All Questions
8
questions
0
votes
1
answer
1k
views
KHN active filter design
I have some design equations from a text book which are designed to realised a KHN filter. However, when implemented and simulated, the values shown do not realise the design. A gain of 20 dB should ...
- 3
0
votes
0
answers
397
views
How to detect source presence using LTC4412?
I'm using 2 power sources as shown in below picture. The status pin is suggested to pull HIGH to VCC(which can be the adapter input). As mentioned that Status pin OUTPUT is LOW when Wall adapter ...
2
votes
2
answers
9k
views
Thevenin Equivalent of BJT Transistor
I wonder if I can replace a BJT transistor operating in active mode, with its Thevenin Equivalent, like this:
My guess is that I can, because the large signal model of the BJT operating in active ...
- 361
0
votes
1
answer
34
views
What is the Linear N-rate function
Hi i find in some bloc schematics the following bloc:
I don't have the schematic for this bloc and i want to know what is the linear N-rate circuit ?and what is used for ?
- 140
2
votes
1
answer
7k
views
designing LC filter for linearizing PWM output
I have designed an h-bridge to run a TEC element. The circuit outputs
output current is 4A
output voltage is 4V
Runs on PWM with frequency 5kHz
Load resistance is 75Ω
I wanted to linearize the ...
- 21
0
votes
2
answers
229
views
Linear voltage reducer
My question is in reference to the circuit above. (An EE non-graded assignment.)
What is the purpose of R1 in this circuit? My feeling is it's providing bias and/or feedback to act as a current limit ...
- 532
5
votes
2
answers
4k
views
How to stabilize a control loop for an opamp-based linear regulator?
I'm trying to build a digitally controlled linear bench power supply. The idea is to have a DAC that will output a low voltage (in my case it's 0-2.5V) and then scale it (let's say 0-25V for ...
- 1,181
3
votes
1
answer
7k
views
Why is my MSGEQ7 circuit giving Arduino analog readings that are so high?
I have built the following circuit based on a proven MSGEQ7 based circuit design, which comes from the datasheet and elsewhere on the internet. I have built and coded to this circuit previously, with ...
- 664