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==Patents== | ==Patents== | ||
* [http://www.google.com/patents/US4132958 US 4 | |||
* | * 3582807 Amplifier Gain Control Circuit Including Diode Bridge | ||
* 3710270 Linear Gain Control | |||
* 3906344 Oscilloscope having selectable input impedances | |||
* [http://www.google.com/patents/US4132958 US Patent 4,132,958 Feedbeside correction circuit for an amplifier] | |||
* 4390852 Buffer Amplifier | |||
* 4551636 Wide bandwidth signal coupling circuit having a variable voltage-level shift from input to output | |||
* 4647889 Rotary control having variable detents | |||
* 4667146 Voltage-controlled push-pull current source | |||
* 4704558 Method and apparatus for automatic oscilloscope calibration | |||
* 4713627 Active filter with bootstrapping | |||
* 4714896 Precision differential amplifier having fast overdrive recovery | |||
* 4725790 Broadband DC level shift circuit with feedback | |||
* 4731588 Gain selectable amplifier with resonance compensation | |||
* 4731693 Connection apparatus for integrated circuit | |||
* 5075636 Differential amplifier with fast overdrive recovery | |||
==Links== | ==Links== |