90PGA Slot Card Dual Channel Programmable Amplifier Slot Card For 90IP Instrumentation Platform Description: For use in the 90IP Instrumentation Platform, each 90PGA slot card provides design engineers with two channels of precision, low noise and distortion programmable amplifiers with up to 60 dB of adjustable gain in 0.50 dB steps over a 1 MHz bandwidth. Front panel mounted BNC’s offer easy access for connection of signal input and output. Other features include differential or singleended input, AC or DC-coupled input, single ended output, LED clipping indicators and fine adjustment of DC offset. Features: • Selectable single-ended or differential input, AC or DC coupled. • Gain/phase matched channels • LED clipping indicators • Memory storage for up to 9 set-ups/channel • Input noise 12 nV/ Hz typ. • Programmable gain, 60 dB in 0.5 dB steps • Input protection to 150 Volts P-P • Outputs able to drive full range into 50 Ω. • Hard front panel with remote GPIB and RS232 interfaces provided. Applications: • Sound Measurement • Noise Testing • Audio Communications • Medical Research • Industrial Process Control • Seismic Analysis • Vibration Analysis Providing Real World analog and DSP solutions for the following industries: Health Space Defense Science Engineering Technology 1 1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176 e-mail: [email protected] • Web Address: http://www.freqdev.com 90PGA Slot Card Dual Channel Programmable Amplifier Slot Card For 90IP Instrumentation Platform Signal Input 1 Gain Channel 1 2 Signal Output 1 BNC AC/DC SNG/DIF BNC 10 Signal Input 2 Gain Channel 2 2 Signal Output 2 BNC AC/DC 10 CPLD DAC SNG/DIF BNC CPLD DAC SPI BUS EEPROM for PROGRAM CODE AT25256 P89C660 25C080 EEPROM for PARAMETERS 32-PIN CONNECTOR TO BACKPLANE Figure 1 – Signal Path Block Diagram 2 1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176 e-mail: [email protected] • Web Address: http://www.freqdev.com 90PGA Slot Card Dual Channel Programmable Amplifier Slot Card For 90IP Instrumentation Platform Input Characteristics: Input Impedance: Differential Single Ended Coupling Maximum Input Signal Input Voltage: Linear Differential Max. Safe Differential Bias Current Common Mode Rejection Ratio with 2kΩ source unbalance and 0 dB gain Output Characteristics: Full Power Bandwidth Small Signal Bandwidth Specification @ 25ºC Gain Settings: Tolerance 2 MΩ shunted by 47pF Signal Bandwidth 1 MΩ shunted by 47pF Amplitude Match AC or DC Gain Accuracy@ DC ±10V pk @0 dB Amplifier Characteristics: 20Vp-p (Gain Set at 0 dB) Distortion @ 1 kHz Any Continuous value Noise Density between ±40V 1 nA typ., 2 nA max. General: Cross Talk between Channels 0 to 60 dB in 0.5 dB steps ±0.05 dB [email protected] MHz@ +60 dB ±0.1 dB @ DC ±0.1 dB <-100 dB typ. @ 3.0 Vrms 12 nV/ Hz typ. 14 nV/ Hz max. <-100 dB @ 1 kHz >60 dB, dc to 50kHz dc to 1.0 MHz 1.0 MHz @ -6dB Operating Temperature 0ºC to 50ºC Offset Temperature Coeff. 10µV/ºC RTI Humidity 0 to 95%, non-condensing Slot Card Dimensions 100 x 220 mm (3U) (1V pk-pk) Related Output Output Protection Output Impedance Offset Voltage (Range ±100mV dc) 10V p-p for RL = 50Ω 20V p-p for RL = 2kΩ Short circuit to Ground 50Ω Adjustable to zero in 1 mV steps. Weight 0.60 Lbs., (0.3 Kg.) Ordering Information 90PGA We hope the information given here will be helpful. The information is based on data and our best knowledge, and we consider the information to be true and accurate. Please read all statements, recommendations or suggestions herein in conjunction with our conditions of sale that applies to all goods supplied by us. We assume no responsibility for the use of these statements, recommendations or suggestions, nor do we intend them as a recommendation for any use, which would infringe any patent or copyright. 3 1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176 e-mail: [email protected] • Web Address: http://www.freqdev.com