======================VOLTAGE_MULTIPLIER============================= ___ Phi | |__||_____________||__________ |___| || | | || | | Voltage _|_ _|_ _|_ _|_ multiplier ^ \ / ^ \ / ___ /_\ _V_ /_\ _V_ ___ _Phi | |__||__|___||__|______|___||__|__|\|__| | |___| || || || |/| |___| ------------------------------------------------------------------------- Voltage Multiplier Circuit 25-Stage 1MOhm Caps .065uF/400WV Diodes 1N4007 400PIV O--+ +--+--+-|(-+--+-|(-+--+-|(-+--+-|(-+--+-|(-+-->1 | | | | | | | | | | | | | ) ( | _|_ | _|_ | _|_ | _|_ | _|_ | ) ( \ /_\ | /_\ | /_\ | /_\ | /_\ | ) ( / | _|_ | _|_ | _|_ | _|_ | _|_ ) ( \ | \_/ | \_/ | \_/ | \_/ | \_/ ) ( / | | | | | | | | | | ) ( | +--+-+ +--+-+ +--+-+ +--+-+ +--+-+ | | | | | | | | O--+ +--+--|(-+----|(-+----|(-+----|(-+----|(-+---->2 | +--------------------------------------------->3 -----------------------ChargePump------------------------- _ 5V | | | | |_| 0V ___ 10V-vbe 1pF |5V |___||_____________||_______________ 20V-4vbe |___| - || + | - || + | 5V-vbe | 10V-3vbe | ___ | | 20V-5vbe |0V |______|\|___|______|\|________|\|__|___|\|__ |___| | |/| |/|=> | |/| |/|=>| _ 5V | 1pF | _|_ | | | |_____________||_____| 10V-2vbe ___ |_| | 0 - || + _|_ 10V-2vbe \\\ _ | | | |_| | 0V ___ 5V-vbe 1pF |0V |___||_____________||_______________ 15V-3vbe |___| - || + | - || + | 5V-vbe | 10V-3vbe | ___ | | 20V-5vbe |5V |______|\|___|______|\|________|\|__|___|\|__ |___| | |/|=> |/| | |/|=> |/| | _ 5V | 1pF | _|_ | | | |_____________||_____| 15V-2vbe ___ | |_| 0 - || + _|_ 10V-2vbe \\\ Vout = 16.5V 1pF/10nSec open Vout = 10.6V 1pF/10nSec 100Kload Rout= 56K Vout = 13.1V 1pF/5nSec 100Kload Rout= 26K Vout = 13.1V 2pF/10nSec 100Kload Rout= 26K R_1pF_10nsec = 10kohms