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Hi, As the title says, Im deciding on the power stage for a 5kW DC/DC application at 48Vin. Ive always heard that a H full bridge should be used for applications above 1kW, however the push pull has the advantage of using only 2 switching elements which could potentially reduce the overall conduction & switching losses. I know it has some draw
Hello all, Currently i am designing a 2.0kW Half-bridge LLC with center tapped secondary for EV Applications Input Voltage:- 400VDC Nominal Output Voltage;- 40 to 60VDC Output Current:- 35A Fs_min:- 91 khz Fs_resonant:- 151 khz fs_maximum:- 225khz (Short circuit protection limited) I am operating the converter equal to or belo
Hi A way of doing this Power supply spec??.. Vin = 1000v to 880v (source is 1000V but cable resistance between source and Power supply is 7.5 Ohms so actual vin drops with load) Vout = 48V Pout total = 12kW Efficiency 0.85 Pin total = 14100W Chosen Topology = In blocks of three Two Transistor forward converters with inputs stacked and
158528158528 Hello I have a supply voltage of around 4.5V consisting of 3 AA batteries. I need this stepped down to 3.3V. My current requirement is around 150mA. So currently I am considering 2 options:- 1) Using a LDO IC to obtain 3.3v 2) Using a buck converter I have uploaded my entire schematic above.
Hi! I need to realize backup battery with boost converter in my design. To minimize battery current I need to keep boost converter disabled until main power is lost. Switching to backup battery should be uninterrupted. Main power: 8V Battery: 3V Boost coverter: 7V 158529 Could you recommend any cheap and effe
Assuming that each is reasonably matched to a receiver input, which is likely to be more sensitive for the 0.5 - 1.6 mhz band - a 1x10 cm ferrite antenna or an outdoor 30-ft wire with a 15-ft downlead? To be more specific, say the ferrite antenna is to be used inside a wooden house without massive wiring on the walls. Is one a clear no-contest "win
Hi, I'm aiming to design a push-pull converter for isolation purposes. Therefor, I intend to use a primary and secundary center tapped transformer, which enables a full wave rectification with two diods (circuitry shown in ). For simplicity I'm neglecting the diode voltage drop as well as the voltage drop at the switching MOSFET at this point
Realtek's AmebaIoT ecosystem also has the low-cost Ameba-2 development board using the RTL8710 soc. This board is also a WiFi capable, Arduino compatible IoT board designed for project integration. The RTL8710 soc is tightly integrated on a small form-factor pcb module together with a USB to UART converter and a RGB led. The module can also be plug
I'm using Altera DE10-Lite FPGA Development board. I can't find the specs where I'm supposed to know the relationship between clock frequency, cycles and delay. It have 2 50mhz clocks that I'm using. Here are the product files: 158399 158398 158397
i am planning to build a sine wave inverter. the sine wave is not a smooth sine wave. to make the sine wave the voltage is first 30 volts, then 60 volts then 90 volts, then 120 volts, then 90 volts, then 60 volts, then 30 volts, then - 30 volts, then - 60 volts, then - 90 volts, then - 120, then -90 volts, then -60 volts, then -30 volts, then this
4 feeds is use to obtain good axial ratio, phase center stability, rad. pattern in hemisphere, because it is GNSS antenna (f1~1230 mhz, f2=1560 mhz). Below the power and efficiency vs frequency is presented. 1 port is excited: 158314 158315 4 ports are excited: 158316 [
I have a question that came up during an experiment. I hooked up a function generator to a coil and to my surprise the voltage across it went from 4.48 volts at 100 kHz to 800mV at 1 mhz then back up to 4.04 volts at 4.9 mhz. I thought as the frequency went up current went down in an inductor. This one went up then down. Am I missing something?
Hi, We have a DCDC module generally giving a 48V, 6.5A output. We wish to clamp the output current to approximately 7A so have a current sensor in the output, which feeds an external error amplifier. (as in the attached schematics) Our contractor wants to put the current sensor upstream of the bulk of the output capacitance, as in schematic A?.bu
Hi, I'm thinking of a project for an FPGA from Xilinx, where the camera data will be saved to the BRAM. I've got to calculate the buffers and other interfaces. The camera interface with FIFO and BRAM will be connected to AXI Smartconnect component. In case of a 100 mhz clock, what data rate can I expect when writing and reading from BRAM?
If 80 dB amplifier gain is realized in a receiver, it's a selective amplifier with filters, e.g an IF amplifier. I presume the said 40 dB amplifiers are wideband LNA with several 100 mhz or even GHz bandwidth. In this case, such a high gain isn't feasible, noise and small interfering signals will already exceed the maximal undistorted output voltag
hi i want to design push pull transformer with the following specs Input voltage range 10-18VDC Output voltage 120VDC Output power 120 watts Switching Frequency 100kHz Transformer core EFD25/13. I need design equations for transformer. Regards
Early broadcast television done by RCA in 1936 used 343 lines/30 frames, with 1.5mhz video bandwidth. The frequency bands for the public broadcast were between 42 mhz and 80 mhz, but the very first experiments (done before 1936) were made in 20 mhz band. So when you start transmitting narrow vid
You are asking about OV7670? Typical input frequency is 24 rather 10 mhz (for 30 fps). The chip might principally work with an inaccurate RC oscillator, but I doubt that it's useful for a regular video application. How do you process the video output?
Hi, I have designed an IC which I wish to test. I had a company design a PCB form me with all the traces terminated with 50 ohms and connected to headers. The inputs to these headers will be provided through a function generator and a Zedboard FPGA. The frequency of my test signals are small (<10 mhz). I recently realized that I do not actual
1 + 3. Yes 2. That's no useful configuration. The displayed signal would be still half of the unloaded source voltage (at least if the cable length is short compared to the wavelength). But you have mismatch at both cable ends and are causing reflections. The better configuration is 50 ohm source connected to 50 ohm cable and high impedance at