http://www.falstad.com/circuit/#%24+1+5.0E-6+6.724437240923179+61+5.0+50%0A158+432+208+464+208+0%0Ac+528+208+528+240+0+1.0E-7+-4.082747086489805%0Ar+528+272+592+272+0+3000.0%0Ar+528+304+592+304+0+100000.0%0Aw+592+272+592+304+0%0Ag+592+304+592+336+0%0AR+144+160+80+160+0+2+300.0+2.5+2.5+0.0+0.5%0Ag+320+240+320+272+0%0Aw+432+176+432+208+0%0Aa+352+112+432+112+1+15.0+-15.0+1000000.0%0Aw+320+96+352+96+0%0Aw+352+128+352+176+0%0Aw+352+176+432+176+0%0Aw+432+176+432+112+0%0A161+144+160+192+160+0%0Ar+240+160+320+160+0+2000.0%0Aw+320+96+320+160+0%0Ac+320+160+320+192+0+9.999999999999999E-6+1.3065384527320358%0A155+144+256+160+256+0+5.0%0Aw+240+256+240+224+0%0Aw+240+224+144+224+0%0Aw+144+224+144+192+0%0Aw+240+320+240+352+0%0Aw+240+352+112+352+0%0Aw+112+352+112+256+0%0Aw+112+256+144+256+0%0Aw+144+288+80+288+0%0Aw+80+288+80+368+0%0Aw+80+368+432+368+0%0Aw+432+368+432+304+0%0AO+432+368+496+368+0%0Ar+320+192+320+240+0+1000.0%0Ao+6+8+0+46+5.0+4.8828125E-5+0+-1%0Ao+30+8+0+46+5.0+9.765625E-5+0+-1%0A