Categories: Converters, D/A converters
Manufacturer: Keysight Technologies (Agilent HP)
Model: 44727B
Condition: Used
Keysight (formerly Agilent T&M) 44727B 4 Channel Current DAC
Description
This product was manufactured by Keysight or Hewlett-Packard many years ago. We provide this page to assist you in using or replacing your product.
If this product’s status is “Discontinued”: This product is no longer sold by Keysight, but is still fully supported. You can receive free enhanced self-support via the Keysight website or (if you have a valid support agreement with Keysight) by calling or emailing the Keysight Contact Center. Repair and calibration agreements and per-incident services are available from Keysight Service Centers. You can reach Keysight by using the “Contact Us” link at the top right of this page.
If this product’s status is “Obsolete”: You can receive free self support via the Keysight website only; technical support is not available through other Keysight support channels. Calibration may still be available from an Keysight Service Center if no repair or parts are needed.
The HP 44727B (as well as the 44727A and 44727C) is one of the 4-channel Voltage/Current DAC plug-in accessories for the 3852A mainframe.
The 44727B has all four channels configured for current outputs. Each channel has remote sense capability for accurate outputs at the test point. The channels can float up to 170 volts peak above ground.
The 44727B consists of a component module and a terminal module. The component module contains both analog and digital sections. The digital section consists of a local controller to interface with the backplane and channel drivers. The analog section is identical for each channel and consists of error amplifiers, sense amplifiers, output buffers, and potentiometers for calibration. The terminal module contains jumpers to configure and calibrate the output channels. The module also contains terminal strips for user connections and calibration resistors for current.
An important feature of the 44727B is monotonicity, which guarantees that the output will never change in a direction other than that programmed. For example, if a current channel is set for a 5 mA output and then programmed for a 2 mA output, actual output will not be greater than 5 mA.
Because the 44727B consumes a relatively large amount of power, a limited number of accessories can be installed in the 3852A.
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Product Specs
(From Used-Line T&M Specifications)
Keysight formerly Agilent T&M 44727B
Description: