80 Channel VME Digital Input / Output Card with Interrupts

PAS 9795/DIO - Precision Analog Systems Co. (Precision)

The PAS 9795/DIO is a VME based, 80 Channel, TTL level, Digital Input / Output card. Sixty-four of the channels are arranged as eight byte wide bi-directional data ports. Each port consists of an eight-bit output data register with output enable, and an eight bit input buffer. The input buffers always monitor the state of the I/O lines, and the output data registers can either drive the I/O lines, or disconnect from the I/O by assuming a high impedance state.

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VME I/O Boards

Precision Analog Systems Co.

These cards include analog input and output cards, digital input and output cards, and waveform generator cards. Most of these cards were done as special designs, and have been converted into commercial off the shelf, (COTS), products. If you don’t see exactly what you need, we can provide you with a quote for a board that will be designed and built to your specifications. A list of our standard products is provided below.

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32 Channel 12 Bit VME Analog Output Card

PAS 9715/AO - Precision Analog Systems Co.

The PAS 9715/AO provides thirty-two, twelve bit analog voltage output channels on a 6U VMEbus card. VME systems with A16, A24, or A32 addressing are supported, and data writes of 16 or 32 bits can be used. Pluggable jumpers are used to configure the width of the address bus and the data bus width is specified by the instruction type.

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16 Channel 16 Bit VME Analog Output Card

PAS 9716/AO-SMT - Precision Analog Systems Co.

The PAS 9716/AO provides sixteen channels of sixteen-bit Analog Output. The card can be used in VME systems with A16, A24, or A32 addressing, and data writes of 16 and 32 bits are supported. DIP switches are used to configure the width of the address bus. The data bus width is specified by the instruction. Highspeed voltage output DAC’s, with 6 uSec typical settling times are used on this card .The DAC output signals are available on a 37 pin D connector mounted through the front panel. Two digital output signals are also provided on the output connector.

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16 Channel 16 Bit VME Analog Output Card

PAS 9816/AO - Precision Analog Systems Co.

The PAS 9816/AO provides sixteen analog output channels with sixteen bit resolution on a standard 6U x 160mm VME card. Analog output voltage range is ± 10 Volts with ± 5 mAmp output current drive per channel. Settling time is 3 uSec typically and 4 uSec maximum.

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8 Channel 16 Bit High Power VME Analog Output Card

PAS 9717/AO-SMT - Precision Analog Systems Co.

The PAS 9717/AO-SMT provides eight high power analog output channels with sixteen-bit resolution on a 6U VME card. Each channel consists of a high speed Digital to Analog Converter, (DAC), followed by a high power operational amplifier. The output amplifiers are capable of supplying 50 mAmps of current, and will accept power supply voltages up to +/- 100 Volts. The total power dissipated by the amplifiers must be considered for each application to determine if the amplifier will drive the load.

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8 Channel 16 Bit VME Current Output Card (+/- 40 mA)

PAS 9818/AO - Precision Analog Systems Co.

The PAS 9818/AO provides eight programmable current output channels with sixteen bit resolution on a 6U VME card. Each channel consists of a high speed Digital-to-Analog Converter (DAC), followed by a high power operational amplifier. The output amplifier is configured to provide an output current that is proportional to the output voltage from the DAC.

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4 Channel 16 Bit VME Isolated Current Output Card (+/- 40 mA)

PAS 9819/AO - Precision Analog Systems Co.

The PAS 9819/AO provides four isolated, programmable current output channels with sixteen bit resolution on a 6U VME card. Each channel consists of a high speed Digital-to-Analog Converter (DAC), followed by a high power operationalamplifier.

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32 Ch. Simultaneous Sampling 12 Bit VME Analog Input Card

PAS 9723/AI - Precision Analog Systems Co.

The PAS 9723/AI provides thirty-two, simultaneous sampling, twelve bit, analog input channels on a 6U format VME card. VME systems with A16, A24, or A32 addressing are supported, and data reads of 16 bits are used to access the input channels. DIP switches are used to configure the width of the address bus

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8 Channel 14 Bit 3 MSPS VME Analog Input Card

PAS 9732/AI - Precision Analog Systems Co.

The PAS 9732/AI is a VME based, eight channel, 14 bit, 3 MHz per channel, Analog Input Card. This card can be used in VME systems with A16, A24, or A32 addressing, and data bus widths of 16 and 32 bits are supported. Jumper plugs are used to configure the width of the address and data buses. Eight high speed Analog to Digital Converters (ADCs) with 3 MHz conversion rates continuously scan the analog input signals, which are connected to a 25 pin D connector mounted through the front panel.

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64 Channel 16 Bit VME Analog Input Card

PAS 9737/AI - Precision Analog Systems Co.

The PAS 9737/AI-SMT provides 64 analog input channels multiplexed into a scanning 16-bit Analog to Digital Converter, (ADC). Low pass filters are provided for the analog input signals and four different cutoff frequencies are available as options.

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32 Channel VME Change of State Card with Time Stamping

PAS 9764/DI - Precision Analog Systems Co.

The PAS 9764/DI is a VME based, 32 channel, digital input card with Change of State (COS) detection and time stamping. Input signals are monitored and when a change of state is detected, the card stores the state of the input signals and the time of the change, as determined by an internal clock, in an on board FIFOmemory.

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8 Channel VME Sine / Pulse Generator Card

PAS 9782/GEN - Precision Analog Systems Co.

The PAS 9782/GEN is a VME based, eight channel function generator card. Each channel contains a Direct Digital Synthesis (DDS) chip that can be programmed to generate sine wave output signals. This DDS device is a Numerically Controlled Oscillator (NCO), employing a phase accumulator, a sine look-up table and a 10 bit D/A converter.

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8 Channel VME Synchronized Sine / Pulse Generator Card

PAS 9883/GEN - Precision Analog Systems Co.

The PAS 9883/GEN is a VME based, eight channel function generator card. Each channel contains a Direct Digital Synthesis (DDS) chip that can be programmed to generate sine wave output signals. This DDS device is a Numerically Controlled Oscillator (NCO), employing a phase accumulator, a sine look-up table and a 10 bit D/A converter.

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160 Channel VME Digital Input / Output Card with Interrupts

PAS 9796/DIO - Precision Analog Systems Co.

The PAS 9796/DIO is a VME based, 160 Channel, TTL level, Digital Input / Output card. One hundred twenty-eight of the channels are arranged as 16 byte wide bi-directional data ports. Each port consists of an eight-bit output data register with output enable, and an eight bit input buffer.

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160 Channel VME Digital Input / Output Card without Interrupts

PAS 9797/DIO - Precision Analog Systems Co.

The PAS 9797/DIO is a VME based, 160 Channel, TTL level, Digital Input / Output card. One hundred twenty eight channels are arranged as sixteen, byte wide bi-directional data ports. These are the primary data ports and support 32 bit transfers. The remaining thirty two channels are arranged as four byte wide bidirectional data ports. Each port consists of an eight bit output data register with output enable, and an eight bit input buffer.

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