# Model VM8PF - Programmable VME Filter Board

## Description
· 8-channel VMEbus filter board
· Software programmable, precision linear analog filtering
· B-size (6U) VME form factor
· Accepts up to eight high-level differential signal inputs
· Provides signal buffering and unity gain filtering for each channel
· Configurable with 4- or 8-pole filters (D824 or D828)
· Tuning ranges from 1.0 Hz to 102.4 kHz
· Supports high- or low-pass transfer functions

## Features & Benefits
· Simultaneous 8-channel sampling
· Solves precision performance problems
· Broad range of transfer characteristics
· Low harmonic distortion and wide signal-to-noise ratio

## Applications
· Engine test and simulation
· Automotive test cells
· Aerospace, navigation & sonar
· Laboratory R&D
· Acoustic and vibration analysis
· Satellite & Telecommunications
· Automatic test equipment (ATE)
· Industrial process control

## Ordering Information
· Model: VM8PF-8-D828H8E-2

## Filter Options
· Low-Pass: 4-pole D824, 8-pole D828
· High-Pass: 4-pole D824, 8-pole D828
· Band-Pass: 2-pole pair 824BP, 4-pole pair 828BP
· Band-Reject (Notch): 4-pole pair 828BR

## Specifications
· Analog Input:
- Impedance: 1 MΩ
- Input Range: +/-10V pk. linear
- Maximum Input: +/-15V
- Common Mode Rejection: 70 dB typ. (60dB min.) DC to 1 kHz
· Analog Output:
- Impedance: 1 W typ. (10 W max.)
- Linear Operating Range: +/-10V pk.
- Channel-to-Channel Crosstalk: -95 dB typ. DC to 100 kHz
- Maximum Current: +/-2mA
- Offset Voltage: +/-2mV typ. (trimmable to zero)
- Short Circuit Protection: Short to Ground
· Filter Characteristics: Refer to 824 and 828 Series specifications
· Gain: Low-pass X1, +/-1%; High-pass X1, +/-2%
· VMEbus: A16/D16, D08(EO) Slave, VME Spec. Rev. C.1
· Power Supply: +5V from VME Backplane, 3.5A max.
· Environmental:
- Operating: 0°C to +70°C
- Storage: -25°C to +85°C
- Humidity: 0-95% non-condensing
· Mechanical:
- Card Size: VMEbus 6U, 9.17 x 6.3 inches (233 x 160 mm)
- Input Channels: 8 Differential, DC coupled
- Output Channels: 8 Single Ended, DC coupled
- Mating Connectors: 3 x 25-pin "D"
- Weight: 3 lbs. (1.36 kg)