TAS455 Tektronix Analog Oscilloscope

Used

The TAS455 is a 60 MHz analog oscilloscope from Tektronix. Measure voltage or current signals over time in an electronic ciruit or component to display amplitude, frequency and rise times, etc. Applications include troubleshooting, production test, and design.

Additional Features:

  • Bandwidth: 60 MHz
  • 2 Channels
  • Rise time: 5.8 ns
  • Min. Vertical Sensitivity: 2 mV/div
  • Maximum Vertical Sensitivity: 5 V/div
  • Deflection Factor Accuracy: 2.5 %
  • Input Coupling: AC, DC, GND
  • Input Impedance: 1 MΩ
  • Delayed Time Base
  • Measurement Cursors
  • Readout
  • Front Panel Setup Memory
  • External trigger input
  • Complete Cursor Measurement System: Voltage, Time, and Frequency
  • Auto Setup
  • Store/Recall of Setups
  • Video Trigger
  • Trigger/Ground Reference Indicator

Applications:

  • Training
  • Manufacturing Production Test
  • Field Repair
  • Bench Calibration and Repair
  • Product Design

The Tektronix TAS455 is a 60 MHz, 2 Channel Analog Oscilloscope.

Streamlined Interface

Modeled after the brilliant TDS Series inter­ face, the TAS interface simplifies scope operation without limiting the instrument's capabilities.
Important and frequently used functions, such as horizontal and vertical position, are controlled directly with buttons and knobs. Secondary functions are menu driven, eliminating the profusion of buttons found on most low-cost analog scopes.

For instance, to trigger on most signals, you simply press the SET LEVEL TO 50% button and the scope will set the trigger level to the midpoint of the signal. Because a trigger signal's level often changes, these scopes have Auto Level to retain the triggered signal. Adjusting the trigger level control indicates the trigger point on the screen.

The TAS 400 Series brings leading-edge innovation to low-cost analog scopes with a comprehensive set of features.
Auto Setup instantly delivers meaningful waveforms. Pressing the AUTOSET button automatically adjusts the horizontal, vertical, and triggering controls to display a stable signal.

Indispensable when trying to trigger and display unknown waveforms, Auto Setup also helps inexperienced users display useful waveforms quickly.

Cursors with readouts in the display greatly ease the task of measuring waveforms. Complete with menus, the cursors can measure frequency, delta time, delta volts, and absolute volts from the ground reference.
Save/Recall Setup stores up to four front-­panel setups. With this feature you can save complex setups and recall them within seconds.

Comprehensive Video Triggering simplifies triggering on complex video waveforms. With line or field (odd, even, or both) composite video selections and positive or negative sync, you can cleanly trigger on any NTSC, PAL, or SECAM video signal. And the scopes' dual time bases let you zoom in on any portion of a waveform for closer examination.

The TAS 400 Series' Rugged Probes are the result of years of design innovation and customer feedback. These passive probes have a slim, pen-like design with a patented, one-piece, resilient rubber body.

Still comfortable to handle, the probes' sturdy construction protects their internal circuitry. The TAS 400 Series' probes can withstand extreme mechanical abuse while maintaining their superior measurement capability.

Performance and Reliability with Reduced Maintenance
A sophisticated hybrid circuit houses the entire acquisition system, including the vertical, horizontal, and trigger functions. Virtually a scope-on-a-chip, the hybrid gives TAS scopes more than three times the relia­bility of previous models. The hybrid, which is manufactured in-house at Tektronix, easily meets its specs over thousands of hours of use.

Another advantage of reduced circuitry with few connectors is a 50% improvement in mean-time-to-calibration. When calibration is necessary, there are fewer than fourteen manual adjustments.

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