Ir2110 Mosfet Driver Circuit Diagram

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From your circuit diagram and the attached wave-forms and after some analysis it is the optocoupler which i not able to derive the IR2110 driver chip. It outputs less than 10V while it must output 15 V as in the case without distortion in scope 2-5.

This is my first post here, i need help on my final year project to make a grid connected inverter.
For the full bridge inverter circuit i planned to use IRF2807 (75V Vds, 82A Ids) and Two IR2110 for the driver. I never use IR2110 before and failed many time when i want to make a H-Bridge for DC motor last year. Hopefully after asking you guys i can get enlightenment for my final year project.
I planned to design the circuit based on this sample project that i get from another website :
i have some question about the schematic since the specification is quiet different.
My DC input voltage is 34V (2 series solar panel), The power rating is about 100Watt so the MOSFET should able to drain about 10A max current. The output of the inverter will be connected to 18V - 220V step up transformer. My controller will use hysteresis current control method so the switching frequency is not fixed and varied up to 100kHz.. and i want to isolate (different ground) between my micro controller and power circuit. How can i use the optocoupler to isolate it? is there any optically isolated buffer since i planned to use buffer (micro controller (ATmega 8535, 16MHz -> Buffer IC -> Optocoupler -> IR2110)
Based on my specification, is there any component that i should change? i read before to change the diode to the fast recovery one, and change the resistor value..
i will appreciate any suggestion or critics, thanks in advance..

Here is a circuit diagram of 1000W modified sine wave inverter. This modified sine wave inverter is designed using PIC16F877A microcontroller. MOFET driver 1R2210 is used to driver low side MOSFETs connected to center tapped iron core transformer. This is a step up transformer which step up DC voltage from 12 volt dc to 220 volt AC. PIC16F877A microcontroller is used to provide PWM signals to IR2110 MOSFET driver IC. IR2110 can be used either as a low side MOSFET driver and high Side MOSFET driver. In this circuit IR2110 is used as a low side driver. Becuase both MOSFETS are used in low side settings. Push pull dc to dc converter topology is used in this project. Iron core transformer is used in this circuit diagram. Ferrite core transformer are also used now a days in inverters design. In above circuit diagram Two MOSFETS are used. Remember to use separate heat sinks for both MOSFETS. 1000 watt modified sine wave invertr can be used also in solar inverter application with proper using of solar charge controller. For complete working, circuit diagram and code.Modified sine wave inverter is also called cosi sqaure wave inverter. Because its output is closest tosine wave inverter