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ACVS: Difference between revisions
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Tektronix 11000-series plug-ins contain a subsystem called the Analog Control Voltage System (ACVS). | Tektronix 11000-series plug-ins and mainframes contain a subsystem called the Analog Control Voltage System (ACVS). | ||
The ACVS produces several independently controllable DC voltages. | The ACVS produces several independently controllable DC voltages. | ||
The voltages are fed to the analog signal path circuitry (e.g., the OFFSET input of the [[M377]], | The voltages are fed to the analog signal path circuitry (e.g., the OFFSET input of the [[M377]], | ||
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For example, the [[11A34]], which has four channels, has an ACVS that produces sixteen control voltages. | For example, the [[11A34]], which has four channels, has an ACVS that produces sixteen control voltages. | ||
== AVCS in 11000-Series Plug-ins == | |||
The ACVS comprises three parts: | The ACVS comprises three parts: | ||
* [[Media:AD667.pdf|AD667]] 12-bit DAC (single output) | * [[Media:AD667.pdf|AD667]] 12-bit DAC (single output) | ||
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Tektronix 11A52 main amp & control schematic.JPG|ACVS sample and hold schematic in the [[11A52]] | Tektronix 11A52 main amp & control schematic.JPG|ACVS sample and hold schematic in the [[11A52]] | ||
</gallery> | </gallery> | ||
== ACVS in 11000-Series Mainframes == | |||
In the 11300 mainframes, the ACVS is controlled by an 8051-family microcontroller. | |||
It employs a [[Media:DAC312.pdf|DAC312]] 12-bit DAC, whose output is fed to an array of sample-and-hold circuits similar to the ones in the plug-ins. | |||