I was doodling with JL's HV bandaid circuit, and LTspice came up with something, um, unusual. Check out the current through C1, and compare with that in R6 and R1.
Cheers
Phil Hobbs
Version 4 SHEET 1 880 680 WIRE 256 -256 -112 -256 WIRE 352 -256 256 -256 WIRE 464 -256 432 -256 WIRE 464 -240 464 -256 WIRE 400 -192 144 -192 WIRE 144 -160 144 -192 WIRE 464 -112 464 -144 WIRE 464 -112 368 -112 WIRE 592 -112 464 -112 WIRE 368 -96 368 -112 WIRE 464 -96 464 -112 WIRE -112 -48 -112 -256 WIRE 144 -48 144 -80 WIRE 144 -48 -112 -48 WIRE 256 -48 256 -256 WIRE 368 0 368 -16 WIRE 464 0 464 -16 WIRE 464 0 368 0 WIRE 464 32 464 0 WIRE 592 48 592 -112 WIRE 256 80 256 32 WIRE 256 80 192 80 WIRE 400 80 256 80 WIRE -112 112 -112 -48 WIRE 192 144 192 80 WIRE 256 144 256 80 WIRE 464 176 464 128 WIRE 464 176 368 176 WIRE 368 192 368 176 WIRE 464 192 464 176 WIRE -112 224 -112 192 WIRE 192 240 192 208 WIRE 256 240 256 224 WIRE 256 240 192 240 WIRE 256 256 256 240 WIRE 368 288 368 272 WIRE 464 288 464 272 WIRE 464 288 368 288 WIRE 592 288 592 112 WIRE 592 288 464 288 WIRE 464 320 464 288 WIRE 464 416 464 400 WIRE 480 416 464 416 FLAG -112 224 0 FLAG 464 416 0 FLAG 256 256 0 SYMBOL voltage -112 96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 120 SYMBOL res 448 304 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL pnp 400 128 M180 SYMATTR InstName Q1 SYMATTR Value 2N5401 SYMBOL pnp 400 -144 M180 SYMATTR InstName Q2 SYMATTR Value 2N2907 SYMBOL cap 576 48 R0 SYMATTR InstName C1 SYMATTR Value 1? SYMBOL ind 448 -112 R0 SYMATTR InstName L1 SYMATTR Value 1? SYMBOL res 352 -112 R0 SYMATTR InstName R2 SYMATTR Value 1000 SYMBOL ind 448 176 R0 WINDOW 0 56 34 Left 2 WINDOW 3 56 72 Left 2 SYMATTR InstName L2 SYMATTR Value 1? SYMBOL res 352 176 R0 SYMATTR InstName R3 SYMATTR Value 1000 SYMBOL res 240 -64 R0 SYMATTR InstName R4 SYMATTR Value 5k SYMBOL res 240 128 R0 SYMATTR InstName R5 SYMATTR Value 100k SYMBOL cap 176 144 R0 SYMATTR InstName C2 SYMATTR Value 1? SYMBOL voltage 144 -176 R0 WINDOW 3 -231 -45 Left 2 WINDOW 123 24 44 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(-2 -2.1 1u 1n 1n 10u) SYMATTR Value2 AC 1 SYMBOL res 448 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 1k TEXT 88 328 Left 2 !.tran 20u