From bc29d8c3a52aaca7de1a98484cb4871cd50bbd6a Mon Sep 17 00:00:00 2001
From: Kelvin Ly <kelvin.ly1618@gmail.com>
Date: Tue, 30 Apr 2019 23:45:05 -0400
Subject: [PATCH] Picked matched NPNs for IF amplifier stages

---
 .../discrete-rf-board-cache.lib               |  28 ++
 pcb/discrete/discrete-rf-board/if_amp.bak     | 271 ++++++++++++++----
 pcb/discrete/discrete-rf-board/if_amp.sch     |  88 +++---
 pcb/discrete/discrete-rf-board/mixer.bak      |   2 +-
 .../discrete-rf-board/transmitter.bak         |   2 +-
 5 files changed, 283 insertions(+), 108 deletions(-)

diff --git a/pcb/discrete/discrete-rf-board/discrete-rf-board-cache.lib b/pcb/discrete/discrete-rf-board/discrete-rf-board-cache.lib
index 884cd65..dfbe068 100644
--- a/pcb/discrete/discrete-rf-board/discrete-rf-board-cache.lib
+++ b/pcb/discrete/discrete-rf-board/discrete-rf-board-cache.lib
@@ -84,6 +84,34 @@ X ~ 2 0 -100 20 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Device_Q_DUAL_NPN_NPN_E1B1C2E2B2C1
+#
+DEF Device_Q_DUAL_NPN_NPN_E1B1C2E2B2C1 Q 0 0 Y N 2 L N
+F0 "Q" 200 50 50 H V L CNN
+F1 "Device_Q_DUAL_NPN_NPN_E1B1C2E2B2C1" 200 -50 50 H V L CNN
+F2 "" 200 100 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SC?70*
+ SC?88*
+ SOT?363*
+$ENDFPLIST
+DRAW
+C 50 0 111 0 1 10 N
+P 2 0 1 0 25 0 -100 0 N
+P 2 0 1 0 25 25 100 100 N
+P 3 0 1 0 25 -25 100 -100 100 -100 N
+P 3 0 1 20 25 75 25 -75 25 -75 N
+P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
+X E1 1 100 -200 100 U 50 50 1 1 P
+X B1 2 -200 0 100 R 50 50 1 1 I
+X C1 6 100 200 100 D 50 50 1 1 P
+X C2 3 100 200 100 D 50 50 2 1 P
+X E2 4 100 -200 100 U 50 50 2 1 P
+X B2 5 -200 0 100 R 50 50 2 1 I
+ENDDRAW
+ENDDEF
+#
 # Device_Q_NPN_BCE
 #
 DEF Device_Q_NPN_BCE Q 0 0 Y N 1 F N
diff --git a/pcb/discrete/discrete-rf-board/if_amp.bak b/pcb/discrete/discrete-rf-board/if_amp.bak
index 50be56e..6e91ef4 100644
--- a/pcb/discrete/discrete-rf-board/if_amp.bak
+++ b/pcb/discrete/discrete-rf-board/if_amp.bak
@@ -143,7 +143,7 @@ Connection ~ 2450 3300
 Wire Wire Line
 	2450 3300 2850 3300
 Wire Wire Line
-	2450 3850 2450 4000
+	2450 3850 2450 3950
 Wire Wire Line
 	1650 2600 1650 2500
 Wire Wire Line
@@ -211,7 +211,7 @@ Wire Wire Line
 Wire Wire Line
 	2050 2150 2050 1750
 Wire Wire Line
-	2050 1750 2450 1750
+	2050 1750 2100 1750
 Wire Wire Line
 	2850 1750 2850 2150
 Wire Wire Line
@@ -374,7 +374,7 @@ Wire Wire Line
 Wire Wire Line
 	5750 2350 5750 2250
 Wire Wire Line
-	5750 2250 6150 2250
+	5750 2250 5850 2250
 Wire Wire Line
 	6150 2250 6150 2100
 Wire Wire Line
@@ -383,7 +383,7 @@ Connection ~ 6150 2250
 Wire Wire Line
 	6950 2100 6950 2200
 Wire Wire Line
-	6950 2200 7350 2200
+	6950 2200 7300 2200
 Wire Wire Line
 	7350 2200 7350 2300
 Connection ~ 6950 2200
@@ -433,10 +433,10 @@ Wire Wire Line
 	7550 2200 7350 2200
 Connection ~ 7350 2200
 Wire Wire Line
-	5600 2750 5750 2750
-Text Label 4550 2650 2    50   ~ 0
+	5350 2750 5500 2750
+Text Label 4300 2650 2    50   ~ 0
 O1-
-Text Label 8800 2550 0    50   ~ 0
+Text Label 9100 2550 0    50   ~ 0
 O1+
 Text Label 6950 1500 0    50   ~ 0
 +5V
@@ -508,31 +508,31 @@ OUT-
 $Comp
 L Device:C_Small C?
 U 1 1 5CC9409E
-P 4750 2650
-F 0 "C?" H 4760 2720 50  0000 L CNN
-F 1 "100 nF" H 4760 2570 50  0000 L CNN
-F 2 "" H 4750 2650 50  0001 C CNN
-F 3 "~" H 4750 2650 50  0001 C CNN
-	1    4750 2650
+P 4500 2650
+F 0 "C?" H 4510 2720 50  0000 L CNN
+F 1 "100 nF" H 4510 2570 50  0000 L CNN
+F 2 "" H 4500 2650 50  0001 C CNN
+F 3 "~" H 4500 2650 50  0001 C CNN
+	1    4500 2650
 	0    1    -1   0   
 $EndComp
 Wire Wire Line
-	4550 2650 4650 2650
+	4300 2650 4400 2650
 $Comp
 L Device:C_Small C?
 U 1 1 5CC959FD
-P 8450 2550
-F 0 "C?" H 8460 2620 50  0000 L CNN
-F 1 "100 nF" H 8460 2470 50  0000 L CNN
-F 2 "" H 8450 2550 50  0001 C CNN
-F 3 "~" H 8450 2550 50  0001 C CNN
-	1    8450 2550
+P 8750 2550
+F 0 "C?" H 8760 2620 50  0000 L CNN
+F 1 "100 nF" H 8760 2470 50  0000 L CNN
+F 2 "" H 8750 2550 50  0001 C CNN
+F 3 "~" H 8750 2550 50  0001 C CNN
+	1    8750 2550
 	0    -1   -1   0   
 $EndComp
 Wire Wire Line
-	8800 2550 8550 2550
+	9100 2550 8850 2550
 Wire Wire Line
-	7600 2650 7350 2650
+	7900 2650 7750 2650
 $Comp
 L discrete-parts:NLAS4157DFT2G U?
 U 1 1 5CC3C53E
@@ -572,25 +572,25 @@ $EndComp
 $Comp
 L discrete-parts:NLAS4157DFT2G U?
 U 1 1 5CC4409B
-P 7900 2650
-F 0 "U?" H 7900 3000 50  0000 C CNN
-F 1 "NLAS4157DFT2G" H 7900 2900 50  0000 C CNN
-F 2 "" H 7900 2900 50  0001 C CNN
-F 3 "" H 7900 2900 50  0001 C CNN
-F 4 "863-NLAS4157DFT2G" H 7900 2650 50  0001 C CNN "Mouser"
-	1    7900 2650
+P 8200 2650
+F 0 "U?" H 8200 3000 50  0000 C CNN
+F 1 "NLAS4157DFT2G" H 8200 2900 50  0000 C CNN
+F 2 "" H 8200 2900 50  0001 C CNN
+F 3 "" H 8200 2900 50  0001 C CNN
+F 4 "863-NLAS4157DFT2G" H 8200 2650 50  0001 C CNN "Mouser"
+	1    8200 2650
 	1    0    0    -1  
 $EndComp
 $Comp
 L discrete-parts:NLAS4157DFT2G U?
 U 1 1 5CC46970
-P 5300 2750
-F 0 "U?" H 5300 3100 50  0000 C CNN
-F 1 "NLAS4157DFT2G" H 5300 3000 50  0000 C CNN
-F 2 "" H 5300 3000 50  0001 C CNN
-F 3 "" H 5300 3000 50  0001 C CNN
-F 4 "863-NLAS4157DFT2G" H 5300 2750 50  0001 C CNN "Mouser"
-	1    5300 2750
+P 5050 2750
+F 0 "U?" H 5050 3100 50  0000 C CNN
+F 1 "NLAS4157DFT2G" H 5050 3000 50  0000 C CNN
+F 2 "" H 5050 3000 50  0001 C CNN
+F 3 "" H 5050 3000 50  0001 C CNN
+F 4 "863-NLAS4157DFT2G" H 5050 2750 50  0001 C CNN "Mouser"
+	1    5050 2750
 	-1   0    0    -1  
 $EndComp
 $Comp
@@ -630,47 +630,47 @@ F 4 "863-NLAS4157DFT2G" H 5350 6600 50  0001 C CNN "Mouser"
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4850 2650 5000 2650
+	4600 2650 4750 2650
 Text Label 3450 2900 0    50   ~ 0
 I-
 Text Label 1600 3000 2    50   ~ 0
 I+
-Text Label 4550 2850 2    50   ~ 0
+Text Label 4300 2850 2    50   ~ 0
 I-
 $Comp
 L Device:C_Small C?
 U 1 1 5CC5931A
-P 4800 2850
-F 0 "C?" H 4810 2920 50  0000 L CNN
-F 1 "100 nF" H 4810 2770 50  0000 L CNN
-F 2 "" H 4800 2850 50  0001 C CNN
-F 3 "~" H 4800 2850 50  0001 C CNN
-	1    4800 2850
+P 4550 2850
+F 0 "C?" H 4560 2920 50  0000 L CNN
+F 1 "100 nF" H 4560 2770 50  0000 L CNN
+F 2 "" H 4550 2850 50  0001 C CNN
+F 3 "~" H 4550 2850 50  0001 C CNN
+	1    4550 2850
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	4900 2850 5000 2850
+	4650 2850 4750 2850
 Wire Wire Line
-	4700 2850 4550 2850
+	4450 2850 4300 2850
 Wire Wire Line
-	8200 2550 8350 2550
-Text Label 8800 2750 0    50   ~ 0
+	8500 2550 8650 2550
+Text Label 9100 2750 0    50   ~ 0
 I+
 $Comp
 L Device:C_Small C?
 U 1 1 5CC646BF
-P 8550 2750
-F 0 "C?" H 8560 2820 50  0000 L CNN
-F 1 "100 nF" H 8560 2670 50  0000 L CNN
-F 2 "" H 8550 2750 50  0001 C CNN
-F 3 "~" H 8550 2750 50  0001 C CNN
-	1    8550 2750
+P 8850 2750
+F 0 "C?" H 8860 2820 50  0000 L CNN
+F 1 "100 nF" H 8860 2670 50  0000 L CNN
+F 2 "" H 8850 2750 50  0001 C CNN
+F 3 "~" H 8850 2750 50  0001 C CNN
+	1    8850 2750
 	0    -1   1    0   
 $EndComp
 Wire Wire Line
-	8650 2750 8800 2750
+	8950 2750 9100 2750
 Wire Wire Line
-	8450 2750 8200 2750
+	8750 2750 8500 2750
 Wire Wire Line
 	10200 4450 10000 4450
 Wire Wire Line
@@ -699,18 +699,18 @@ Text Label 9250 4350 2    50   ~ 0
 I2-
 Wire Wire Line
 	9250 4350 9400 4350
-Text HLabel 5150 3300 0    50   Input ~ 0
+Text HLabel 4900 3300 0    50   Input ~ 0
 BYPASS1
 Wire Wire Line
-	5150 3300 5300 3300
+	4900 3300 5050 3300
 Wire Wire Line
-	5300 3300 5300 3050
-Text Label 5300 3300 0    50   ~ 0
+	5050 3300 5050 3050
+Text Label 5050 3300 0    50   ~ 0
 BYPASS1
-Text Label 7900 3250 0    50   ~ 0
+Text Label 8200 3250 0    50   ~ 0
 BYPASS1
 Wire Wire Line
-	7900 3250 7900 2950
+	8200 3250 8200 2950
 Text HLabel 9500 4050 0    50   Input ~ 0
 BYPASS2
 Wire Wire Line
@@ -929,4 +929,151 @@ Wire Wire Line
 Connection ~ 3050 5500
 Wire Wire Line
 	3050 5500 3550 5500
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCEE151
+P 5850 2150
+F 0 "TP?" H 5850 2420 50  0000 C CNN
+F 1 "TestPoint" H 5850 2350 50  0000 C CNN
+F 2 "" H 6050 2150 50  0001 C CNN
+F 3 "~" H 6050 2150 50  0001 C CNN
+	1    5850 2150
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCEEC53
+P 7300 2100
+F 0 "TP?" H 7300 2370 50  0000 C CNN
+F 1 "TestPoint" H 7300 2300 50  0000 C CNN
+F 2 "" H 7500 2100 50  0001 C CNN
+F 3 "~" H 7500 2100 50  0001 C CNN
+	1    7300 2100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCEF073
+P 6550 3350
+F 0 "TP?" H 6550 3620 50  0000 C CNN
+F 1 "TestPoint" H 6550 3550 50  0000 C CNN
+F 2 "" H 6750 3350 50  0001 C CNN
+F 3 "~" H 6750 3350 50  0001 C CNN
+	1    6550 3350
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCEF9C3
+P 2050 3300
+F 0 "TP?" H 2050 3570 50  0000 C CNN
+F 1 "TestPoint" H 2050 3500 50  0000 C CNN
+F 2 "" H 2250 3300 50  0001 C CNN
+F 3 "~" H 2250 3300 50  0001 C CNN
+	1    2050 3300
+	-1   0    0    1   
+$EndComp
+Connection ~ 2050 3300
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCF05BD
+P 1650 2400
+F 0 "TP?" H 1650 2670 50  0000 C CNN
+F 1 "TestPoint" H 1650 2600 50  0000 C CNN
+F 2 "" H 1850 2400 50  0001 C CNN
+F 3 "~" H 1850 2400 50  0001 C CNN
+	1    1650 2400
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCF0F27
+P 3250 2350
+F 0 "TP?" H 3250 2620 50  0000 C CNN
+F 1 "TestPoint" H 3250 2550 50  0000 C CNN
+F 2 "" H 3450 2350 50  0001 C CNN
+F 3 "~" H 3450 2350 50  0001 C CNN
+	1    3250 2350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3250 2350 3250 2450
+Wire Wire Line
+	1650 2400 1650 2500
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCF9A96
+P 2350 3950
+F 0 "TP?" H 2350 4220 50  0000 C CNN
+F 1 "TestPoint" H 2350 4150 50  0000 C CNN
+F 2 "" H 2550 3950 50  0001 C CNN
+F 3 "~" H 2550 3950 50  0001 C CNN
+	1    2350 3950
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	2350 3950 2450 3950
+Connection ~ 2450 3950
+Wire Wire Line
+	2450 3950 2450 4000
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CCFE98E
+P 2100 1650
+F 0 "TP?" H 2100 1920 50  0000 C CNN
+F 1 "TestPoint" H 2100 1850 50  0000 C CNN
+F 2 "" H 2300 1650 50  0001 C CNN
+F 3 "~" H 2300 1650 50  0001 C CNN
+	1    2100 1650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2100 1650 2100 1750
+Connection ~ 2100 1750
+Wire Wire Line
+	2100 1750 2450 1750
+Wire Wire Line
+	5850 2150 5850 2250
+Connection ~ 5850 2250
+Wire Wire Line
+	5850 2250 6150 2250
+Wire Wire Line
+	7300 2100 7300 2200
+Connection ~ 7300 2200
+Wire Wire Line
+	7300 2200 7350 2200
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CD0C7EE
+P 5500 2900
+F 0 "TP?" H 5500 3170 50  0000 C CNN
+F 1 "TestPoint" H 5500 3100 50  0000 C CNN
+F 2 "" H 5700 2900 50  0001 C CNN
+F 3 "~" H 5700 2900 50  0001 C CNN
+	1    5500 2900
+	-1   0    0    1   
+$EndComp
+$Comp
+L Connector:TestPoint TP?
+U 1 1 5CD0DAA4
+P 7750 2850
+F 0 "TP?" H 7750 3120 50  0000 C CNN
+F 1 "TestPoint" H 7750 3050 50  0000 C CNN
+F 2 "" H 7950 2850 50  0001 C CNN
+F 3 "~" H 7950 2850 50  0001 C CNN
+	1    7750 2850
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	7750 2850 7750 2650
+Connection ~ 7750 2650
+Wire Wire Line
+	7750 2650 7350 2650
+Wire Wire Line
+	5500 2900 5500 2750
+Connection ~ 5500 2750
+Wire Wire Line
+	5500 2750 5750 2750
+Wire Wire Line
+	6550 3350 6550 3450
 $EndSCHEMATC
diff --git a/pcb/discrete/discrete-rf-board/if_amp.sch b/pcb/discrete/discrete-rf-board/if_amp.sch
index 6e91ef4..4246071 100644
--- a/pcb/discrete/discrete-rf-board/if_amp.sch
+++ b/pcb/discrete/discrete-rf-board/if_amp.sch
@@ -15,28 +15,6 @@ Comment3 ""
 Comment4 ""
 $EndDescr
 $Comp
-L Device:Q_NPN_BCE Q?
-U 1 1 5CC4E7E9
-P 1950 3000
-F 0 "Q?" H 2150 3050 50  0000 L CNN
-F 1 "Q_NPN_BCE" H 2150 2950 50  0000 L CNN
-F 2 "" H 2150 3100 50  0001 C CNN
-F 3 "~" H 1950 3000 50  0001 C CNN
-	1    1950 3000
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:Q_NPN_BCE Q?
-U 1 1 5CC4EAD4
-P 2950 2900
-F 0 "Q?" H 3150 2950 50  0000 L CNN
-F 1 "Q_NPN_BCE" H 3150 2850 50  0000 L CNN
-F 2 "" H 3150 3000 50  0001 C CNN
-F 3 "~" H 2950 2900 50  0001 C CNN
-	1    2950 2900
-	-1   0    0    -1  
-$EndComp
-$Comp
 L Device:R_Small R?
 U 1 1 5CC4F475
 P 2050 2250
@@ -270,28 +248,6 @@ Wire Wire Line
 Wire Wire Line
 	1300 4000 1300 4150
 $Comp
-L Device:Q_NPN_BCE Q?
-U 1 1 5CC71002
-P 6050 2750
-F 0 "Q?" H 6250 2800 50  0000 L CNN
-F 1 "Q_NPN_BCE" H 6250 2700 50  0000 L CNN
-F 2 "" H 6250 2850 50  0001 C CNN
-F 3 "~" H 6050 2750 50  0001 C CNN
-	1    6050 2750
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:Q_NPN_BCE Q?
-U 1 1 5CC71008
-P 7050 2650
-F 0 "Q?" H 7250 2700 50  0000 L CNN
-F 1 "Q_NPN_BCE" H 7250 2600 50  0000 L CNN
-F 2 "" H 7250 2750 50  0001 C CNN
-F 3 "~" H 7050 2650 50  0001 C CNN
-	1    7050 2650
-	-1   0    0    -1  
-$EndComp
-$Comp
 L Device:R_Small R?
 U 1 1 5CC7100E
 P 6150 2000
@@ -1076,4 +1032,48 @@ Wire Wire Line
 	5500 2750 5750 2750
 Wire Wire Line
 	6550 3350 6550 3450
+$Comp
+L Device:Q_DUAL_NPN_NPN_E1B1C2E2B2C1 Q?
+U 1 1 5CC8B3B3
+P 1950 3000
+F 0 "Q?" H 2150 3050 50  0000 L CNN
+F 1 "NSVT65011MW6T1G" H 2150 2950 50  0000 L CNN
+F 2 "" H 2150 3100 50  0001 C CNN
+F 3 "~" H 1950 3000 50  0001 C CNN
+	1    1950 3000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Q_DUAL_NPN_NPN_E1B1C2E2B2C1 Q?
+U 2 1 5CC8BBB5
+P 2950 2900
+F 0 "Q?" H 3150 2950 50  0000 L CNN
+F 1 "NSVT65011MW6T1G" H 3150 2850 50  0000 L CNN
+F 2 "" H 3150 3000 50  0001 C CNN
+F 3 "~" H 2950 2900 50  0001 C CNN
+	2    2950 2900
+	-1   0    0    -1  
+$EndComp
+$Comp
+L Device:Q_DUAL_NPN_NPN_E1B1C2E2B2C1 Q?
+U 1 1 5CC8C47F
+P 6050 2750
+F 0 "Q?" H 6250 2800 50  0000 L CNN
+F 1 "NSVT65011MW6T1G" H 6250 2700 50  0000 L CNN
+F 2 "" H 6250 2850 50  0001 C CNN
+F 3 "~" H 6050 2750 50  0001 C CNN
+	1    6050 2750
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Q_DUAL_NPN_NPN_E1B1C2E2B2C1 Q?
+U 2 1 5CC8CC50
+P 7050 2650
+F 0 "Q?" H 7250 2700 50  0000 L CNN
+F 1 "NSVT65011MW6T1G" H 7250 2600 50  0000 L CNN
+F 2 "" H 7250 2750 50  0001 C CNN
+F 3 "~" H 7050 2650 50  0001 C CNN
+	2    7050 2650
+	-1   0    0    -1  
+$EndComp
 $EndSCHEMATC
diff --git a/pcb/discrete/discrete-rf-board/mixer.bak b/pcb/discrete/discrete-rf-board/mixer.bak
index 57e0b73..a4cebcf 100644
--- a/pcb/discrete/discrete-rf-board/mixer.bak
+++ b/pcb/discrete/discrete-rf-board/mixer.bak
@@ -4,7 +4,7 @@ EELAYER 29 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 6 9
+Sheet 7 9
 Title ""
 Date ""
 Rev ""
diff --git a/pcb/discrete/discrete-rf-board/transmitter.bak b/pcb/discrete/discrete-rf-board/transmitter.bak
index a324537..ebc82e2 100644
--- a/pcb/discrete/discrete-rf-board/transmitter.bak
+++ b/pcb/discrete/discrete-rf-board/transmitter.bak
@@ -4,7 +4,7 @@ EELAYER 29 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 5 9
+Sheet 6 9
 Title ""
 Date ""
 Rev ""