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Mark stable point of tank plotting with hard gain limit

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This commit is contained in:
Luke 2018-07-19 10:20:10 -07:00
parent 17d08cfaed
commit d6d75b804f
3 changed files with 179 additions and 14 deletions
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17
TankGlobals.py
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@ -5,21 +5,22 @@ import numpy as np
# Operating Enviornment
#####
f0 = 28
bw0 = 6.5 # assumed tuning range (GHz)
bw_plt = 3 # Plotting range (GHz)
bw0 = 8 # assumed tuning range (GHz)
bw_plt = 4 # Plotting range (GHz)
fbw = bw0/f0 # fractional bandwidth
frequency_sweep_steps = 101
gamma_sweep_steps = 16
gamma_sweep_steps = 8
gamma = 1 - np.power(f0 / (f0 + bw0/2),2)
gamma_limit_ratio = 0.99 # how close gamma can get to theoretical extreme
phase_limit_requested = (1-1/gamma_sweep_steps)*np.pi/2
# Configuration Of Hardware
#####
q1_L = 10
q1_C = 10
l1 = 100e-3 # nH
q1_L = 20
q1_C = 7
l1 = 180e-3 # nH
gm1 = 25e-3 # S
# Compute frequency sweep
@ -44,6 +45,6 @@ g1 = g1_L + g1_C
gamma_max = g1 * np.sqrt(l1/c1)
if gamma > (gamma_limit_ratio * gamma_max):
print("==> WARN: Gamma to large, reset to %.3f (was %.3f) <==" % \
(gamma_max_cap*gamma_max, gamma))
gamma = gamma_max_cap*gamma_max
(gamma_limit_ratio * gamma_max, gamma))
gamma = gamma_limit_ratio * gamma_max