The Tektronix 465 Dual Trace Portable Oscilloscope is a wide-band, portable oscilloscope with a sync separator for aid in measuring various TV waveforms. The dual-channel DC to 100 MHz vertical deflection system provides calibrated deflection factors from 5 mV to 5 V/division. The bandwidth limiting switch reduces interference from signals above about 20 MHz for viewing low-frequency, low-level signals. The trigger circuits provide stable sweep triggering to beyond the bandwidth of the vertical deflection system. Separate controls are provided to select the desired mode of triggering for the A & B sweeps. The A sweep can be operated in one of three modes: automatic triggering, normal triggering, or single sweep. The horizontal deflection system has calibrated sweep rates from 0.5 S to 0.05 µS/div. Added circuits provide amplification, selectable polarity inversion, clipping, & vertical-sync recognition with output of vertical (field-rate) triggers to Sweep A & horizontal (line-rate) triggers to the Sweep B Triggering Source switch.
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