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7A16P: Difference between revisions
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The '''Tektronix 7A16P''' is a single channel, programmable, vertical amplifier for [[:Category:7000_series_digitizer_mainframes|7000-series digitizing mainframes]]. All functions of the 7A16P can be remotely programmed via the [[GPIB]] 7000-series main interface bus, with exception of the variable gain control and the probe identify switch. It is special among the 7000-series vertical amplifiers since it offers a switchable 1 MΩ/50 Ω input impedance, only paralleled by the [[7A42]]. The 7A16P is also unique as it has two input BNC connectors, but is strictly a single channel plugin, | The '''Tektronix 7A16P''' is a single channel, programmable, vertical amplifier for [[:Category:7000_series_digitizer_mainframes|7000-series digitizing mainframes]]. All functions of the 7A16P can be remotely programmed via the [[GPIB]] 7000-series main interface bus, with exception of the variable gain control and the probe identify switch. It is special among the 7000-series vertical amplifiers since it offers a switchable 1 MΩ/50 Ω input impedance, only paralleled by the [[7A42]]. The 7A16P is also unique as it has two input BNC connectors, but is strictly a single channel plugin, having a switch that routes one of the BNC connectors to the amplifier circuits. This feature is handy in remote-controlled digitizing applications. | ||
It was mainly intended for use in the [[7612D]] and the [[7912|7912 family]], but can also be used in the [[7854]] if paired with a [[021-0374-00]] and internally modified by adding cables for a 18 pin header and setting jumpers correctly. It is not recommended to use the 7A16P in any conventional 7000-series mainframe since it expects +5.1 V at pins [[7000_Series_plug-in_interface|B27 and A9 of the mainframe interface]], and shorts them together. A9 is the 5V light pin on conventional mainframes, and its current rating might be too low for successful operation of the 7A16P. In the [[7854]] the "Control Illumination" switch at the rear must be at "high" to supply 5V at A9. | It was mainly intended for use in the [[7612D]] and the [[7912|7912 family]], but can also be used in the [[7854]] if paired with a [[021-0374-00]] and internally modified by adding cables for a 18 pin header and setting jumpers correctly. It is not recommended to use the 7A16P in any conventional 7000-series mainframe since it expects +5.1 V at pins [[7000_Series_plug-in_interface|B27 and A9 of the mainframe interface]], and shorts them together. A9 is the 5V light pin on conventional mainframes, and its current rating might be too low for successful operation of the 7A16P. In the [[7854]] the "Control Illumination" switch at the rear must be at "high" to supply 5V at A9. | ||