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LT1251 LT1251

Application Notes

• Download
  Linear Technology Magazine Circuit Collection, Volume III &mdash AN67
  PDF, 1.2 Mb, File published: Sep 1, 1996
  Application Note 67 is a collection of circuits for data conversion, interface and signal processing from the first five years of Linear Technology. This application note includes circuits such as fast video multiplexers for high speed video, an ultraselective bandpass filter circuit with adjustable gain, and a fully differential, 8-channel, 12-bit A/D system. The categories included in this app note are data conversion, interface, filters, instrumentation, video/op amps and miscellaneous circuits.
  Extract from the document

  Application Note 67
  September 1996
  Linear Technology Magazine Circuit Collection, Volume III
  Data Conversion, Interface and Signal Processing
  Richard Markell, Editor
  INTRODUCTION
  Application Note 67 is a collection of circuits from the first
  five years of Linear Technology, targeting data conversion,
  interface and signal processing applications. This
  Application Note includes circuits such as fast video
  multiplexers for high speed video, an ultraselective
  bandpass filter circuit with adjustable gain and a fully differential, 8-channel, 12-bit A/D system. The categories
  included herein are data conversion, interface, filters,
  instrumentation, video/op amps and miscellaneous
  circuits. Application Note 66, which covers power products
  and circuits from Linear Technology ’s first five years, is
  also available from LTC. ARTICLE INDEX
  Data Conversion . 3
  Fully Differential, 8-Channel, 12-Bit A/D System Using the LTCВ®1390 and LTC1410 . 3
  12-Bit DAC Applications . 5
  LTC1329 Micropower, 8-Bit, Current Output DAC Used for Power Supply Adjustment,
  Trimmer Pot Replacement . 7
  12-Bit Cold Junction Compensated, Temperature Control System with Shutdown . 8 …

• Download
  Linear Technology Magazine Circuit Collection, Volume V: Data Conversion, Interface and Signal Conditioning Products &mdash AN87
  PDF, 1.5 Mb, File published: Nov 1, 2000
  Application Note 87 is the fifth in a series that excerpts useful circuits from Linear Technology magazine. Data conversion, interface and signal conditioning circuits from issue VI:1 (February 1996) through issue VIII:4 (November 1998) are featured. Like its predecessor, AN67, this Application Note includes circuits for high speed video, interface and hot swap circuits, active RC and switched capacitor filter circuitry and a variety of data conversion and instrumentation circuits. All circuits are conveniently indexed by type.
  Extract from the document

  Application Note 87
  November 2000 Linear Technology Magazine Circuit Collection, Volume V
  Data Conversion, Interface and Signal Conditioning Products
  Richard Markell, Editor
  INTRODUCTION
  Application Note 87 is the fifth in a series that excerpts
  useful circuits from Linear Technology magazine to preserve them for posterity. This application note highlights
  data conversion, interface and signal conditioning circuits
  from issue VI:1 (February 1996) through issue VIII:4
  (November 1998). Like its predecessor, AN67, this Application Note includes circuits for high speed video, interface and hot swap circuits, active RC and switched capacitor filter circuitry and a variety of data conversion and instrumentation circuits. There are also several circuits
  that cannot be so neatly categorized. So, without further
  ado, I’ll let the authors describe their circuits.
  Note: Article Titles appear in this application note exactly
  as they originally appeared in Linear Technology magazine. This may result in some inconsistency in the usage
  of terminology. TABLE OF CONTENTS
  Introduction . 1
  DATA CONVERTERS
  The LTC®1446 and LTC1446L: World’s First Dual 12-Bit DACs in SO-8 Packages . 3
  Multichannel A/D Uses a Single Antialiasing Filter. 4
  LTC1454/54L and LTC1458/58L: Dual and Quad 12-Bit, Rail-to-Rail, Micropower DACs . 5
  Micropower ADC and DAC in SO-8 Give PC 12-Bit Analog Interface . 7
  The LTC1594 and LTC1598: Micropower 4-and 8-Channel 12-Bit ADCs . 10
  MUX the LTC1419 Without Software . 13 …

Design Notes

• Download
  An Adjustable Video Cable Equalizer Using The LT1256 &mdash DN92
  PDF, 131 Kb, File published: Dec 1, 1994
  Extract from the document

  An Adjustable Video Cable Equalizer – Design Note 92
  Frank Cox
  This design note presents a voltage controlled cable
  equalizer based on the LTВ®1256 video fader. The circuit
  features ease of adjustment, simplicity and the capability
  for remote control. The amount of equalization can be
  adjusted continuously from the maximum allowed by the
  passive components to none at all. While the example
  shows video, this high performance equalizer can be
  used in any system using long runs of coaxial cable or
  twisted pair to transmit analog signals.
  A voltage or current controlled equalizer is essential in
  systems which automatically set cable compensation.
  In systems where cable equalization is set manually, a
  voltage controlled equalizer is still preferred as it does
  not require routing the signal path to the control. Instead, only a DC control voltage passes from the front
  panel to the equalizer.
  Automatic equalization is possible for properly characterized video cables. Maximum equalization is set to
  coincide with the maximum length of cable expected;
  the equalizer is controlled by a servo loop. One method
  of generating the necessary control voltage is to sample
  the color burst amplitude and compare this with a
  +V reference voltage using a summing integrator. Since the …

Model Line

Manufacturer's Classification

• Signal Conditioning > Amplifiers > Video Functions
• Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > Current Feedback Amplifiers | High Voltage Amplifiers (>12V) | Low Noise Amplifiers (

Other Names:

LT1256CNPBF, LT1256CN PBF