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3C66: Difference between revisions
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The Tektronix 3C66 Carrier Amplifier is a plug-in [[introduced in 1963]] for | {{Plugin Sidebar 2 | | ||
title=Tektronix 3C66 | | |||
summary=Carrier Amplifier plugin | | |||
image=3c66_front.jpg | | |||
caption=Tektronix 3C66 | | |||
series=[[560-series scopes]] | | |||
introduced=1963 | | |||
discontinued=(?) | | |||
manuals= | |||
* [http://bama.edebris.com/download/tek/3c66/tek%203c66.v6.pdf Tektronix 3C66 Manual (PDF)] | |||
}} | |||
The '''Tektronix 3C66 Carrier Amplifier''' is a plug-in [[introduced in 1963]] for | |||
[[560-series scopes]]. | [[560-series scopes]]. | ||
It is designed to amplify signals from transducers such as strain gauges, whose | It is designed to amplify signals from transducers such as strain gauges, whose | ||
impedance varies based on, for example, mechanical strain. | impedance varies based on, for example, mechanical strain. | ||
These transducers are usually connected in a bridge circuit. | These transducers are usually connected in a bridge circuit. | ||
The 3C66 drives the bridge with a | |||
The 3C66 drives the bridge with a 25 kHz "carrier" signal, | |||
which is modulated by the relative | which is modulated by the relative | ||
impedances of the arms of the bridge. | impedances of the arms of the bridge. | ||
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The 3C66 provides built-in variable impedances for balancing the bridge. Because the | The 3C66 provides built-in variable impedances for balancing the bridge. Because the | ||
carrier is | carrier is 25 kHz, the maximum bandwidth of the measured quantity is 5kHz. This limitation | ||
is due to the settling time of the envelope detector. In addition to the vertical | is due to the settling time of the envelope detector. In addition to the vertical | ||
deflection signal, the 3C66 provides a front panel output of the measured signal. | |||
==Pictures== | |||
<gallery> | <gallery> | ||
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[[Category: | [[Category:560 series plugins]] | ||