Zak28
Advanced Member level 2
How to get this fet to disconect voltage source
Why doesn't this simple circuit disconnect the voltage (battery) at the zener voltage? Falstad simulator https://www.falstad.com/circuit/circuitjs.html?cct=$+1+0.000005+23.47059216675035+27+5+43%0Ac+384+-48+384+112+0+1+0.001%0Ag+384+112+384+128+0%0Af+240+112+304+112+32+1.5+0.02%0Az+128+176+128+144+1+0.805904783+2.6%0Ag+128+176+128+192+0%0Aa+160+112+240+112+8+15+0+1000000+0+0+100000%0Aw+160+128+128+128+0%0Aw+128+128+128+144+0%0Ar+128+128+48+128+0+1000%0AR+48+128+16+128+0+0+40+15+0+0+0.5%0Ag+304+128+304+144+0%0Aw+304+80+304+96+0%0Av+304+80+304+48+0+0+40+12+0+0+0.5%0Aw+304+-48+384+-48+0%0Aw+160+96+128+96+0%0Aw+128+96+128+-48+0%0Aw+128+-48+304+-48+0%0Ar+304+-48+304+48+0+0.3%0Ao+0+64+0+4097+5+51.2+0+2+0+3%0Ao+0+64+0+4098+1.25+0.1+1+2+0+3%0Ao+2+64+0+4098+5+0.1+2+2+2+3%0A
Why doesn't this simple circuit disconnect the voltage (battery) at the zener voltage? Falstad simulator https://www.falstad.com/circuit/circuitjs.html?cct=$+1+0.000005+23.47059216675035+27+5+43%0Ac+384+-48+384+112+0+1+0.001%0Ag+384+112+384+128+0%0Af+240+112+304+112+32+1.5+0.02%0Az+128+176+128+144+1+0.805904783+2.6%0Ag+128+176+128+192+0%0Aa+160+112+240+112+8+15+0+1000000+0+0+100000%0Aw+160+128+128+128+0%0Aw+128+128+128+144+0%0Ar+128+128+48+128+0+1000%0AR+48+128+16+128+0+0+40+15+0+0+0.5%0Ag+304+128+304+144+0%0Aw+304+80+304+96+0%0Av+304+80+304+48+0+0+40+12+0+0+0.5%0Aw+304+-48+384+-48+0%0Aw+160+96+128+96+0%0Aw+128+96+128+-48+0%0Aw+128+-48+304+-48+0%0Ar+304+-48+304+48+0+0.3%0Ao+0+64+0+4097+5+51.2+0+2+0+3%0Ao+0+64+0+4098+1.25+0.1+1+2+0+3%0Ao+2+64+0+4098+5+0.1+2+2+2+3%0A