# Model VM32PA - Programmable Amplifier VME Board

## Description

️· VMEbus amplifier board with software-programmable differential amplifiers.
️· Provides simultaneous access to 32 DC-coupled wideband signals.
️· Programmable gain: -12dB to +60dB in 6dB steps.
️· Signal bandwidth: 100 Hz to 100 kHz.
️· Configurable with 8, 16, or 32 channels.
️· Conforms to VME revision C.1 (A16/D16 Slave).
️· Options: AC-coupled input and/or differential output.

## Features/Benefits

️· 32 Channels provide a low-cost and versatile solution for amplification.
️· Three active read/write registers for programming and setup verification.
️· Excellent performance: Interchannel crosstalk <-100 dB, phase match 0.2°, gain accuracy ±0.1 dB.
️· High channel density maximizes chassis utilization.

## Applications

️· Sonar, navigation, aerospace
️· Engine test and simulation
️· Acoustic and vibration analysis
️· Satellite and telecommunications
️· Laboratory R&D
️· Automatic test equipment (ATE)
️· Industrial process control

## Specifications

️· Gain: Programmable from 0.25X to 1024X in factors of 2.
️· Gain Accuracy: ±0.1 dB at DC.
️· Signal Bandwidth: 100 kHz (gain ≥6dB), 500 kHz (gain <6dB).
️· Amplitude Match: ±0.1 dB at DC, linear to ±0.25 dB.
️· Phase Match: 0.2° typ., 1° max.
️· Noise Voltage: 20 nV/√Hz @ 1 kHz, G=1,000.
️· Distortion: -83dB @ 1 kHz (single ended) and -86dB (differential).
️· Input Impedance: 1 MΩ//22pF
️· Maximum Input Voltage: ± 15 V
️· Operating Temperature: 0°C to +70°C
️· Storage Temperature: -25°C to +85°C
️· Card Size: VMEbus 6U single slot (9.17 x 6.3 inches / 233 x 160 mm)
️· Input Channels: 32 Differential
️· Output Channels: 32 Single Ended (two groups of 16)
️· Weight: 1 LB (454 grams)