[Prev][Next][Index][Thread]
Artificial Line Measurements
From: Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: Sunday, September 21, 1997 2:55 PM
To: tesla-at-pupman-dot-com
Subject: Artificial Line Measurements
The Line:
1.6mH 800uH 400uH 200uH 100uH 50uH 25uH
-----ooo--+--ooo--+--ooo--+--ooo--+--ooo--+--ooo--+--ooo--+---
| | | | | | |
--- --- --- --- --- --- ---
In --- --- --- --- --- --- --- Out
| | | | | | |
----------+-------+-------+-------+-------+-------+-------+---
10pF 22pF 50pF 100pF 220pF 470pF 1nF
Measurements and Calculations:
Vo/Vin = 40V/1.1V (peak volts) = 36.4 (CW drive, Zgen = 7 Ohms)
Q = 28
VSWR = 4Q/PI = 35.6
(the above figures include the generator impedance. Subtracting this
from ESR and recalculating gives:
Q = 32.6
VSWR = 41.5
Ltot = 3.175mH
Ctot = 1.872nF
F(meas) = 64.9kHz
F(calc) = 65.28kHz (from sums of lumped components)
ESR(incl. gen) = 46.6 Ohms
Voltage Measurements (nodes are numbered from 1.6mH/800uH junction (1)
to Output (7) ).
(1) (2) (3) (4) (5) (6) (7)
Volts(peak) 19 29.5 35 38 39 39.7 40
Energy(nJ) 1.8 9.6 30.6 72.2 167 370 800
Note: Capacitor and Inductor values are subject to +- 5% maximum error.