549: Difference between revisions

549 (view source)

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	The 549 is a only storage scope that takes a letter-series or 1-series vertical plug-in. It was made in the mid 1960's. The vertical -3dB bandwidth is 30MHz.		The Tektronix 549 is the only storage scope that takes a letter-series or 1-series vertical plug-in. It was made in the mid 1960's. The vertical -3dB bandwidth is 30MHz.

	Like many Tek scopes from the period, it uses a mix of transistors and tubes. For example, consider the buffer amplifier in the 549, whose purpose is to interface the high-impedance output of the plug-in with the low-impedance of the 200 nanosecond delay line in the 549.		Like many Tek scopes from the period, it uses a mix of transistors and tubes. For example, consider the buffer amplifier in the 549, whose purpose is to interface the high-impedance output of the plug-in with the low-impedance of the 200 nanosecond delay line in the 549.