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The Tektronix TDS 784A Four-channel Color 1 GHz Digitizing Oscilloscope is used for acquiring, displaying, and measuring waveforms. Its performance addresses the needs of both benchtop lab and portable applications. The TDS 784A introduces InstaVu Acquisition mode with waveform capture rates exceeding 400,000 waveforms per second, InstaVu allows you to instantaneously capture glitches and signal anomalies. Specifications. Channels: 4. Samplers: 4. Bandwidth: 1 GHz. Maximum Sample Rate: 4 GS/s (1 channel), 2 GS/s (2 channels), 1 GS/s (4 channels). Maximum Record Lengths: 500,000 Points. Time Bases: Main, Delayed. Time/Division Range: 200 ps to 10 s/div. Time-base Accuracy: ±25 ppm over any interval >= 1 ms. Pre-trigger Position: 0 to 100% of record. Delay Between Channels: <= 50 ps between any two channels with equal V/div and coupling. DC Gain Accuracy: ± 1.0%. Vertical Resolution: 8-Bits (256 levels over 10.24 vertical divisions) , > 13-Bits with Hi-Res, 11-Bits with averaging. Analog Bandwidth Selections: 20 MHz, 100 MHz, and full. Input Coupling: AC, DC or GND. Input Impedance Selections:1 M-ohm in parallel with 10 pF, or 50 ohm (AC and DC coupling). Maximum Input Voltage: ±400 V (DC + peak AC). Derate at 20 dB/decade above 1 MHz, 1 M-ohm or GND coupled. Channel Isolation: > 100:1 at 100 MHz and >30:1 at bandwidth for any two channels having equal V/div settings. Step Response Setting: <= 0.5% error within 20 ns of a <= 2 V step. Sensitivity: 1 mV to 10 V/div. Position Range: ±5 Divisions. Offset: ± 1 V from 1 to 100 mV/div. ± 10 V from 101 mV to 1 V/div. ± 100 V from 1.01 to 10 V/div. GPIB (IEEE 488.2) - Full Programmability. Options. Opt. 05 - Video Trigger, NTSC, PAL, HDTV, FlexFormat. Opt. 1 M - 500 K Memory Length.
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