help pls cannot get this ticker to flip

Author	Message
sparkey Senior Member Joined: 15/06/2011 Location: Australia Posts: 819	Posted: 09:51am 30 Jun 2011       thank you i will try it tomorrow ..when my cro probe arrrives....i want to run a flip flop or a square wave signal typically making it adjustable in the off and off states and also adjustable freqency ...its to run my inverter ..at present i have a 555 timer driving a 4013 cmos giving a flip flop out put from the 4013 then driving a couple of tip 31`s and then driving a couple of 2n3055`s then driving 10 2n3055`s per winding its centre tapped so the positive comes through the 1000 va transformer and the 3055 switch the negative on and of if you understand how this works basically if i can get a square wave at a pre settable freq then i can feed it to an astable 55 timmer then adjust the mark space rsatio as well as the freqency...regards sparkey.... technicians do it with least resistance