Phone: 972-671-9570 Fax: 972-671-9572 Please include the following information with your correspondence: Contact Information Product Model Host Card or System (PC, PCI Carrier, Single Board Computer) Operating System Problem Description Red Rapids Page 17...