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Tekprobe BNC connector: Difference between revisions
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a ×10 probe will connect this pad to ground through 11 kΩ, or short it to ground when the Identify button | a ×10 probe will connect this pad to ground through 11 kΩ, or short it to ground when the Identify button | ||
is pressed — see [[7000 series readout system]] for details). The smaller pads carry +15 V, +5 V, −5 V and −15 V | is pressed — see [[7000 series readout system]] for details). The smaller pads carry +15 V, +5 V, −5 V and −15 V | ||
power, an offset voltage supplied and controlled by the mainframe, and a clock/data signal pair for serial | power, an offset voltage (-1 V to +1 V) supplied and controlled by the mainframe, and a clock/data signal pair for serial | ||
communication between the mainframe and "smart" probes. Probes are allowed to draw max. 1.25 W, max. 75 mA from the ±5 V rails, and max. 25 mA from the ±15 V rails. | communication between the mainframe and "smart" probes. Probes are allowed to draw max. 1.25 W, max. 75 mA from the ±5 V rails, and max. 25 mA from the ±15 V rails. | ||