• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

Test & Measurement Tips

Oscilloscopes, electronics engineering industry news, how-to EE articles and electronics resources

  • Oscilloscopes
    • Analog Oscilloscope
    • Digital Oscilloscope
    • Handheld Oscilloscope
    • Mixed-signal Oscilloscope
    • PC-based Oscilloscopes – PCO
  • Design
  • Calibration
  • Meters & Testers
  • Test Equipment
  • Suppliers
  • Video
  • EE Learning Center
    • Design Guides
      • WiFi & the IOT Design Guide
      • Microcontrollers Design Guide
      • State of the Art Inductors Design Guide
      • Power Electronics & Programmable Power
  • FAQs
You are here: Home / Test Equipment / Filters offer ‘brick-wall’ performance to 7 GHz for semiconductor and IC testing

Filters offer ‘brick-wall’ performance to 7 GHz for semiconductor and IC testing

March 10, 2021 By Lee Teschler Leave a Comment

Two new filter series for high frequency testing applications–-LC17 and HC17-–provide brick wall characteristics and performance to 7 GHz making them candidates for audio-digital-conversion and digital-audio-conversion (ADC/DAC) test set ups. Such signal conditioning testing is especially important for semiconductor chips and integrated circuits where testing frequencies continue to trend higher and higher. Relevant markets include commercial, industrial, medical, military/defense and test & measurement.

TTE’s new filters leverage the steep roll-off response of Chebyshev topology in 17th-order low-pass tte(LC) and high-pass (HC) designs to address gigahertz frequencies–-much higher than traditional brick wall anti-aliasing elliptical function filters which are typically limited to less than 500 MHz.

These new LC17 and HC17 filters, while not true brick-wall filters, are designed in a way that their steep roll-offs closely resemble brick-wall filters. Moreover, because TTE’s new filters are based on Chebyshev topology, they have a slight ripple in the passband and no ripple in the stopband, unlike elliptical designs which have ripple in both the passband and stopband. Thus TTE’s filters provide desirable stopband performance at high frequency with limited passband ripple.

The passband-to-stopband ratio for the LC17 filter is -50 dBc at 1.19 fo and -60 dBc at 1.27 fo . That ratio for the HC17 filter is -50 dBc at 0.84 fo and -60 dBc at 0.78 fo. The frequency range for both filters is 1 MHz to 7 GHz. Standard or custom cases are available.

A Summary Datasheet for TTE’s LC and HC series (both combined into one PDF) provides additional information about the new LC17 and HC17 filters. Complete technical information is available at the company’s website at, respectively, the Lowpass Chebyshev (LC) page and the Highpass Chebyshev (HC) page. TTE offers low Total Harmonic Distortion (THD) versions of its filters – including the LC17T and HC17T – to improve ADC/DAC testing by reducing the harmonics inherently present in signal generators.

A technical discussion about brick wall filters – and the LC17 and HC17 series – was recently issued by TTE (an affiliate of GCG) entitled “The Need for High Frequency Brick Wall Filters“.

TTE Filters, 7426A Tanner Parkway, Arcade, NY 14009, 716-532-2234, Fax: 1-716-532-2702, Email: sales@tte.com, www.tte.com.

You may also like:

  • 5G
    Will 5G be lethal?
  • rental instruments
    The modern economics of renting test instruments
  • no you can't detect ghosts with a gauss meter
    No, you can’t detect ghosts with a gauss meter
  • leland-teschler-and-oscilloscope-feat
    No nostalgia for old test instruments

  • Basics of rectification

Filed Under: Test Equipment Tagged With: ttefilters

Reader Interactions

Leave a Reply Cancel reply

You must be logged in to post a comment.

Primary Sidebar

Current Digital Issue

A frequency you can count on There are few constants in life, but what few there are might include death, taxes, and a U.S. grid frequency that doesn’t vary by more than ±0.5 Hz. However, the certainty of the grid frequency is coming into question, thanks to the rising percentage of renewable energy sources that…

Digital Edition Back Issues

Oscilloscopes Finder

Search Millions of Parts from Thousands of Suppliers.

Search Now!
design fast globle

Subscribe to our Newsletter

Subscribe to test and measurement industry news, new oscilloscope product innovations and more.

Subscribe Today

EE TRAINING CENTER CLASSROOMS

EE Classrooms

RSS Current EDABoard.com discussions

  • Regarding Induction Heating From Low Voltage DC
  • How to use ADS?
  • Two reasons let me write this Email for you
  • AWR DE(Microwave office)
  • Pc for coding

RSS Current Electro-Tech-Online.com Discussions

  • CE Transistor Amplifier
  • Right channel distortion on vintage fisher rs-2010
  • ESP32/Arduino OTA problems
  • Circuit Problem
  • Transistor CE Characteristics

Footer

EE World Online Network

  • DesignFast
  • EE World Online
  • EDABoard
  • Electro-Tech Online
  • Analog IC Tips
  • Microcontroller Tips
  • Power Electronic Tips
  • Sensor Tips
  • Connector Tips
  • Wire and Cable Tips
  • 5G Technology World

Test & Measurement Tips

  • Subscribe to our newsletter
  • Advertise with us
  • Contact us
  • About us
Follow us on TwitterAdd us on FacebookFollow us on YouTube Follow us on Instagram

Copyright © 2022 · WTWH Media LLC and its licensors. All rights reserved.
The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of WTWH Media.

Privacy Policy