Plan, sketch, drawing, graph or outline designed to demonstrate or explain how something works.

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38 views

Depicting Analog Signal Paths graphically

Is there a 'standard' way to depict analog signal pathways / chains that's simple, concise, and not too mathematical? I've been searching online, but can't seem to figure out what such a diagram is ...
3
votes
2answers
65 views

What's these symbols style name/source?

I've found a lot of schematic diagrams that use this style of symbols, specially in the Wikipedia. I think these symbols are pretty clear and stylish. I would love to use them for the schematics I ...
0
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1answer
62 views

What does “zo <=500Ω” on the pin diagram means?

There is device (viewfinder). It has "Tally" LED. On the camera's output diagram, on the "Tally OUT Indicator" pin there is marking "zo <=500Ω". What does it mean? Should I supply + voltage on this ...
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0answers
67 views

Current/Torque - curve for an ASM

There is this exercise where I don't have a clue how to get the solution. It's about asynchronous machines, where with the help of field coordinates the string currents (istr) are split up into ...
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3answers
51 views

What does having the v in the center, with the positive near the top wire and negative near the bottom wire mean in this circuit diagram?

This is the diagram that I am asking about: I understand that the symbol on the left hand side of that middle branch is a current controlled current source, and the symbol on the right is a current ...
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3answers
81 views

How Do Batteries Behave In Series-Parallel (Verify)

Hi I am confused about How batteries behave in series and parallel. I read online and saw that as you stack more batteries in series, the voltage adds together and the mA's stay the same, and if you ...
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0answers
46 views

Wiring diagram and phase number of three phase transformer

Does anybody have an idea how to draw vector diagram of primary and secondary of a three phase transformer? For instance, if I need to draw vector diagram for Yzn5 diagram and then also draw the ...
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3answers
137 views

What's the reason for wiring a relay this way?

I came across the following automotive wiring diagram: One thing I don't quite understand is the way they wired the relay. I've got two main questions. It appears to me that they used the exact ...
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2answers
84 views

How to calculate address range of memory chips

Hi I am not an Electrical Engineer but need to know something about Memory address ranges. I need to calculate address range of each memory chip(62256) from let suppose bank 1 in below diagram. How ...
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0answers
73 views

Constellation Diagrams of Codes

I am suppose to draw constellation diagrams of these signals: They are unipolar codes such as Unipolar and Bipolar NRZ code, Unipolar and Bipolar RZ and Manchester code. I am pretty new at this. ...
0
votes
1answer
58 views

ACS758KCB Wiring Diagram

I am using the ACS758KCB Hall Effect sensor for a project. On the front page of the Datasheet it list a .1uF capacitor between Vcc and GND, in addition it lists a capacitor, Cf, between GND and ...
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1answer
89 views

Undefined part of CSR8645 chip

I am trying to build a bluetooth audio headset and decided to use CSR8645 chip, but while trying to understand diagram of this chip i couldn't identify one part of it. I am uploading picture ...
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0answers
84 views

Applying euler path to CMOS schematic with inverter

I've discovered that tracing the Euler path of a CMOS schematic can aid in creating compact stick diagrams. I have an issue, though. Of all the lectures I've read on the net, the pull-up and ...
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0answers
134 views

How does this circuit with three transistors work?

I don't understand how this circuit works. Its a clap switch circuit with transistors. I would appreciate if someone could explain how the current flows through the circuit and which transistor ...
1
vote
2answers
109 views

Need help identifying a strange symbol in a wiring diagram

I have this simple wiring diagram for an old tractor, and there are some symbols that look almost like diodes, but not quite. I have highlighted most of them in red in the attached image. Do these ...
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2answers
112 views

Capacitance - Voltage characteristic diagram in a Schottky diode

I 've searched the web for that diagram with no satisfactory result. Does a schottky diode has capacitance or not because of very tiny depletion (almost none) zone ?
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1answer
196 views

Are these H-Bridge circuits set up correctly?

I know I can use a driver chip to simplify this a lot, but I just want to make sure that I have the concept of H-Bridges down. Here they are: I have two motors, and each have 4 N-MOSFETs ...
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votes
4answers
138 views

Did I do this circuit diagram correctly?

I just need some feedback on the circuit diagram I made (it's my first time): This is for a mini-car. There are two battery packs, one connected to an Arduino UNO, and the other connected to two ...
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votes
4answers
945 views

Why is the capacitor short-circuited in this example?

Please forgive me if anything wrong in my question. I am a school student. I have following circuit diagram: simulate this circuit – Schematic created using CircuitLab There are three ...
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1answer
147 views

Drum machine circuit diagram

I'm having trouble understanding this circuit. Can someone help me get through it? I'm trying to understand what the signal is doing from start to end but keep running into electrical deadlocks.
5
votes
2answers
211 views

Diagram symbol I've never seen

So my buddy brought me his Kawasaki Ninja service manual and asked me what this symbol is - sort of looks like part of a diode with a box instead of a line and is half shaded. I've tried looking it up ...
3
votes
4answers
171 views

How to read this basic schematic?

I need to build a circuit where light is converted to sound. The light falls on a CDS cell and the current is passed through the NPN transistor to amplify it. I know this is a very simple ...
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0answers
160 views

3.5mm to 3.5mm female mount wiring

I am trying to make a detachable mic mod similar to this: Full Description I have done everything in the pictures but something in the wiring is wrong or I have the wrong cables eg: the mic ...
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2answers
184 views

Drawing a diagram of a one-bit adder [closed]

How can I draw a diagram of the one-bit adder (full, including the transfer) built with the smallest possible number of logic gates?
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2answers
214 views

How to complete circuit diagram?

I have limited knowledge on electrics and wanted to ask how I can complete this circuit, how would I go about wiring it up? Bulb should ONLY be ON when Input A is ON and Input B is OFF. Bulb should ...
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votes
2answers
219 views

Software to draw state diagrams and asm charts? [closed]

I would like to draw state diagrams and asm charts like these: Any recommendations? Are these done with Microsoft Visio?
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0answers
190 views

Question about vending machine circuit

I have this assignment I finished for a vending machine circuit. Just as some background, there are three inputs for nickels, dimes and a return option. The return option is for only one nickel/dime ...
0
votes
1answer
291 views

Output voltage diagram of a 3-input OR logic gate (using diodes)

Let's say we have a 3-input OR gate (using 3 diodes and a resistor) as follows: A hypothetical input voltages diagram is the following: I want to find the output voltage diagram (voltage Vo) that ...
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2answers
103 views

Timing Diagram question

Can anyone check my timing diagram for me? I have my exam tomorrow and just want to make sure I am understanding these correctly: Any feedback is appreciated. Thanks in advance
1
vote
1answer
207 views

Is the DESIGN of an MPPT Solar charger SUPPORTING combination with regular battery charger on the LOAD side? [closed]

I just got my "LCD 30A MPPT Solar Panel regulator" for my caravan, but connecting it raised an issue. It looks like this: ...
0
votes
1answer
317 views

Phasor Diagram with AC circuits

Suppose you take a 2*10^2 resistor and a 0.40 inductor and make a series circuit with a voltage source that has voltage amplitude 30 and an angular frequency of 2.5×10^2 . **Part F (The part that I ...
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3answers
200 views

What do the abbreviations “SPF” and “SPH” mean with respect to fuses? (Single line drawing for 480 V system.)

There are two lines connected between the transformer low voltage side and the 480 V bus, one with a fuse labeled "SPF" that connects to a GE power quality meter, another with a fuse labeled "SPH" ...
0
votes
1answer
36 views

Structure function solving

I have following block diagram, I am having trouble constructing structure function marks for this block diagram. What concerns me is that OR state from State 5 to State 2 and State 6. I thought ...
3
votes
2answers
740 views

How to create block diagrams efficiently?

TL;DR: Need good block diagram schematic drawing process. Table of Contents Topicality and Relevance Question Topicality and Relevance Topicality: John F. Wakerly, in his book Digital Design: ...
0
votes
1answer
81 views

AC to DC Filter Confirmation

Of the circuit I need to know the name of and what it is; my guess is, is it an AC to DC current converter? Is anyone able to confirm or deny? What does it act as when its all formed together? ...
1
vote
3answers
465 views

Forbidden S-R Latch Timing Diagram

How do you represent a forbidden state of an S-R Latch (Active High) in a timing diagram? Where S is 1 and R 1 is and C is 1.
0
votes
1answer
233 views

Sequential Circuit Diagram: D Flip-Flop

Sequential Circuit Diagram: D Flip-Flop Answer Key ...
4
votes
2answers
174 views

What is the sensor name and use and circuit diagram for Current TV will be used based on Body parts movement?

I want to know more about the Sensor which are used nowadays in the TV and Laptops we can access the functionality by moving our body parts. also used in Game play in Playstations, Laptops to change ...
3
votes
2answers
198 views

tsop348 infrared receiver

Why do they tell that • Burst length should be 10 cycles/burst or longer. After each burst which is between 10 cycles and 70 cycles a gap time of at least 14 cycles is necessary whereas I ...
6
votes
3answers
381 views

Switch symbol: Which line is normally-closed?

The symbol below is for the component TL32P0 (TINY SWITCH ON - MON), included in EAGLE 6.5. In this symbol, which pin is normally-closed (NC)? 1 or 3? Or is the symbol not a typical one, i.e. not ...
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votes
0answers
414 views

Any simplified diagram explanation of how CPU works? [duplicate]

I'm a high level Java developer. My major is Information Systems. However, my internship subject is in embedded systems programming by C, about which I have no idea. Trying to study about it, I ...
4
votes
2answers
507 views

How to create a circuit drawing that allows easy mapping for setting up a breadboard

I've read the post Rules and guidelines for drawing good schematics and whilst it does contain a lot of useful information, it doesn't address my question about a drawing to be use for breadboards. ...
0
votes
3answers
4k views

How to draw a circuit diagram to check a 4 bits number is odd or even

Like the title, anyone know how to draw a circuit diagram to check a 4 bits number odd or even ?? Update: Here are my truth table for my solution: A B C D Output 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 ...
6
votes
2answers
667 views

Program to draw pinouts (and easily visualize pin's multiplexed functions)

Documenting an electronics project is also an important task if it will be used by someone else other than the hardware designer(s). Right now I need to draw a diagram for a breakout board in order to ...
1
vote
1answer
260 views

Depletion region's length in diode

Assume that the \$C-V\$ curve of a Silicon diode is the following The equivlant \$\dfrac{1}{C^2}=f(V)\$ is shown next The slope will give me \$slope=\dfrac{2}{\epsilon q N_d}\Rightarrow ...
6
votes
3answers
1k views

How does this circuit diagram work?

I don't understand this circuit diagram here, but I'm sure that you can help me out. I'll explain what I have figured out so far. EDIT: It's a metronome circuit. Sorry for being unclear about that. ...
3
votes
2answers
411 views

Circuit version of a simple if else program

I have written a simple program that controls two motors (outputs) each with two states ( positive, negative) with an Arduino. The motors states based on the status of four buttons (inputs) (Up, Down, ...
11
votes
3answers
7k views

Use of ground symbols in circuit diagrams

In this question is the following diagram for a voltage booster intended for small battery powered devices The TPS61200 spec says GND is control/logic ground and PGND is power ground but this isn't ...
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votes
1answer
66 views

Vibrotactile graphic equilizer? [closed]

I'm very new at this, but here goes: I work with adults who are both deaf and blind. I'm trying to basically build a graphic equalizer that has vibration motors instead of LED's. It would be worn on ...
0
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0answers
119 views

Interfacing with ROM chip(C, ASM, & Timing Diagrams)

I am attempting to interface with the following ROM chip via my mc9s12 microcontroller: http://www.alldatasheet.com/datasheet-pdf/pdf/55460/AMD/AM29F040B.html I have several functions written in C, ...