From 920beeb8d97a1fa50a62ba0ad5a9194e84a4056a Mon Sep 17 00:00:00 2001
From: Jeffrey Phillips Freeman <the@jeffreyfreeman.me>
Date: Tue, 1 Sep 2020 23:13:52 -0400
Subject: [PATCH] Reduced the number and value of the decoupling capacitors on
 the DC biasing section.

---
 rf-analyzer/rf-analyzer.sch | 358 +++++++++++++++---------------------
 1 file changed, 150 insertions(+), 208 deletions(-)

diff --git a/rf-analyzer/rf-analyzer.sch b/rf-analyzer/rf-analyzer.sch
index 0672f12..dedf83b 100644
--- a/rf-analyzer/rf-analyzer.sch
+++ b/rf-analyzer/rf-analyzer.sch
@@ -93,89 +93,78 @@ $EndComp
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-F 1 "22Ω" H 6850 1650 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6800 1600 50  0001 C CNN
-F 3 "" H 6800 1600 50  0001 C CNN
-	1    6800 1600
+P 6450 1350
+F 0 "R?" H 6550 1300 50  0000 L CNN
+F 1 "22Ω" H 6500 1400 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6450 1350 50  0001 C CNN
+F 3 "" H 6450 1350 50  0001 C CNN
+	1    6450 1350
 	-1   0    0    1   
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 L Device:R_Small R?
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-P 6400 1400
-F 0 "R?" V 6300 1350 50  0000 L CNN
-F 1 "33Ω" V 6500 1300 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6400 1400 50  0001 C CNN
-F 3 "" H 6400 1400 50  0001 C CNN
-	1    6400 1400
+P 6150 1150
+F 0 "R?" V 6050 1100 50  0000 L CNN
+F 1 "33Ω" V 6250 1050 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6150 1150 50  0001 C CNN
+F 3 "" H 6150 1150 50  0001 C CNN
+	1    6150 1150
 	0    1    1    0   
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-F 0 "C?" V 6200 1350 50  0000 L CNN
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-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6100 1400 50  0001 C CNN
-F 3 "" H 6100 1400 50  0001 C CNN
-	1    6100 1400
+P 5750 1150
+F 0 "C?" V 5850 1100 50  0000 L CNN
+F 1 "1nF" V 5650 1100 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5750 1150 50  0001 C CNN
+F 3 "" H 5750 1150 50  0001 C CNN
+	1    5750 1150
 	0    1    1    0   
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-F 0 "C?" H 6900 1900 50  0000 L CNN
-F 1 "10nF" H 6850 2000 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6800 1900 50  0001 C CNN
-F 3 "" H 6800 1900 50  0001 C CNN
-	1    6800 1900
-	-1   0    0    1   
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-F 0 "C?" H 6600 1900 50  0000 L CNN
-F 1 "100nF" H 6550 2000 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6500 1900 50  0001 C CNN
-F 3 "" H 6500 1900 50  0001 C CNN
-	1    6500 1900
+P 6450 1650
+F 0 "C?" H 6550 1650 50  0000 L CNN
+F 1 "1nF" H 6500 1750 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6450 1650 50  0001 C CNN
+F 3 "" H 6450 1650 50  0001 C CNN
+	1    6450 1650
 	-1   0    0    1   
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-F 0 "R?" H 6250 1850 50  0000 L CNN
-F 1 "1KΩ" H 6200 1950 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6150 1900 50  0001 C CNN
-F 3 "" H 6150 1900 50  0001 C CNN
-	1    6150 1900
+P 6150 1650
+F 0 "R?" H 6250 1600 50  0000 L CNN
+F 1 "1KΩ" H 6200 1700 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6150 1650 50  0001 C CNN
+F 3 "" H 6150 1650 50  0001 C CNN
+	1    6150 1650
 	-1   0    0    1   
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-P 5800 1750
-F 0 "R?" V 5700 1700 50  0000 L CNN
-F 1 "1KΩ" V 5900 1650 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5800 1750 50  0001 C CNN
-F 3 "" H 5800 1750 50  0001 C CNN
-	1    5800 1750
+P 5850 1500
+F 0 "R?" V 5750 1450 50  0000 L CNN
+F 1 "1KΩ" V 5950 1400 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5850 1500 50  0001 C CNN
+F 3 "" H 5850 1500 50  0001 C CNN
+	1    5850 1500
 	0    1    1    0   
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-F 0 "#PWR0102" H 5600 1550 50  0001 C CNN
-F 1 "+5V" H 5600 1840 50  0000 C CNN
-F 2 "" H 5600 1700 50  0001 C CNN
-F 3 "" H 5600 1700 50  0001 C CNN
-	1    5600 1700
+P 5600 1450
+F 0 "#PWR0102" H 5600 1300 50  0001 C CNN
+F 1 "+5V" H 5600 1590 50  0000 C CNN
+F 2 "" H 5600 1450 50  0001 C CNN
+F 3 "" H 5600 1450 50  0001 C CNN
+	1    5600 1450
 	1    0    0    -1  
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 Text GLabel 10750 1050 2    60   Input ~ 0
@@ -339,7 +328,7 @@ Text GLabel 3150 2150 0    60   Input ~ 0
 refl_sig
 Text Notes 550  700  0    60   ~ 0
 180 Phase &\nMagnitude Detectors
-Text GLabel 7150 900  2    60   Input ~ 0
+Text GLabel 6050 950  2    60   Input ~ 0
 fwd_sig
 Wire Wire Line
 	9750 650  9750 700 
@@ -371,41 +360,23 @@ Wire Wire Line
 	9100 950  9350 950 
 Wire Wire Line
 	8850 950  8850 1200
-Wire Wire Line
-	6500 1400 6800 1400
 Wire Wire Line
 	8850 1400 8850 1650
 Wire Wire Line
 	8850 1650 9000 1650
-Wire Wire Line
-	5950 1400 6000 1400
 Wire Wire Line
 	10150 1050 10200 1050
 Connection ~ 10200 1050
 Wire Wire Line
-	6800 1500 6800 1400
-Connection ~ 6800 1400
-Wire Wire Line
-	6800 1700 6800 1750
+	6450 1250 6450 1150
 Wire Wire Line
-	6800 2000 6800 2050
-Wire Wire Line
-	6500 2050 6500 2000
-Wire Wire Line
-	6150 2050 6150 2000
-Wire Wire Line
-	6500 1750 6500 1800
-Wire Wire Line
-	5900 1750 6150 1750
-Connection ~ 6800 1750
+	6450 1750 6450 1800
 Wire Wire Line
 	6150 1800 6150 1750
-Connection ~ 6500 1750
-Connection ~ 6150 1750
 Wire Wire Line
-	5700 1750 5600 1750
+	6150 1550 6150 1500
 Wire Wire Line
-	5600 1750 5600 1700
+	5600 1500 5600 1450
 Wire Notes Line
 	8250 650  8950 650 
 Wire Notes Line
@@ -634,14 +605,6 @@ Wire Wire Line
 	8850 950  8900 950 
 Wire Wire Line
 	10200 1050 10250 1050
-Wire Wire Line
-	6800 1400 7150 1400
-Wire Wire Line
-	6800 1750 6800 1800
-Wire Wire Line
-	6500 1750 6800 1750
-Wire Wire Line
-	6150 1750 6500 1750
 Wire Wire Line
 	9350 950  9550 950 
 Wire Wire Line
@@ -769,34 +732,23 @@ $EndComp
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-F 2 "" H 6150 2050 50  0001 C CNN
-F 3 "" H 6150 2050 50  0001 C CNN
-	1    6150 2050
-	1    0    0    -1  
-$EndComp
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-F 0 "#PWR0119" H 6500 1800 50  0001 C CNN
-F 1 "GNDA" H 6505 1877 50  0000 C CNN
-F 2 "" H 6500 2050 50  0001 C CNN
-F 3 "" H 6500 2050 50  0001 C CNN
-	1    6500 2050
+P 6150 1800
+F 0 "#PWR0118" H 6150 1550 50  0001 C CNN
+F 1 "GNDA" H 6155 1627 50  0000 C CNN
+F 2 "" H 6150 1800 50  0001 C CNN
+F 3 "" H 6150 1800 50  0001 C CNN
+	1    6150 1800
 	1    0    0    -1  
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-F 0 "#PWR0120" H 6800 1800 50  0001 C CNN
-F 1 "GNDA" H 6805 1877 50  0000 C CNN
-F 2 "" H 6800 2050 50  0001 C CNN
-F 3 "" H 6800 2050 50  0001 C CNN
-	1    6800 2050
+P 6450 1800
+F 0 "#PWR0120" H 6450 1550 50  0001 C CNN
+F 1 "GNDA" H 6455 1627 50  0000 C CNN
+F 2 "" H 6450 1800 50  0001 C CNN
+F 3 "" H 6450 1800 50  0001 C CNN
+	1    6450 1800
 	1    0    0    -1  
 $EndComp
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@@ -879,51 +831,51 @@ $EndComp
 $Comp
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-F 3 " ~" H 5350 1200 50  0001 C CNN
-	1    5350 1200
+P 5350 1150
+F 0 "J?" H 5350 1400 50  0000 C CNN
+F 1 "Conn_Coaxial" H 5350 1300 50  0000 C CNN
+F 2 "Connector_Coaxial:U.FL_Molex_MCRF_73412-0110_Vertical" H 5350 1150 50  0001 C CNN
+F 3 " ~" H 5350 1150 50  0001 C CNN
+	1    5350 1150
 	-1   0    0    -1  
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 L Connector:Conn_Coaxial J?
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-P 7150 1750
-F 0 "J?" H 7080 1988 50  0000 C CNN
-F 1 "Conn_Coaxial" H 7080 1897 50  0000 C CNN
-F 2 "Connector_Coaxial:U.FL_Molex_MCRF_73412-0110_Vertical" H 7150 1750 50  0001 C CNN
-F 3 " ~" H 7150 1750 50  0001 C CNN
-	1    7150 1750
+P 7050 1500
+F 0 "J?" H 6980 1738 50  0000 C CNN
+F 1 "Conn_Coaxial" H 6980 1647 50  0000 C CNN
+F 2 "Connector_Coaxial:U.FL_Molex_MCRF_73412-0110_Vertical" H 7050 1500 50  0001 C CNN
+F 3 " ~" H 7050 1500 50  0001 C CNN
+	1    7050 1500
 	-1   0    0    -1  
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 L power:GNDA #PWR?
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-F 0 "#PWR?" H 7150 1800 50  0001 C CNN
-F 1 "GNDA" H 7155 1877 50  0000 C CNN
-F 2 "" H 7150 2050 50  0001 C CNN
-F 3 "" H 7150 2050 50  0001 C CNN
-	1    7150 2050
+P 7050 1800
+F 0 "#PWR?" H 7050 1550 50  0001 C CNN
+F 1 "GNDA" H 7055 1627 50  0000 C CNN
+F 2 "" H 7050 1800 50  0001 C CNN
+F 3 "" H 7050 1800 50  0001 C CNN
+	1    7050 1800
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GNDA #PWR?
 U 1 1 5C6BA23D
-P 5350 1500
-F 0 "#PWR?" H 5350 1250 50  0001 C CNN
-F 1 "GNDA" H 5355 1327 50  0000 C CNN
-F 2 "" H 5350 1500 50  0001 C CNN
-F 3 "" H 5350 1500 50  0001 C CNN
-	1    5350 1500
+P 5350 1450
+F 0 "#PWR?" H 5350 1200 50  0001 C CNN
+F 1 "GNDA" H 5355 1277 50  0000 C CNN
+F 2 "" H 5350 1450 50  0001 C CNN
+F 3 "" H 5350 1450 50  0001 C CNN
+	1    5350 1450
 	1    0    0    -1  
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 Wire Wire Line
-	5350 1400 5350 1500
+	5350 1350 5350 1450
 Wire Wire Line
-	7150 1950 7150 2050
+	7050 1700 7050 1800
 $Comp
 L Device:R_Small R?
 U 1 1 5C72DFC1
@@ -1122,75 +1074,41 @@ Wire Wire Line
 	9450 5700 9450 5800
 Text GLabel 8700 3000 2    50   Input ~ 0
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-Connection ~ 6250 1400
-Wire Wire Line
-	6250 1400 6300 1400
-Wire Wire Line
-	6200 1400 6250 1400
-Wire Wire Line
-	5950 1050 6000 1050
-Wire Wire Line
-	6250 1050 6250 1400
-Wire Wire Line
-	6200 1050 6250 1050
-$Comp
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-P 6100 1050
-F 0 "C?" V 6200 1000 50  0000 L CNN
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-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6100 1050 50  0001 C CNN
-F 3 "" H 6100 1050 50  0001 C CNN
-	1    6100 1050
-	0    1    1    0   
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-	5950 1050 5950 1200
-Wire Wire Line
-	5950 1200 5850 1200
-Connection ~ 5950 1200
-Wire Wire Line
-	5950 1200 5950 1400
-Wire Wire Line
-	5850 1200 5850 900 
-Connection ~ 5850 1200
-Wire Wire Line
-	5850 1200 5550 1200
-Text GLabel 7150 1400 2    60   Input ~ 0
+Text GLabel 6500 1150 2    60   Input ~ 0
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-P 7450 1900
-F 0 "R?" H 7550 1850 50  0000 L CNN
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-F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7450 1900 50  0001 C CNN
-F 3 "" H 7450 1900 50  0001 C CNN
-	1    7450 1900
+P 7350 1650
+F 0 "R?" H 7450 1600 50  0000 L CNN
+F 1 "50Ω" H 7400 1700 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7350 1650 50  0001 C CNN
+F 3 "" H 7350 1650 50  0001 C CNN
+	1    7350 1650
 	-1   0    0    1   
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-F 0 "#PWR?" H 7450 1800 50  0001 C CNN
-F 1 "GNDA" H 7455 1877 50  0000 C CNN
-F 2 "" H 7450 2050 50  0001 C CNN
-F 3 "" H 7450 2050 50  0001 C CNN
-	1    7450 2050
+P 7350 1800
+F 0 "#PWR?" H 7350 1550 50  0001 C CNN
+F 1 "GNDA" H 7355 1627 50  0000 C CNN
+F 2 "" H 7350 1800 50  0001 C CNN
+F 3 "" H 7350 1800 50  0001 C CNN
+	1    7350 1800
 	1    0    0    -1  
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 Wire Wire Line
-	7350 1750 7450 1750
+	7250 1500 7350 1500
 Wire Wire Line
-	7450 1750 7450 1800
-Text GLabel 7800 1750 2    60   Input ~ 0
+	7350 1500 7350 1550
+Text GLabel 7700 1500 2    60   Input ~ 0
 refl_sig
 Wire Wire Line
-	7550 1750 7450 1750
-Connection ~ 7450 1750
+	7450 1500 7350 1500
+Connection ~ 7350 1500
 Wire Wire Line
-	7450 2000 7450 2050
+	7350 1750 7350 1800
 Wire Wire Line
 	10200 2300 10150 2300
 Text GLabel 8800 950  0    60   Input ~ 0
@@ -1199,11 +1117,7 @@ Wire Wire Line
 	8800 950  8850 950 
 Connection ~ 8850 950 
 Wire Notes Line
-	8250 1900 11200 1900
-Wire Notes Line
-	8250 2350 5050 2350
-Wire Notes Line
-	8250 2350 8250 500 
+	8200 2350 8200 500 
 Wire Notes Line
 	9250 1900 9250 3800
 Text Notes 5100 600  0    60   ~ 0
@@ -1621,31 +1535,27 @@ Connection ~ 6250 3100
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-P 6600 900
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-F 1 "1nF" V 6500 850 50  0000 L CNN
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-F 3 "" H 6600 900 50  0001 C CNN
-	1    6600 900 
+P 5900 950
+F 0 "C?" V 6000 900 50  0000 L CNN
+F 1 "1nF" V 5800 900 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5900 950 50  0001 C CNN
+F 3 "" H 5900 950 50  0001 C CNN
+	1    5900 950 
 	0    1    1    0   
 $EndComp
 $Comp
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-P 7650 1750
-F 0 "C?" V 7750 1700 50  0000 L CNN
-F 1 "1nF" V 7550 1700 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7650 1750 50  0001 C CNN
-F 3 "" H 7650 1750 50  0001 C CNN
-	1    7650 1750
+P 7550 1500
+F 0 "C?" V 7650 1450 50  0000 L CNN
+F 1 "1nF" V 7450 1450 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7550 1500 50  0001 C CNN
+F 3 "" H 7550 1500 50  0001 C CNN
+	1    7550 1500
 	0    1    1    0   
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 Wire Wire Line
-	7800 1750 7750 1750
-Wire Wire Line
-	7150 900  6700 900 
-Wire Wire Line
-	6500 900  5850 900 
+	7700 1500 7650 1500
 $Comp
 L Device:C_Small C?
 U 1 1 5F9CD948
@@ -1840,4 +1750,36 @@ Wire Wire Line
 Connection ~ 10200 3200
 Wire Wire Line
 	9850 3200 9750 3200
+Wire Wire Line
+	6450 1450 6450 1500
+Wire Wire Line
+	6150 1500 6450 1500
+Connection ~ 6450 1500
+Wire Wire Line
+	6450 1500 6450 1550
+Wire Wire Line
+	6050 950  6000 950 
+Wire Wire Line
+	5800 950  5650 950 
+Wire Wire Line
+	5650 950  5650 1150
+Wire Wire Line
+	5650 1150 5550 1150
+Connection ~ 5650 1150
+Wire Wire Line
+	6500 1150 6450 1150
+Wire Wire Line
+	5600 1500 5750 1500
+Wire Wire Line
+	5950 1500 6150 1500
+Connection ~ 6150 1500
+Wire Wire Line
+	5850 1150 6050 1150
+Wire Wire Line
+	6250 1150 6450 1150
+Connection ~ 6450 1150
+Wire Notes Line
+	8200 1900 11200 1900
+Wire Notes Line
+	8200 2350 5050 2350
 $EndSCHEMATC
-- 
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