Tagged Questions
2
votes
1answer
129 views
Single Supply Op Amp Bypass Caps
The output stage of my circuit is a 2nd order inverting low pass filter. The input should be negative (DC), thus yielding a positive output (DC). It is possible that the input could be positive, but ...
4
votes
4answers
251 views
How to calculate permittivity of a fluid
I am confused about calculating permittivity of a fluid. Permittivity differs from one fluid to another.
$$\epsilon=\epsilon_r\epsilon_0$$
Since it is an electrical property combined with an ...
0
votes
1answer
268 views
Peak detector is not working when voltage is changed
I am trying to design a peak detector in Multisim simulation tool. I have designed buffered peak detector to get peak voltage of sine signal. The designed circuit is working when signal voltage is ...
1
vote
1answer
89 views
Audio Capacitor Values
I'm looking to stock my capacitor drawers and I was just looking through trying to find standard values or some kind of list for them and I couldn't find a really good list of standard values for ...
5
votes
2answers
338 views
Arduino: two more analog input!
i'm dealing with analog sensors. I have an Arduino Lilypad Simple Board with only 4 analog input.
Now, i need two more sensors and i've found on the net this schematics:
But i don't understand if it ...
0
votes
1answer
126 views
THS6002 “Dual Differential Line Drivers and Receivers”. Output: 15 MHz
I made a PCB with the THS6002 chip "Dual Differential Line Drivers and Receivers". I copied the application example of figure 59 in the datasheet (page: 34), with three differences: the transformer ...
2
votes
2answers
2k views
Analog circuit to turn on LED for 10 seconds just after power is applied?
Is it possible to use an analog circuit to turn an LED on for 10 seconds after 5v power is applied, then turn it off until power is removed and reapplied? This would be useful in small battery-powered ...
1
vote
2answers
878 views
How much current is consumed by an avr analog sensor?
I'm trying to measure a small analog device that emits about a volt (I believe up to 5V, but I've not measured at extremes yet) AC. I rectify the reading to DC, but I'm really interested in getting ...
