Add various simulation results

presentation.tex

@@ -102,7 +102,7 @@ in D-Band}
 %\input{sections/01_background_and_intro.tex}
 \input{sections/02_proposed_ideas.tex}
 \input{sections/03_simulation_results.tex}
-\input{sections/04_discussion.tex}
+%\input{sections/04_discussion.tex}
 \input{sections/05_conclusion.tex}
 \input{sections/question_slide.tex}
 

res/simulation/INT_SQuad_TIA_ConvGain_vs_LOPow.csv

@@ -0,0 +1,62 @@
+LOPow,ConvGain
+-50.000,-32.007
+-49.000,-31.007
+-48.000,-30.007
+-47.000,-29.007
+-46.000,-28.007
+-45.000,-27.007
+-44.000,-26.007
+-43.000,-25.007
+-42.000,-24.007
+-41.000,-23.008
+-40.000,-22.008
+-39.000,-21.008
+-38.000,-20.009
+-37.000,-19.009
+-36.000,-18.010
+-35.000,-17.011
+-34.000,-16.012
+-33.000,-15.013
+-32.000,-14.015
+-31.000,-13.017
+-30.000,-12.019
+-29.000,-11.023
+-28.000,-10.027
+-27.000,-9.032
+-26.000,-8.039
+-25.000,-7.047
+-24.000,-6.058
+-23.000,-5.071
+-22.000,-4.088
+-21.000,-3.109
+-20.000,-2.135
+-19.000,-1.168
+-18.000,-0.210
+-17.000,0.738
+-16.000,1.672
+-15.000,2.589
+-14.000,3.484
+-13.000,4.354
+-12.000,5.189
+-11.000,5.983
+-10.000,6.725
+-9.000,7.401
+-8.000,7.993
+-7.000,8.479
+-6.000,8.823
+-5.000,8.969
+-4.000,8.801
+-3.000,8.028
+-2.000,5.686
+-1.000,-2.683
+0.000,-25.690
+1.000,-26.401
+2.000,-25.561
+3.000,-24.196
+4.000,-24.651
+5.000,-26.474
+6.000,-28.934
+7.000,-31.025
+8.000,-33.569
+9.000,-36.703
+10.000,-39.030

res/simulation/INT_SQuad_TIA_ConvGain_vs_RFFreq.csv

@@ -0,0 +1,32 @@
+RFFreq,ConvGain
+110.000,3.992
+112.000,4.476
+114.000,4.977
+116.000,5.492
+118.000,6.019
+120.000,6.555
+122.000,7.094
+124.000,7.627
+126.000,8.147
+128.000,8.642
+130.000,9.098
+132.000,9.479
+134.000,9.707
+136.000,9.681
+138.000,9.402
+140.000,8.969
+142.000,8.462
+144.000,7.916
+146.000,7.344
+148.000,6.759
+150.000,6.169
+152.000,5.582
+154.000,5.004
+156.000,4.437
+158.000,3.886
+160.000,3.351
+162.000,2.833
+164.000,2.332
+166.000,1.848
+168.000,1.380
+170.000,0.929

res/simulation/INT_SQuad_TIA_ConvGain_vs_RFPow.csv

@@ -0,0 +1,18 @@
+RFPow,ConvGain
+-60.000,-11.023
+-55.000,-6.023
+-50.000,-1.024
+-45.000,3.975
+-40.000,8.969
+-35.000,13.951
+-30.000,18.894
+-25.000,23.709
+-20.000,28.073
+-15.000,31.036
+-10.000,32.216
+-5.000,31.876
+0.000,25.286
+5.000,-0.749
+10.000,-15.953
+15.000,-20.277
+20.000,-25.653

res/simulation/SQuad_NFdsb.csv

@@ -0,0 +1,72 @@
+VBE,NFdsb
+0.500,6.927
+0.510,6.751
+0.520,6.602
+0.530,6.477
+0.540,6.371
+0.550,6.281
+0.560,6.205
+0.570,6.140
+0.580,6.086
+0.590,6.042
+0.600,6.008
+0.610,5.986
+0.620,5.980
+0.630,6.000
+0.640,6.058
+0.650,6.165
+0.660,6.319
+0.670,6.503
+0.680,6.708
+0.690,6.979
+0.700,9.496
+0.710,7.345
+0.720,7.358
+0.730,7.505
+0.740,7.661
+0.750,7.818
+0.760,7.974
+0.770,8.130
+0.780,8.288
+0.790,8.447
+0.800,8.607
+0.810,8.770
+0.820,8.936
+0.830,9.106
+0.840,9.279
+0.850,9.457
+0.860,9.642
+0.870,9.837
+0.880,10.046
+0.890,10.275
+0.900,10.530
+0.910,10.824
+0.920,11.175
+0.930,11.613
+0.940,12.192
+0.950,12.977
+0.960,14.002
+0.970,15.432
+0.980,17.243
+0.990,19.360
+1.000,21.622
+1.010,23.878
+1.020,26.107
+1.030,28.301
+1.040,30.459
+1.050,32.555
+1.060,34.501
+1.070,36.153
+1.080,37.295
+1.090,37.907
+1.100,38.153
+1.110,39.592
+1.120,41.623
+1.130,42.881
+1.140,44.329
+1.150,45.893
+1.160,47.491
+1.170,49.075
+1.180,50.611
+1.190,52.057
+1.200,53.232

res/simulation/SQuad_OP_s21_vs_VBE.csv

@@ -0,0 +1,72 @@
+VBE,s21
+0.500,-0.224
+0.510,-0.152
+0.520,-0.058
+0.530,0.061
+0.540,0.204
+0.550,0.369
+0.560,0.551
+0.570,0.742
+0.580,0.933
+0.590,1.113
+0.600,1.272
+0.610,1.398
+0.620,1.483
+0.630,1.530
+0.640,1.549
+0.650,1.549
+0.660,1.541
+0.670,1.533
+0.680,1.530
+0.690,1.540
+0.700,1.578
+0.710,1.671
+0.720,1.838
+0.730,2.116
+0.740,2.565
+0.750,3.135
+0.760,3.685
+0.770,4.134
+0.780,4.494
+0.790,4.796
+0.800,5.031
+0.810,5.150
+0.820,5.039
+0.830,4.518
+0.840,3.644
+0.850,2.772
+0.860,1.496
+0.870,-0.536
+0.880,-2.168
+0.890,-3.197
+0.900,-4.813
+0.910,-6.910
+0.920,-8.366
+0.930,-8.696
+0.940,-8.671
+0.950,-8.963
+0.960,-9.770
+0.970,-11.042
+0.980,-12.471
+0.990,-13.474
+1.000,-14.025
+1.010,-15.063
+1.020,-17.286
+1.030,-20.436
+1.040,-23.090
+1.050,-24.760
+1.060,-26.734
+1.070,-28.987
+1.080,-30.615
+1.090,-31.992
+1.100,-33.545
+1.110,-35.340
+1.120,-37.550
+1.130,-40.232
+1.140,-43.600
+1.150,-48.177
+1.160,-53.564
+1.170,-52.822
+1.180,-49.170
+1.190,-47.202
+1.200,-46.409

res/simulation/TIA_OP_MaxGain_vs_IC.csv

@@ -0,0 +1,22 @@
+IC,MaxGain
+0.000,-10.280
+1.000,8.917
+2.000,12.983
+3.000,14.234
+4.000,15.014
+5.000,15.532
+6.000,15.826
+7.000,15.781
+8.000,6.676
+9.000,-13.801
+10.000,-14.153
+11.000,-14.050
+12.000,-13.892
+13.000,-13.770
+14.000,-13.692
+15.000,-13.638
+16.000,-13.599
+17.000,-13.571
+18.000,-13.549
+19.000,-13.533
+20.000,-13.521

res/simulation/TIA_OP_NFmin_vs_IC.csv

@@ -0,0 +1,22 @@
+IC,NFmin
+0.000,10.630
+1.000,3.534
+2.000,3.080
+3.000,2.911
+4.000,2.819
+5.000,2.756
+6.000,2.708
+7.000,2.669
+8.000,3.154
+9.000,13.919
+10.000,14.262
+11.000,14.178
+12.000,14.043
+13.000,13.946
+14.000,13.893
+15.000,13.863
+16.000,13.848
+17.000,13.842
+18.000,13.843
+19.000,13.849
+20.000,13.859

sections/02_proposed_ideas.tex

@@ -43,7 +43,7 @@
 % \end{frame}
 
 \begin{frame}[t]
-	\frametitle{Overview of Proposed Design}
+	\frametitle{Proposed Design: Overview}
 
 	\vspace*{-7mm}
 
@@ -140,8 +140,9 @@
 \end{frame}
 
 \begin{frame}
-	\frametitle{Simulation and Measurement Results}
+	\frametitle{Proposed Design: Simulation/Measurement Results}
 
+	\vspace*{-1mm}
 	\begin{minipage}{.5\textwidth}
 		\vspace*{-2mm}
 		\begin{figure}[H]

sections/03_simulation_results.tex

@@ -17,9 +17,9 @@
 			      \item SQuad \& TIA
 			      \item SQuad, TIA \& Buffer
 		      \end{itemize}
+		\item Further iterative optimization of parameters (e.g., determine LO power,\\ increase buffer current for linearity, \ldots)
 		\item Matching of input and output
 		\item Replacement of remaining DC blocks/feeds in bias circuitry
-		\item Final optimization
 	\end{enumerate}
 \end{frame}
 
@@ -41,7 +41,6 @@
 				      \item Exact value of $V_\text{CE}$ not crucial
 				      \item $V_\text{BE}$: Examination of $s_\text{21}$
 				            of Large-signal s-parameter simulation and noise figure (analogous to \citereference{Mai+21})
-				      \item [TODO] (Simulate noise figure or remove text)
 			      \end{itemize}
 		\end{itemize}
 	\end{minipage}%
@@ -62,6 +61,59 @@
 	\addreference{Mai+21}{T. Maiwald et al., ``A Broadband Zero-IF Down-Conversion Mixer in 130 nm SiGe BiCMOS for Beyond 5G Communication Systems in D-Band'', in \emph{IEEE Transactions on Circuits and Systems II: Express Briefs}, vol. 68, no. 7, pp. 2277-2281, July 2021}
 \end{frame}
 
+\begin{frame}
+	\frametitle{Operating Point: Switching Quad}
+
+	\vspace*{-2mm}
+	\begin{figure}[H]
+		\centering
+
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.75\textwidth,
+						xlabel={$V_\text{BE}\ (\text{V})$},
+						ylabel={$\mathit{s_\text{21}}\ (\text{dB})$},
+                        ytick={-50,-40,...,0,10},
+                        xtick={0.5,0.6,...,1.2},
+						grid,
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=VBE, y=s21]
+						{res/simulation/SQuad_OP_s21_vs_VBE.csv};
+					\addplot[mark=*] coordinates {(0.8,5.031)} node[pin=-100:{Q}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}%
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.75\textwidth,
+						xlabel={$V_\text{BE}\ (\text{V})$},
+						ylabel={$\mathit{NF}_\text{dsb}\ (\text{dB})$},
+                        ytick={0,10,...,60},
+                        xtick={0.5,0.6,...,1.2},
+						grid,
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=VBE, y=NFdsb]
+						{res/simulation/SQuad_NFdsb.csv};
+					\addplot[mark=*] coordinates {(0.8,8.607)} node[pin=100:{Q}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}
+	\end{figure}
+
+	\vspace*{-2mm}
+	\begin{itemize}
+		\item Plotted for $f_\text{LO}=\SI{135}{GHz}, f_\text{RF}=\SI{140}{GHz}$
+		\item Double-sideband noise figure (direct conversion mixer)
+		\item Chosen operating point: $V_\text{BE} = \SI{0.8}{V}$
+	\end{itemize}
+\end{frame}
+
 \begin{frame}
 	\frametitle{Operating Point: Transimpedance Amplifier}
 
@@ -79,6 +131,7 @@
 			      \begin{itemize}
 				      \item Exact value of supply voltage not crucial
 				      \item S-parameter simulation: Examination of maximum available gain ($\mathit{MAG}$) and minimum noise figure ($\mathit{NF}_\text{min}$)
+				      \item At this stage: only determination of operating point of bottom transistors
 			      \end{itemize}
 		\end{itemize}
 	\end{minipage}%
@@ -97,6 +150,55 @@
 	\end{minipage}
 \end{frame}
 
+\begin{frame}
+	\frametitle{Operating Point: Transimpedance Amplifier}
+
+	\begin{figure}[H]
+		\centering
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.75\textwidth,
+						xlabel={$I_\text{C}\ (\text{mA})$},
+						ylabel={$\mathit{MAG}\ (\text{dB})$},
+						grid, 
+                        xtick={0,2,...,20},
+                        ytick={-15, -10, ..., 15},
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=IC, y=MaxGain]
+						{res/simulation/TIA_OP_MaxGain_vs_IC.csv};
+					\addplot[mark=*] coordinates {(5,15.532)} node[pin=-100:{Q}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}%
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.75\textwidth,
+						xlabel={$I_\text{C}\ (\text{mA})$},
+						ylabel={$\mathit{NF}_\text{min}\ (\text{dB})$},
+                        xtick={0,2,...,20},
+                        ytick={0,2,...,16},
+						grid,
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=IC, y=NFmin]
+						{res/simulation/TIA_OP_NFmin_vs_IC.csv};
+					\addplot[mark=*] coordinates {(5,2.756)} node[pin=100:{Q}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}
+	\end{figure}
+
+	\begin{itemize}
+		\item Plotted for $f_\text{IF} = \SI{20}{GHz}$
+		\item Chosen operating point: $I_\text{C} = \SI{5}{mA}$ (with multiplier of $10$)
+	\end{itemize}
+\end{frame}
+
 \begin{frame}
 	\frametitle{Operating Point: Buffer}
 
@@ -128,6 +230,42 @@
 	\end{minipage}
 \end{frame}
 
+\begin{frame}
+	\frametitle{Operating Point: Buffer}
+
+	\begin{figure}
+		\centering
+		\begin{subfigure}{0.5\textwidth}
+			\centering
+			\begin{tikzpicture}
+				\begin{axis}[
+						domain=-5:5,
+						width=\textwidth,
+						height=0.75\textwidth,
+						samples=100,
+					]
+					\addplot+[mark=none, line width=1pt]
+					{ln(x)};
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}%
+		\begin{subfigure}{0.5\textwidth}
+			\centering
+			\begin{tikzpicture}
+				\begin{axis}[
+						domain=-.1:.1,
+						width=\textwidth,
+						height=0.75\textwidth,
+						samples=100,
+					]
+					\addplot+[mark=none, line width=1pt]
+					{tanh(deg(x))};
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}
+	\end{figure}
+\end{frame}
+
 \begin{frame}
 	\frametitle{Integration: SQuad \& TIA}
 
@@ -139,7 +277,6 @@
 			      \begin{itemize}
 				      \item Conversion gain
 				      \item $\SI{1}{dB}$ compression point ($P_{\SI{1}{dB}}$)
-				      \item[TODO] Noise figure
 			      \end{itemize}
 		\end{itemize}
 	\end{minipage}%
@@ -159,6 +296,69 @@
 	\end{minipage}
 \end{frame}
 
+\begin{frame}
+	\frametitle{Integration: SQuad \& TIA}
+
+    \vspace*{-6mm}
+	\begin{figure}
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.5\textwidth,
+						ylabel={Conversion Gain (dB)},
+						xlabel={$P_\text{LO}\ (\text{dBm})$},
+						grid,
+                        xtick={-50,-40,...,10},
+                        ytick={-40,-30,...,10},
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=LOPow, y=ConvGain]
+						{res/simulation/INT_SQuad_TIA_ConvGain_vs_LOPow.csv};
+					\addplot[mark=*] coordinates {(-5,8.969)} node[pin=-100:{OP}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}%
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.5\textwidth,
+						ylabel={Conversion Gain (dB)},
+						xlabel={$P_\text{RF}\ (\text{dBm})$},
+                        xtick={-60,-50,...,20},
+                        ytick={-20,-10,...,30},
+						grid,
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=RFPow, y=ConvGain]
+						{res/simulation/INT_SQuad_TIA_ConvGain_vs_RFPow.csv};
+					\node[scol2,circle,fill,inner sep=2pt] at (axis cs:-20,28.073) {};
+					\addplot[mark=*] coordinates {(-20,28.073)} node[pin=-80:{$P_{\SI{1}{dB}}$}]{} ;
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}
+
+		\begin{subfigure}{0.5\textwidth}
+			\begin{tikzpicture}
+				\begin{axis}[
+						width=\textwidth,
+						height=0.5\textwidth,
+						ylabel={Conversion Gain (dB)},
+						xlabel={$f_\text{RF}\ (\text{GHz})$},
+                        xtick={-110,-100,...,170},
+                        ytick={-10,-8,...,10},
+						grid,
+					]
+					\addplot+[mark=none, line width=1pt]
+					table[col sep=comma, x=RFFreq, y=ConvGain]
+						{res/simulation/INT_SQuad_TIA_ConvGain_vs_RFFreq.csv};
+				\end{axis}
+			\end{tikzpicture}
+		\end{subfigure}%
+	\end{figure}
+\end{frame}
+
 \begin{frame}
 	\frametitle{Integration: SQuad, TIA \& Buffer}
 
@@ -168,7 +368,28 @@
 \end{frame}
 
 \begin{frame}
-	\frametitle{Further Optimization: \ldots}
+	\frametitle{Integration: SQuad, TIA \& Buffer}
+
+	\begin{itemize}
+		\item [TODO] Plots
+	\end{itemize}
+\end{frame}
+
+\begin{frame}
+	\frametitle{Final Circuit}
+
+	\begin{itemize}
+		\item [TODO] A few key points
+		\item [TODO] Circuit diagram
+	\end{itemize}
+\end{frame}
+
+\begin{frame}
+	\frametitle{Final Circuit}
+
+	\begin{itemize}
+		\item [TODO] 4 Plots of same stuff as in paper
+	\end{itemize}
 \end{frame}
 
 %\begin{frame}

sections/05_conclusion.tex

@@ -5,11 +5,12 @@
 	\frametitle{Conclusion}
 
 	\begin{itemize}
-		\item [TODO] Summary of novel ideas
+        \item Removal of $g_\text{m}$ stage of Gilbert cell for more voltage headroom
-		\item [TODO] Summary of results
+        \item Usage of high bandwidth TIA and inductive peaking
+        \item Differential to single-ended conversion for dense chip-to-package transition
 		\item [TODO] Applications of proposed design (why specifically 5G?)
 		      \begin{itemize}
-			      \item Are BiCMOS devices, e.g., particularly cheap or easily scalable?
+                  \item [TODO] Are BiCMOS devices, e.g., particularly cheap or easily scalable?
 		      \end{itemize}
 	\end{itemize}
 \end{frame}