PDA-750
Photodiode Amplifier
Operating Instructions
Terahertz Technologies Inc.
169 Clear Road Oriskany NY 13424
TEL: (315) 736-3642 FAX: (315) 736-4078
www.terahertztechnologies.com
Copyright 2003-2006
Страница 1: ...PDA 750 Photodiode Amplifier Operating Instructions Terahertz Technologies Inc 169 Clear Road Oriskany NY 13424 TEL 315 736 3642 FAX 315 736 4078 www terahertztechnologies com Copyright 2003 2006...
Страница 2: ...N Introduction 1 Unpacking and Inspection 1 Power Requirements 2 Specifications 2 OPERATING INSTRUCTIONS Operation 3 Display and Controls 4 Operating Considerations 6 Rs 232 Operation 7 WARRANTY INFOR...
Страница 3: ...the batteries are charging The large 4 1 2 digit Liquid Crystal Display provides a maximum resolution of 1 part in 20 000 thus permitting the detection of very small changes in the variable that is t...
Страница 4: ...y Amps Watt Setting Input Impedance Input Capacitance Output Impedance Bias Voltage Drift Voltage Noise Noise Background Cancellation Temperature Coefficient Frequency Response 3 dB Display Maximum Re...
Страница 5: ...ernately applies and removes power to the unit Offsets the reading by up to 20 000 counts Selects one of seven ranges in conjunction with rotary Set control Units LEDs and decimal points indicate the...
Страница 6: ...4 PDA 750 Front Panel Controls...
Страница 7: ...tude and polarity Depressing the Bias Engage button will then apply this voltage in series with the photodiode NOTE it is not advisable to forward bias most photodiodes Make sure that the bias is of t...
Страница 8: ...longer than 1000 nm Noise Considerations Noise in a transimpedance amplifier is governed by three primary effects The first is Thermal or Johnson Noise The output voltage noise generated is given by W...
Страница 9: ...one style connector into the port on the unit s rear panel Plug the 9 pin D connector into the computer serial port Using a communications program such as WINDOWS Hyperterminal set the appropriate com...
Страница 10: ...TTI I E THERE IS NO WARRANTY OF FITNESS FOR A PARTICULAR PUR POSE TTI HEREBY DISCLAIMSANY EXPRESS OR IMPLIED WARRANTY OTHER THAN THE WARRANTY IN THE FIRST SENTENCE TO THE FULLEST EXTENT PERMITTED BY L...
