Questions tagged [waveform]
The shape of a value (usually voltage) when graphed over time.
400 questions
1 vote
2 answers
86 views
Clipping waveform before the full bridge rectifier: What could be the reason?
I have a small audio mixing console which is supplied by ±19 V AC from an external transformer. The transformer started making a buzz sound, so I opened it up (because it was also much easier to start ...
1 vote
2 answers
124 views
How do I achieve my required amplification in this circuit?
My circuit is a sensing device. The input is a Vs= 50mV r.m.s (70mV peak 1000Hz supply), The required voltage amplification is given by V0=( 1+ Cs/C0)*Vs. but my output is not amplified The yellow ...
2 votes
1 answer
64 views
Weird clipping behavior in hybrid tube/solid-state preamp buffer stage (NE5532)
I'm designing a hybrid audio preamp circuit that combines a dual-triode vacuum tube (12AU7A) gain stage with a solid-state op-amp (NE5532) stage. The idea is to have a blend control (a 100k ...
0 votes
0 answers
47 views
Dual Active Bridge SPS and DPS Current Vertices Equations
I am trying to understand how current vertices for SPS and DPS modulation techniques can be calculated. For SPS current vertices are il0 and il1 are given but I do not understand what the initial ...
0 votes
1 answer
95 views
20 Vrms 60 Hz Test Signal
I'm looking to generate a 20 Vrms 60 Hz test signal for the CMRR test of IEC 60601-2-27. I haven't been able to identify a waveform generator beefy enough to output 20 Vrms. Would there be ...
1 vote
2 answers
154 views
sine wave variable frequency oscillator
I found this schematics from a youtube channel (The Audio Phool) that shows how to make sine wave oscillator using one opamp. (I'm looking at the right hand circuit) : https://drive.google.com/file/d/...
1 vote
2 answers
231 views
First Verilog code for I2C for university project, but it seems wrong
I somehow managed to write the Verilog code for I2C. I know its not the perfect code, but it seems to work. My major doubts are: Is the waveform correct? During ACK_BIT, is the transfer of SDA ...
1 vote
1 answer
63 views
SSD1306 OLED IIC timings ACK
I am looking to make sure my understanding of the ack signal is correct for the SSD1306 Based on some previous questions, I have changed the signal I am sending out ...