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QRZ Forums - Homebrew and Kit Projects for Wednesday 22 March 2017
Homebrew and Kit Projects
/////////////////////////////////////////// $15 DIY 45 W linear on e-bay ? Posted: 21 Mar 2017 07:52 PM PDT http://forums.qrz.com/index.php?thre...-e-bay.560027/ Anybody actually BUILD one? If yes, would you like to share your experience with us mortals? 73 Shirley /////////////////////////////////////////// Opamp Shunt Resistor Value Posted: 21 Mar 2017 06:45 PM PDT http://forums.qrz.com/index.php?thre...-value.560007/ Dear All, I want to use my THS3201 Current Feedback Opamp with an AD9851 DDS generator. The datasheet always shows a shunt resistor of 50 Ohm or 75 Ohm at the Opamp Input. Is there any problem if I change the Shunt Resistor to 100Ohm or 200Ohm ? I want to connect the AD9851 output to a shunt resistor of 200Ohm before my THS3201 opamp. I dont see any example or schematic of the THS3201 using a shunt resistor value greater than 50 or 75 Ohms. I will use my low pass filter at the Opamp... Opamp Shunt Resistor Value |
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