Continued refactoring, split up plotting statements.
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4 changed files with 218 additions and 69 deletions
183
tankPlot.py
183
tankPlot.py
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@ -10,9 +10,11 @@ sys.path.append("./pySmithPlot")
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import smithplot
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from smithplot import SmithAxes
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plot_list = [4]
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################################################################################
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# Override the defaults for this script
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rcParams['figure.figsize'] = [10,7]
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rcParams['figure.figsize'] = [3.4,2.2]
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default_window_position=['+20+80', '+120+80']
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################################################################################
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@ -22,29 +24,31 @@ from FreqClass import FreqClass
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from tankComputers import *
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S=TankGlobals.ampSystem()
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B=TankGlobals.bufferSystem()
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f=FreqClass(501, S.f0, S.bw_plt)
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################################################################################
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# We want a smooth transition out to alpha. So For now assume a squares
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# weighting out to the maximum alpha at the edges.
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gain_variation = -8*0 # dB
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# This gain variation function is the default function baked into the method.
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gain_variation = 0 # dB
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S.alpha_min = dB2Vlt(gain_variation)
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# compute correction factor for g1 that will produce common gain at f0
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# this is defined as the class default
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g1_swp = S.g1_swp
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# and compute how much of a negative gm this requres, and it's relative
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# proportion to the gm of the assumed main amplifier gm.
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g1_boost = (g1_swp - S.g1)
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g1_boost = (S.g1_swp - S.g1)
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g1_ratio = -g1_boost / S.gm1
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print(' Max G1 boost %.2fmS (%.1f%% of gm1)' % \
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(1e3*np.max(np.abs(g1_boost)), 100*np.max(g1_ratio)))
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################################################################################
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# Generate a reference implementation
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# Extract the computed tank conductanec, and the transfer functions.
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(y_tank, tf) = S.compute_block(f)
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(_, tf_ref) = S.compute_ref(f)
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# To produce full 360 dgree plots, double the two transfer functions by
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# considering inversion.
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# double to describe with perfect inversion stage
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tf = np.column_stack((tf,-tf))
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@ -63,66 +67,123 @@ y_tank = y_tank.T
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(bw_ang, rms_ang_swp)=rms_v_bw(tf_r_ang-tf_r_ang_ideal, S.bw_plt)
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(bw_mag, rms_gain_swp)=rms_v_bw(tf_r, S.bw_plt)
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################################################################################
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(y_buf, tf_buf) = B.compute_ref(f)
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h1 = pp.figure()
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h2 = pp.figure(figsize=(5,7))
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h3 = pp.figure(figsize=(5,7))
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################################################################################
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################################################################################
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################################################################################
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mgr = pp.get_current_fig_manager()
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################################################################################
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ax1 = h1.add_subplot(2,2,1, projection='smith')
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ax2 = h1.add_subplot(2,2,3, projection='polar')
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ax3 = h1.add_subplot(2,2,2)
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ax4 = h1.add_subplot(2,2,4)
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ax1.plot(y_tank, datatype=SmithAxes.Y_PARAMETER, marker="None")
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ax2.plot(np.angle(tf), dB20(tf))
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ax3.plot(f.hz,dB20(tf))
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ax4.plot(f.hz,ang_unwrap(tf))
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################################################################################
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ax6 = h2.add_subplot(2,1,1)
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ax7 = h2.add_subplot(2,1,2)
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ax6.plot(f.hz,dB20(tf_r))
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ax7.plot(f.hz,ang_unwrap(tf_r.T).T)
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if 6 in plot_list:
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h6 = pp.figure()
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mgr = pp.get_current_fig_manager()
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ax6 = [h6.subplots(1,1)]
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ax6.append(ax6[0].twinx())
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ax8 = h3.add_subplot(2,1,1)
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ax9 = h3.add_subplot(2,1,2)
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ax8.plot(bw_mag,dB20(rms_gain_swp))
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ax9.plot(bw_ang,rms_ang_swp*180/np.pi)
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axT=ax6[0]
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axT.plot(f.hz,dB20(tf_buf))
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axT.set_ylabel('Gain (dB)')
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axT.set_title('Buffer Response')
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setLimitsTicks(axT, dB20(tf_buf), 6)
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axT=ax6[1]
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axT.plot(f.hz,ang_unwrap(tf_buf))
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axT.set_ylabel('Phase (deg)')
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setLimitsTicks(axT, ang_unwrap(tf_buf), 6)
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ax1.set_title('Tank Impedance')
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ax2.set_title('Transfer Function')
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ax3.set_title('TF Gain')
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ax3.set_ylabel('Gain (dB)')
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ax4.set_title('TF Phase')
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ax4.set_ylabel('Phase (deg)')
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ax6.set_title('TF Relative Gain')
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ax6.set_ylabel('Relative Gain (dB)')
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ax7.set_title('TF Relative Phase')
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ax7.set_ylabel('Relative Phase (deg)')
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for ax_T in [ax3, ax4, ax6, ax7]:
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ax_T.grid()
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ax_T.set_xlabel('Freq (GHz)')
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ax_T.set_xlim(f.hz_range)
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ax8.set_title('RMS Gain Error')
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ax8.set_ylabel('RMS Gain Error (dB)')
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ax9.set_title('RMS Phase Error')
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ax9.set_ylabel('RMS Phase Error (deg)')
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for ax_T in [ax8, ax9]:
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ax_T.grid()
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ax_T.set_xlim((0,S.bw_plt))
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ax_T.set_xlabel('Bandwidth (GHz)')
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for i,axT in enumerate(ax6):
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if i==0: axT.grid()
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axT.set_xlim(f.hz_range)
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axT.set_xlabel('Frequency (GHz)')
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c_color = LPRDefaultPlotting.COLOR_CYCLE_LIST[i]
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axT.lines[0].set_color(c_color)
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axT.yaxis.label.set_color(c_color)
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axT.tick_params('y', colors=c_color)
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h6.tight_layout()
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mgr.window.geometry(default_window_position[0])
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h6.show()
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################################################################################
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h1.tight_layout()
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h2.tight_layout()
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h3.tight_layout()
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mgr.window.geometry(default_window_position[0])
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h1.show()
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mgr.window.geometry(default_window_position[1])
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h2.show()
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h3.show()
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if 1 in plot_list:
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h1 = [pp.figure() for x in range(2)]
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ax1 = [hT.add_subplot(1,1,1) for hT in h1]
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ax1[0].plot(f.hz,dB20(tf))
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ax1[1].plot(f.hz,ang_unwrap(tf))
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ax1[0].set_title('TF Gain')
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ax1[0].set_ylabel('Gain (dB)')
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ax1[1].set_title('TF Phase')
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ax1[1].set_ylabel('Phase (deg)')
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for axT in ax1:
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axT.grid()
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axT.set_xlabel('Freq (GHz)')
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axT.set_xlim(f.hz_range)
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[hT.tight_layout() for hT in h1]
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mgr.window.geometry(default_window_position[0])
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[hT.show() for hT in h1]
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if 4 in plot_list:
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h4 = [pp.figure(figsize=(3.4,3.4)) for x in range(2)]
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ax4 = []
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ax4.append(h4[0].add_subplot(1,1,1, projection='smith'))
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ax4.append(h4[1].add_subplot(1,1,1, projection='polar'))
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ax4[0].plot(y_tank, datatype=SmithAxes.Y_PARAMETER, marker="None")
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ax4[1].plot(np.angle(tf), dB20(tf))
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ax4[0].set_title('Tank Impedance')
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ax4[1].set_title('Transfer Function')
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old_pos = ax4[1].title.get_position()
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ax4[1].title.set_position((old_pos[0], 1.1))
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h4[1].tight_layout()
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#[hT.tight_layout() for hT in h4]
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mgr.window.geometry(default_window_position[0])
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[hT.show() for hT in h4]
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################################################################################
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if 2 in plot_list:
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h2 = [pp.figure() for x in range(2)]
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ax2 = [hT.add_subplot(1,1,1) for hT in h2]
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ax2[0].plot(f.hz,dB20(tf_r))
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setLimitsTicks(ax2[0], dB20(tf_r), 6)
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ax2[1].plot(f.hz,ang_unwrap(tf_r.T).T)
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setLimitsTicks(ax2[1], ang_unwrap(tf_r.T), 6)
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ax2[0].set_title('Relative Gain')
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ax2[0].set_ylabel('Gain (dB)')
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ax2[1].set_title('Relative Phase')
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ax2[1].set_ylabel('Phase (deg)')
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for axT in ax2:
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axT.grid()
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axT.set_xlabel('Freq (GHz)')
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axT.set_xlim(f.hz_range)
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[hT.tight_layout() for hT in h2]
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mgr.window.geometry(default_window_position[1])
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[hT.show() for hT in h2]
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################################################################################
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if 3 in plot_list:
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h3 = [pp.figure() for x in range(2)]
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ax3 = [hT.add_subplot(1,1,1) for hT in h3]
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ax3[0].plot(bw_mag,dB20(rms_gain_swp))
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ax3[1].plot(bw_ang,rms_ang_swp*180/np.pi)
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ax3[0].set_title('RMS Gain Error')
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ax3[0].set_ylabel('RMS Gain Error (dB)')
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ax3[1].set_title('RMS Phase Error')
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ax3[1].set_ylabel('RMS Phase Error (deg)')
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for axT in ax3:
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axT.grid()
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axT.set_xlim((0,S.bw_plt))
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axT.set_xlabel('Bandwidth (GHz)')
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[hT.tight_layout() for hT in h3]
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[hT.show() for hT in h3]
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