Select TI reference designs

Find reference designs leveraging the best in TI technology to solve your system-level challenges

Applications

Products

Additional resources

AND OR

Description

This reference design consists of an analog front-end (AFE) signal chain for wideband receiver applications using the LMH2832 digitally controlled variable gain amplifier (DVGA) and ADS54J40 analog-to-digital converter (ADC). The design is primarily targeted for upstream DOCSIS 3.1 receiver (...)

Key Features

  • AC-coupled signal path from 100 kHz to 204 MHz with 196 MHz of upstream-signal-bandwidth support for DOCSIS 3.1 applications
  • 58 dBFs of minimum system SNR (200 MHz BW) for –1-dBFs input at the ADC
  • 70 dBFs of minimum system SFDR for –1-dBFs input at the ADC
  • 1.71 A of average active-state current (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design discusses the use and performance of the Ultra-Wideband, Fixed-gain high-speed amplifier, the LMH3401 to drive the high-speed analog-to-digital converter (ADC), the ADS54J60 device. Different options for common-mode voltages, power supplies, and interfaces are discussed and (...)

Key Features

  • Low noise, 16-dB Gain Amplifier
  • Dual High Speed ADC
  • AC and DC coupling
  • Complete clocking solution
  • Tested Reference design that includes an evaluation board, configuration software, and User's Guide

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design discusses the use and performance of the Digital Variable-Gain high-speed amplifier, the LMH6401, to drive the high-speed analog-to-digital converter (ADC), the ADS54J60 device. Different options for common-mode voltages, power supplies, and interfaces are discussed and (...)

Key Features

  • Low noise Variable Gain Amplifier
  • Dual High Speed ADC
  • AC and DC coupling
  • Complete clocking solution
  • Tested Reference design that includes an evaluation board, configuration software, and User's Guide

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design is part of an analog front-end for 50Ω-input oscilloscope application. System designers can readily use this evaluation platform to process input signals from DC to 2 GHz in both frequency-domain and time-domain applications.

Key Features

  • 50-Ω input, analog front-end with input signal bandwidth of 2 GHz
  • System ENOB of 6 to 8 bits is achieved with this signal chain
  • Supports a maximum input signal of ± 3V, with user-selectable options for input AC or DC coupling
  • DC-offset correction feature available in DC-coupled input mode
  • Three (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

A wideband single-ended to differential conversion reference design in both DC- and AC- coupled applications is presented. The design evaluates the performance of the LMH5401 and LMH6401 cascade and offers insight into the design.

Key Features

  • 4.5GHz bandwidth with 30dB maximum total voltage gain
  • Digitally-controlled gain range of 32dB in 1dB steps
  • 50-Ω Input DC- or AC-coupled single-ended to differential conversion
  • Output IP3 at RL = 200Ω:
    • 40dBm at 500MHz
    • 33dBm at 1GHz
  • Output common-mode control capability: VMID ± 0.5V
  • Compact design ideal for (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design shows a quad channel, 14-bit, 250-Msps digitizer with wide input range using the LMH6881 programmable differential amplifier and ADS4449 quad-channel, 14-bit, 250-Msps ADC. This combination allows an input voltage range of approximately 1 Vpp to 100 uVpp (4 dBm to -75 dBm (...)

Key Features

  • Gain range of 6-dB to 26-dB allows wide input voltage range of 100 uVpp to 1 Vpp
  • Allows single-ended or differential input source
  • SFDR > 77 dBFs, SNR > 71 dBFS
  • Examples of both AC and DC coupled interfaces
  • Demonstrates anti-aliasing filter design and performance gains
  • Common mode voltage considerations (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

The increasing demand on wireless networks to provide faster data links to customers has driven transceiver hardware to increasingly demanding performance with enough bandwidth to support the largest standardized multi-carrier frequency bands (with band aggregation in some cases) and enough receiver (...)

Key Features

  • Implements a RF Super-Heterodyne Receiver Subsystem with 700–2700-MHz Input Range, Wide 100-MHz IF Bandwidth and 16-Bit ADC
  • Accelerate the Design Time of a Wireless Communications, Software Defined Radio, Military, or Test and Measurement Application With a Proven IF Signal Chain
  • Evaluate this (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design shows the ability of the high-speed amplifier, THS4509 to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

Key Features

  • High-speed single-ended to differential conversion while maintain excellent performance
  • System performance results for THS4509 driving ADS4449
    - SFDR > 77 dBFs, SNR > 71 dBFS in first Nyquist zone
    - SFDR > 69 dBFs, SNR > 67 dBFS in second Nyquist zone
  • Examples of both AC and DC coupled interfaces
  • (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

Employing equalization techniques is an effective way of compensating for channel loss in JESD204B high speed serial interfaces for data converters. This reference design features the ADC16DX370, a dual 16-bit, 370 MSPS analog-to-digital converter (ADC) that utilizes de-emphasis equalization to (...)

Key Features

  • Achieve a high performance JESD204B serial link using low cost PCB materials
  • Understand the limitations of lossy channels and equalization techniques to overcome the limitations
  • Use a formula-based approach to optimizing the equalization features of the ADC16DX370
  • This reference design is tested and (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

Description

This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)

Key Features

  • High-speed single-ended to differential conversion while maintain excellent performance
  • System performance results for LMH6554 driving ADS4449
    • SFDR > 82 dBFs, SNR > 71 dBFS in first Nyquist zone
    • SFDR > 80 dBFs, SNR > 68 dBFS in second Nyquist zone
  • Examples of both AC and DC coupled interfaces
  • (...)

Products Matched

  • Programmable & Variable Gain Amplifiers (PGA/VGA)

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.