diode

Simulating RF rectifier in ADS (2.45 GHz, 5 dBm). Using HSMS-282E gives 11% PCE, SMS7630 gives 21% PCE. Matching is correct (good S11). Using SPICE models from datasheets. Load = 2 kΩ. Using HB with proper Pin/Pdc equations. Why is PCE so low? What am I doing wrong, or are these values...

general qn how will the circuit act to this will d1 be open ckted can anyone help i am using oa79 diode breakdown is .3

I'm working on an FPGA-based fluence counter project (Z-turn Board V2 Xilinx XC7Z020) that requires designing an electronic board with three high-frequency input signals: 3.3V BNC TTL input. 5V BNC TTL input that is converted to 3.3V TTL using a level shifter. NIM input at -0.8V that is...

In order for electrons to leave their lower shells to higher shells, they need energy i.e voltage. Electrons also move from high concentration to lower concentration. If we take a single piece of N-type (which is not joined with P-type piece) and connect one side of N-type with negative...

I need suggestions for a diode or some type of one way “valve” for a wire in my car. I recently wired up a fuel pump relay with 2 power sources to control the relay. But I need suggestions for a diode to add to one of the wires to prevent backfeeding. I used a zener diode with a Vz of 12v but it...

Alright, my TV has only 1 input RCA port which means only one video source is available/activated at one time say CCTV1. Now, I want to add second video source say CCTV2 to the same input RCA port using 2 input RCA to 1 output RCA splitter cable as shown in attached photos. I add a switch to...

I've created a tesla coil based on the circuit shown here, and the link to the tutorial is here. The components that I've purchased are as follows: UF5402 ultrafast diode, IRFP250N MOSFET, 1 microF 305V MKP Capacitor, 2.5mm diameter primary coil, 0.405 mm secondary ciol (1000 turns), 200W...

Will linear active diode like this run cooler than a passive diode? Or is it just to eliminate the voltage drop? https://www.allaboutcircuits.com/video-tutorials/op-amp-applications-active-rectifier/

With a reverse biased diode, the electrons get pushed from the - terminal towards the junction on P side and combine with holes near the junction, making the depletion layer increased on P side simultaneously the + terminal of the battery pulls the electrons into the + terminal leaving the N...

I am trying to drop the output voltage of a Hi-Link AC-DC 15V power supply. I have added a 1N5408 diode forward biased in series with the output of the Hi-Link unit. I haven't added any load to the output yet. Just trying to measure the output voltage. Please see the simple circuit diagram...

Hi everyone, I watch this video, min 3:30 upward, and it says that the demodulation of AM is when the diode is in the reverse biased but then the current flows!!! isn’t tit the current stop flowing when the diode is reverse biased? Crystal radio circuit analysis/diode demodulation (8-Analog...

This is a system to detect any intruders using ultrasonic sensor . The buzzer should ring if the timer gets triggered . Somebody help me with the simulation using proteus or any other softwares

Hello, I bought a motherboard in hopes to fix it; I've been working with electronics for most of my life, soldering for about two years now and fixing games and electronics for a little more than a year. I was hoping to use this motherboard, I bought it cheap on Ebay and fix these three simple...

Hi everyone, I am looking to switch between two 12V DC power supplies without having an actual “switch”. I’d like for 1st power supply to switch to the 2nd one when the 2nd one is turned on. I believe the current rating for the system is 12A. I’ve read about using ORing controllers, diodes...

Hi all, I am new to electronics and designed my first circuit. However I fried one of my PCB and trying to determine the root cause. What I am suspecting is caused by a diode polarity that I missed. The PCB was working fine for about an hour or 2 without any issues. Then suddenly it stopped...

Hi all, I read that ideal diode equation and it is given as in above equation Is is the reverse saturation current or dark saturation current (According to this website). And according to most of the study which I did this reverse saturation current doesn't exist while the diode is...

Hello, does anyone recognize this brand of diode? Apparently it is from China and I have found a very similar diode brand but I have not found more in google. It appears this is a threadless version...

the requirements are, The input signal of the limiter Vin is a sinewave having a maximum amplitude of 10V and a frequency of 60Hz. The input signal Vin is fed to the circuit through a resistor 500 ohm. and if Vin<=-9v , Vout = 10v and -9v<=Vin<=6v , 0v<=Vout<=10v and Vin>=6v , Vout = 10v are...

Hello all, I have read some articles on how to test a transistor with DMM diode mode and what I understand is that measuring from Base (red probe) to Collector\Emitter (black probe) should give a reading and all other probings (C-to-E, E-to-C, C-to-B, E-to-B) should give O.L. But that isn't...

Hey! I came across this circuit (see attached picture) which is used to create a -15V from a 15V rail then used as an input for a negative voltage regulator. I couldn't understand quite how the circuit works! Can someone explain this for me please? PS: the 2 diodes are in the same die, and i...