V253
VXI Programmable Gain Filter Module

The V253 is a single-width, C-size, register-based, VXIbus module that contains 16 channels of programmable-frequency, low-pass filtering.

Each differential input signal is received by a programmable gain instrumentation amplifier which provides typically -120 dB of common-mode rejection. Gains of 1, 2, 5, and 10 with multipliers of 1, 10, and 100 are programmable on a channel-by-channel basis.

V253 options provide low-pass Bessel filters for all channels. Standard cutoff frequencies of 20 Hz, 200 Hz, 1 kHz, and 2 kHz are programmable on a channel-by-channel basis or may be bypassed. These filters are also suitable for eliminating extraneous signals (such as 60 Hz noise) or for anti-aliasing.

VXI Programmable Gain Filter Module: V253

V253 Data Sheet

Supporting Software

Supporting Chassis

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The V253 is also available with an optional sample/hold amplifier per channel. This option provides for simultaneous sampling of all channels by using the VXIbus trigger lines. Input and output signals appear at the V253 front panel through 68-contact High Density connectors. The differential input signals are brought in via one of these connectors and the filtered output pairs use a second connector. The output signals are also available as four multiplexed channels on the VXI Local Bus, using the KineticSystems MUX-bus protocol for the V207 or V208 ADC Host modules.

Calibration inputs are provided via the front panel connector, a mainframe reference from the MUX-bus, or from an on-board reference. A removable termination housing is available for convenient I/O wiring.

The V253 supports both static and dynamic configuration. It may be accessed using A24/A16, D16 data transfers.

VXI Module Features

  • Provides Programmable Cutoff Frequencies with 6-Pole Roll-Off
  • 16 Differential Channels
  • Programmable Gain on all Channels
  • Optional 6-Pole Low-Pass Filter with Programmable Cutoff
    Frequencies: 20, 200, 1000, 2000 Hz; or 20 kHz Bypass
  • Optional Simultaneous Sampling
  • Output Available at Front Panel or MUX-Bus
  • Use with V207: 16-Bit, 500 KSPS ADC Host Module
  • Use with V208: 16-Bit, 100 or 200 KSPS ADC Host Module

VXI Module Ordering Information

V253 Products and Part Numbers
16 Channels Programmable Gain,
No Filters
V253-ZAA1
16 Channels Programmable Gain,
No Filters, 8 Channels Simultaneous Sampling
V253-ZAB1
16 Channels Programmable Gain,
No Filters, 16 Channels Simultaneous Sampling
V253-ZAC1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 8 Channels
V253-ZBA1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 8 Channels,
8 Channels Simultaneous Sampling
V253-ZBB1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 8 Channels,
16 Channels Simultaneous Sampling
V253-ZBC1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 16 Channels
V253-ZCA1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 16 Channels,
8 Channels Simultaneous Sampling
V253-ZCB1
16 Channels Programmable Gain,
6-Pole Bessel Filter for 16 Channels,
16 Channels Simultaneous Sampling
V253-ZCC1