All Questions
Tagged with pulse transformer
17
questions
1
vote
1
answer
115
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Confusion in pulse transformer specification
I am having hard time to understand specification of this particular datasheet. https://www.mouser.ca/datasheet/2/54/hctsm8-3217781.pdf
I am using HCTSM80101AAL. My first question is about volt-...
- 25
1
vote
3
answers
91
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Can V²/R be used to find energy of a DC transformer pulse?
A person I am working with is trying to determine the efficiency of a pulse transformer and I am confused by the procedure.
We know the input energy because a capacitor is discharged across the ...
1
vote
1
answer
134
views
How is there a voltage on the secondary coil when di/dt=0 on the primary coil?
I have made a simple pulse transformer circuit in LTSPICE using a pulse and two coupled inductors. L1 has a resistance of 1 Ω and L2 has a resistance of 0 Ω.
I am having trouble understanding why this ...
0
votes
1
answer
44
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Recommended modelling software for 200 μs pulse width pulse transformer application
I am looking to model a HV pulse generator that involves discharging a 6 μF capacitor at about 300 V across the primary coil of a transformer. This discharge happens about once every 1.5 seconds. The ...
0
votes
1
answer
54
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How can use grounded primary coil transformer with BGJ/MOSFET
So, I have a pulse signal transformer like this (freq is 1MHz):
In the secondary coil I want to get bipolar pulses. How can I make it using BJT or MOSFET switches and wich is better?
I know, that ...
- 15
0
votes
1
answer
169
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What material of core should I use for signal 1Mhz pulse transformer
I want to make 1Mhz pulse signal transformer, and I don't know what material should I choose. I found some epcos cores like N49 but it is for power transformers. Also I found some material with low ...
- 15
1
vote
2
answers
207
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How can I change the rising time of signal pulse transformer?
I have a circuit where MOSFET drives signal pulse transformer, and I want to make variable rising time from (100 to 300 ns). How can I make it?
- 15
0
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0
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87
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Is a high open circuit voltage still beneficial when you have a high voltage/frequency pulse arc starter?
In welding, I know a high open circuit voltage is a major factor in the strength/quality of your arc when you scratch start, but how much of a factor is it when you have a pulse starting mechanism? Is ...
0
votes
0
answers
111
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How to calculate this capacitor value?
How to calculate this capacitor on pulse transformer primary?
I've tried 470 nF but the PWM on capacitor's output lost its level, normally both PWM are 0 to 12V, but when I put this cap, the PWM on ...
- 319
0
votes
2
answers
1k
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Parameters for VAC 5046-X005 gate pulse transformer
I'm trying to parameterize this device to find a suitable equivalent. Trouble is, there seems to be no datasheet available, and one of the two secondaries are measuring open, so complete measurements ...
- 16.3k
2
votes
1
answer
5k
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Voltage*time product of pulse transformer
I am designing a circuit to excite a piezo-electric crystal with 1MHz bipolar square wave at 30V (Vp-p=30V, Vb-p=15V) consisting of 10 pulses, 50% duty cycle.
The idea is to use a pulse transformer ...
- 129
0
votes
1
answer
869
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Step up voltage Transformer for more watt?
Using generator in mountain or underground tunnel location, construction workers from portable generator gets maximum:
AC Output: 220volt as 200 to 250watt
Now, they need to use a machine for ...
- 139
3
votes
1
answer
1k
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Design of pulse transformer
I want to design a pulse transformer to drive a MOSFET.
Parameters are as follows:
Voltage = 15V
Current = 2A
Switching Frequency : 400kHz.
Ratio 1:1.
Duty Cycle = 50%
I know the following ...
- 249
0
votes
1
answer
402
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Role of RC in MOSFET Driver circuit
simulate this circuit – Schematic created using CircuitLab
This is for Full Bridge MOSFET driver. Switching Frequency is 400KHz.
Hardware is running as expected. Only thing i cannot understand ...
- 249
2
votes
2
answers
2k
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Problems driving pulse transformer with low-side MOSFET switch
I'm trying to produce a DC isolated output voltage of approximately 2.5V at 100mA from a ~55V DC supply. The purpose is to charge individual cells in a lead-acid battery from the power of the battery ...
