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i have been able to control duty cycle using PID example provided by microchip for their reference designs. but when the required output voltage is achieved and the duty cycle decreases, then ZVS is not met which reduces the efficiency to a great extent. any ideas on how to control both duty...
hello,
I am trying to develop a digital feedback control for a 45-W half-bridge converter, microcontroller used is from microchip dspic33fj16gs502. PWMs provided to the mosfets are around 3Mhz and the power to microcontroller is self-supplied through auxiliary output of transformer. Currently i...
I am not using any specific app from the datasheet, i am writing code myself for half brigde converter and for that i am using High-speed PWM in complementary mode. The switching frequency that is providing efficient results in around 3.5 MHZ. My main goal is to reduce the power consumption of...
if that is the case, don't you think that this PWM divider functionality is not valuable for most of the frequecny critical applications.
I tried to play with frequency and divider bits and i have seen that at higher frequencies this jitter problem becomes even worse.
Hi,
I am working on a High Frequency (3-4MHZ range) Half-Bridge SMPS where i have to drive high side and low side gates with PWM from dspic33f. Currently i am trying to minimize the power consumption by dspic33fj16gs502 controller by changing the PWM resolution as is stated by Microchip in...
i) What is the alternative of logic generated clocks??
ii) if i am having a bit stream of 1's and 0's as data input then how can i detect whether the data is still being sent or not?
iii) any good approach you can suggest?
i have a transmitter(upto 1 megabaud) and a receiver(0.1 Megabaud - 1 MegaBaud) where i have to avoid the link going down between transmitter and receiver when the transmitter isn't sending data. So i thought of a scheme with state machines i-e,
Transmitter Side,
when data_in = 0 then sequence...
i have a transmitter(upto 1 megabaud) and a receiver(0.1 Megabaud - 1 MegaBaud) where i have to avoid the link going down between transmitter and receiver when the transmitter isn't sending data. So i thought of a scheme with state machines i-e,
Transmitter Side,
when data_in = 0 then sequence...
yes, thats a stupid thing to say baudrate of 0, what if i consider the tranmitter to be at 1 kiloBaud - 1 Megabaud. and receiver at 0.1 Megabaud -1 Megabaud ?
I have a system where transmitter has baud rate of 0 - 1 Megabaud, where as receiver has baudrate of 0.1Megabaud - 1Megabaud, So,
i) what can be the effects on data transmission due to different baud rates of transmitter and receiver
ii) Someone gave me an idea to implement PSK modulation on...
hello, i have a bmp image on which i want to write an integer at a certain location, just using vhdl, without involving Matlab,,,i have been provided a code that can read the image pixelwise but i couldnt find a way to write on the image.. i wonder if somebody can guide me about it? thanks in...
i have written this code,,give me ur comments on this one plz
architecture Display of lcd_driver is
type state_type is (display, initial, sleepout);
-- Display ON, 2 lines no cursor.
constant D_ON: std_logic_vector(datawidth-1 downto 0) := "00101001";
-- No operation command.
constant...
i really really appreciate help from ur side..such detailed guidance must have taken alot of ur time...i will try to implement it like u told. n will be back here..
thanks alot
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