Electrical Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 28

Self-resonance frequency of chip inductors

I am studying chip inductors and here's one of the frequency response: There are more than one resonance frequencies exist in a single inductor. When we say inductor resonance...

Asked on 11/14/2021 by Missfresstyle

1 answer

Difference between a circuit developed using lumped elements and microstrip elements (transmission line)

As the title implies, what is the difference between lumped elements and microstrip elements? According to my understanding lumped elements are discrete elements but I don't understand what is the...

Asked on 11/14/2021

1 answer

Measuring wow and flutter of a phonographic turntable with digital equipment

The old school way to measure: 3000 or 3150 kHz test tone from test record played back through phono cartridge/preamp into wow/flutter/drift meter and for turntable that has an electronic...

Asked on 11/14/2021 by Hgspine

3 answer

Different behaviour of FTDI231XS on two PCBs with same circuit

I have designed two PCBs, both using a FTDI231XS USB to serial chip to program an ESP32. Both boards have the same circuit design to control the FTDI231XS chip. One...

Asked on 11/14/2021 by Cat Turbo

1 answer

Ethernet 1Gbps - PCB stackup

I am planning a stackup for 2x Ethernet phys. The chip requires a few different supply voltage levels: I/O Power 3V3 (3 pins) and Analog Supplies: VDD2V5 (2 pins) and...

Asked on 11/14/2021 by kch78

2 answer

Integrating 12v "ups" to a portable fridge

I want to make a portable fridge more portable with Li ion batteries and I'm thinking about how to connect all the pieces. Load is rated for 12V 5A /...

Asked on 11/14/2021 by Oxmaster

1 answer

Peak Inverse Voltage of full wave rectifier in case of different diodes

Does the peak inverse voltage remain the same for all the diodes in a full wave rectifier, when we are using both germanium and silicon diodes in the rectifier circuit?...

Asked on 11/14/2021 by Zain Ul haq

0 answer

Unable to use IR receiver and motor shield together

#include <IRremote.h>#include <AFMotor.h>AF_DCMotor motor(1);int RECV_PIN = 14;//The definition of the infrared receiver pin 11IRrecv irrecv(RECV_PIN);decode_results results;void setup(){ Serial.begin(9600); //Open serial irrecv.enableIRIn(); // Initialization infrared receiver ...

Asked on 11/14/2021

2 answer

Why are color difference signals transmitted rather than R,G,B signals?

In color television systems back in the early days, people used to transmit color difference signals (Y-R) and (Y-B) along with Y, which is the luminance signal. My question is...

Asked on 11/14/2021 by Moonzarin Esha

4 answer

Meaning of numbers inside parentheses in Lattice Synthesis Engine Utilization Report?

I'm using Lattice Radiant 2.0 to synthesize a design. In the "Synthesis Utilization Report file", I see the following line: ...

Asked on 11/14/2021

1 answer

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