13 Threads found on edaboard.com: Measure Differential Voltage Gain
How to measure current in variable power supply by using controller?
if measure it by a shunt resistor how to calculate the current (Calculation ).
Microcontrollers :: 12-24-2015 16:30 :: thannara123 :: Replies: 11 :: Views: 485
Similar procedure: you put the diffOpAmp into your application configuration (e.g. unity gain) and measure the settling time (which may depend on input voltage step and output load). See this tutorial: 118987
Analog Circuit Design :: 06-29-2015 12:17 :: erikl :: Replies: 1 :: Views: 366
i must measure ac voltage output of H-bridge inverter by INA118.
the VDC of H-bridge is about 24v. so the output voltage vary between approximately +24v and -24v.
the output of INA118 is connected to ADC of micro that its supply is 3.3 volt.
the gain of INA118 can be changed between 1 to 10,000.
so how can i (...)
Power Electronics :: 03-14-2015 16:54 :: zizi110 :: Replies: 3 :: Views: 494
The shown differential amplifiers have a gain of 1, that means the differential voltage magnitude is kept. I don't know how you are measuring input voltage, you should measure the differential voltage.
I don't see however, how how you would get a (...)
Analog Circuit Design :: 08-13-2012 08:02 :: FvM :: Replies: 5 :: Views: 3768
hello sir, i want to make a circuit that measure negative voltage of battery.i am using pic adc to measure this voltage, but does not read negative voltage. so i have convert this negative to positive voltage.
1. i don't have negative voltage on the system,to (...)
Hobby Circuits and Small Projects Problems :: 09-16-2011 08:50 :: zeroskj1988 :: Replies: 5 :: Views: 1787
can someone help me how to find gain of an differential amplifier in cadence.. i mean what are going to be my virtuso parameters.. and how to plot graph, and how to measure gain ??
Analog Circuit Design :: 04-07-2011 06:01 :: srchan :: Replies: 3 :: Views: 1280
Connect it as unit-gain feedback buffer to measure input offset.
Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 02-07-2011 05:59 :: leo_o2 :: Replies: 2 :: Views: 1033
i think just do DC, and take the derivative of the output.
BTW: why don't you measure the peak-to-peak swing instead of the gain? you can also plot the swing versus time.
Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 07-12-2010 02:59 :: prcken :: Replies: 1 :: Views: 920
measure U1 with one pin, then measure U2 with another pin and perform calculation in PIC: U1 - U2 or U2-U1, dependig which way do you want/need it ..
Microcontrollers :: 06-16-2010 06:15 :: IanP :: Replies: 4 :: Views: 1863
Hi, I have bought 10 AD625 instrument amplifier. In its datasheet it has been noted that differential resistance is about 1G Ohm and also common mode resistance has the same value. when I put one AD625 according to datasheet in a circuit for fixed gain configuration(page 9 of datasheet) I found out that input draws considerable current about 2.5 mA
Analog Circuit Design :: 01-24-2007 22:46 :: fala :: Replies: 4 :: Views: 1046
Put 0.5 VAC to the in+ and -0.5 VAC to in-. measure the output voltage as out+ - out-.
Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 10-13-2006 02:07 :: mince :: Replies: 8 :: Views: 6227
I have designed a fully differential OP.
However, I have no idea to measure it on real chip.
I want to measue the open-loop gain.
How should I do?
Thanks a lot.
The open Loop gain will be infinity (however in the real world the max. outout voltage will a little (...)
Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 01-09-2006 10:05 :: dunn :: Replies: 3 :: Views: 1063
I want to design a one stage differential opamp to sense some on-chip low voltage signals. The opamp's differential gain is to be 10dB around, the bandwidth is about 1GHz. Can anybody give suggestions how to send the opamp's differential outputs off chip for measurement? What prober could (...)
Analog Circuit Design :: 04-24-2005 01:46 :: icfan :: Replies: 2 :: Views: 1132