From 25748b32e4f800731204340074f1ef5cf69677a9 Mon Sep 17 00:00:00 2001 From: Marshal Horn Date: Fri, 14 Aug 2020 22:34:40 -0700 Subject: [PATCH] Fixed filter values I had accidentally computed them in Hz, not radians/second --- mcu.sch | 28 ++--- synthesis.sch | 286 +++++++++++++++++++++++++++++--------------------- 2 files changed, 178 insertions(+), 136 deletions(-) diff --git a/mcu.sch b/mcu.sch index 4ccd817..890d783 100644 --- a/mcu.sch +++ b/mcu.sch @@ -29,7 +29,7 @@ L Device:C C23 U 1 1 5EE106FC P 5100 1950 F 0 "C23" V 4848 1950 50 0000 C CNN -F 1 "22u" V 4939 1950 50 0000 C CNN +F 1 "1u" V 4939 1950 50 0000 C CNN F 2 "Capacitors_SMD:C_0805" H 5138 1800 50 0001 C CNN F 3 "~" H 5100 1950 50 0001 C CNN 1 5100 1950 @@ -40,7 +40,7 @@ L Device:R_US R15 U 1 1 5EE120D7 P 6450 1350 F 0 "R15" H 6382 1304 50 0000 R CNN -F 1 "22k" H 6382 1395 50 0000 R CNN +F 1 "10k" H 6382 1395 50 0000 R CNN F 2 "Resistors_SMD:R_0805" V 6490 1340 50 0001 C CNN F 3 "~" H 6450 1350 50 0001 C CNN 1 6450 1350 @@ -51,7 +51,7 @@ L Device:R_US R16 U 1 1 5EE123BC P 6450 2250 F 0 "R16" H 6382 2204 50 0000 R CNN -F 1 "22k" H 6382 2295 50 0000 R CNN +F 1 "10k" H 6382 2295 50 0000 R CNN F 2 "Resistors_SMD:R_0805" V 6490 2240 50 0001 C CNN F 3 "~" H 6450 2250 50 0001 C CNN 1 6450 2250 @@ -62,7 +62,7 @@ L Device:R_US R14 U 1 1 5EE12A51 P 5500 2250 F 0 "R14" H 5432 2204 50 0000 R CNN -F 1 "22k" H 5432 2295 50 0000 R CNN +F 1 "10k" H 5432 2295 50 0000 R CNN F 2 "Resistors_SMD:R_0805" V 5540 2240 50 0001 C CNN F 3 "~" H 5500 2250 50 0001 C CNN 1 5500 2250 @@ -73,7 +73,7 @@ L Device:R_US R13 U 1 1 5EE135FF P 5500 1350 F 0 "R13" H 5432 1304 50 0000 R CNN -F 1 "22k" H 5432 1395 50 0000 R CNN +F 1 "10k" H 5432 1395 50 0000 R CNN F 2 "Resistors_SMD:R_0805" V 5540 1340 50 0001 C CNN F 3 "~" H 5500 1350 50 0001 C CNN 1 5500 1350 @@ -84,7 +84,7 @@ L Device:C C24 U 1 1 5EE1B392 P 5100 1550 F 0 "C24" V 4848 1550 50 0000 C CNN -F 1 "22u" V 4939 1550 50 0000 C CNN +F 1 "1u" V 4939 1550 50 0000 C CNN F 2 "Capacitors_SMD:C_0805" H 5138 1400 50 0001 C CNN F 3 "~" H 5100 1550 50 0001 C CNN 1 5100 1550 @@ -540,7 +540,7 @@ L Device:C C9 U 1 1 5F39EF4E P 8850 5350 F 0 "C9" H 8965 5396 50 0000 L CNN -F 1 "1u" H 8965 5305 50 0000 L CNN +F 1 "150n" H 8965 5305 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 8888 5200 50 0001 C CNN F 3 "~" H 8850 5350 50 0001 C CNN 1 8850 5350 @@ -551,7 +551,7 @@ L Device:C C14 U 1 1 5F39F89D P 9650 5350 F 0 "C14" H 9765 5396 50 0000 L CNN -F 1 "1u" H 9765 5305 50 0000 L CNN +F 1 "150n" H 9765 5305 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 9688 5200 50 0001 C CNN F 3 "~" H 9650 5350 50 0001 C CNN 1 9650 5350 @@ -586,7 +586,7 @@ L Device:CP1_Small C8 U 1 1 5F4201B8 P 8850 4900 F 0 "C8" H 8759 4854 50 0000 R CNN -F 1 "220u" H 8759 4945 50 0000 R CNN +F 1 "15u" H 8759 4945 50 0000 R CNN F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-R_EIA-2012-12_Reflow" H 8850 4900 50 0001 C CNN F 3 "~" H 8850 4900 50 0001 C CNN 1 8850 4900 @@ -607,7 +607,7 @@ L Device:CP1_Small C13 U 1 1 5F420AC5 P 9650 4950 F 0 "C13" H 9559 4904 50 0000 R CNN -F 1 "220u" H 9559 4995 50 0000 R CNN +F 1 "15u" H 9559 4995 50 0000 R CNN F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-R_EIA-2012-12_Reflow" H 9650 4950 50 0001 C CNN F 3 "~" H 9650 4950 50 0001 C CNN 1 9650 4950 @@ -621,7 +621,7 @@ L Device:L L6 U 1 1 5F3CA3E3 P 9500 5200 F 0 "L6" H 9457 5154 50 0000 R CNN -F 1 "47mH" H 9457 5245 50 0000 R CNN +F 1 "6.8mH" H 9457 5245 50 0000 R CNN F 2 "Inductors_SMD:L_0805" H 9500 5200 50 0001 C CNN F 3 "~" H 9500 5200 50 0001 C CNN 1 9500 5200 @@ -633,7 +633,7 @@ L Device:L L5 U 1 1 5F3C9A87 P 8700 5200 F 0 "L5" H 8657 5154 50 0000 R CNN -F 1 "47mH" H 8657 5245 50 0000 R CNN +F 1 "6.8mH" H 8657 5245 50 0000 R CNN F 2 "Inductors_SMD:L_0805" H 8700 5200 50 0001 C CNN F 3 "~" H 8700 5200 50 0001 C CNN 1 8700 5200 @@ -877,8 +877,8 @@ Text Label 5950 1950 0 50 ~ 0 RX_Q_SAFE Text Label 5550 1550 0 50 ~ 0 RX_I_SAFE -Text Notes 4800 2300 0 50 ~ 0 -High-pass filter\nTuned to 50 Hz +Text Notes 4600 2300 0 50 ~ 0 +High-pass filter\nTuned to 25-ish Hz Wire Wire Line 9000 3500 9200 3500 Wire Wire Line diff --git a/synthesis.sch b/synthesis.sch index 622d4e1..a90f8f4 100644 --- a/synthesis.sch +++ b/synthesis.sch @@ -44,27 +44,27 @@ $EndComp $Comp L Amplifier_Operational:LM4562 U? U 1 1 5F327310 -P 7550 5100 +P 7800 5100 AR Path="/5ED6119E/5F327310" Ref="U?" Part="1" AR Path="/5F5D026F/5F327310" Ref="U7" Part="1" -F 0 "U7" H 7550 5467 50 0000 C CNN -F 1 "74ACT00" H 7550 5376 50 0000 C CNN -F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 7550 5100 50 0001 C CNN -F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7550 5100 50 0001 C CNN - 1 7550 5100 +F 0 "U7" H 7800 5467 50 0000 C CNN +F 1 "74ACT00" H 7800 5376 50 0000 C CNN +F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 7800 5100 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7800 5100 50 0001 C CNN + 1 7800 5100 1 0 0 -1 $EndComp $Comp L Amplifier_Operational:LM4562 U? U 2 1 5F327316 -P 9800 4750 +P 10050 4750 AR Path="/5ED6119E/5F327316" Ref="U?" Part="2" AR Path="/5F5D026F/5F327316" Ref="U7" Part="2" -F 0 "U7" H 9800 5117 50 0000 C CNN -F 1 "74ACT00" H 9800 5026 50 0000 C CNN -F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 9800 4750 50 0001 C CNN -F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 9800 4750 50 0001 C CNN - 2 9800 4750 +F 0 "U7" H 10050 5117 50 0000 C CNN +F 1 "74ACT00" H 10050 5026 50 0000 C CNN +F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 10050 4750 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 10050 4750 50 0001 C CNN + 2 10050 4750 1 0 0 1 $EndComp $Comp @@ -163,25 +163,12 @@ Text Label 5850 3950 0 50 ~ 0 CLK1 $Comp L Device:R_US R? -U 1 1 5F327382 -P 6950 5000 -AR Path="/5ED6119E/5F327382" Ref="R?" Part="1" -AR Path="/5F5D026F/5F327382" Ref="R20" Part="1" -F 0 "R20" V 6745 5000 50 0000 C CNN -F 1 "100" V 6836 5000 50 0000 C CNN -F 2 "Resistors_SMD:R_0805" V 6990 4990 50 0001 C CNN -F 3 "~" H 6950 5000 50 0001 C CNN - 1 6950 5000 - 0 1 1 0 -$EndComp -$Comp -L Device:R_US R? U 1 1 5F327388 P 6950 5300 AR Path="/5ED6119E/5F327388" Ref="R?" Part="1" AR Path="/5F5D026F/5F327388" Ref="R21" Part="1" F 0 "R21" V 6745 5300 50 0000 C CNN -F 1 "100" V 6836 5300 50 0000 C CNN +F 1 "1k" V 6836 5300 50 0000 C CNN F 2 "Resistors_SMD:R_0805" V 6990 5290 50 0001 C CNN F 3 "~" H 6950 5300 50 0001 C CNN 1 6950 5300 @@ -189,146 +176,122 @@ F 3 "~" H 6950 5300 50 0001 C CNN $EndComp $Comp L Device:R_US R? -U 1 1 5F32738E -P 9250 4950 -AR Path="/5ED6119E/5F32738E" Ref="R?" Part="1" -AR Path="/5F5D026F/5F32738E" Ref="R37" Part="1" -F 0 "R37" V 9045 4950 50 0000 C CNN -F 1 "100" V 9136 4950 50 0000 C CNN -F 2 "Resistors_SMD:R_0805" V 9290 4940 50 0001 C CNN -F 3 "~" H 9250 4950 50 0001 C CNN - 1 9250 4950 - 0 1 1 0 -$EndComp -$Comp -L Device:R_US R? U 1 1 5F327394 P 9250 4650 AR Path="/5ED6119E/5F327394" Ref="R?" Part="1" AR Path="/5F5D026F/5F327394" Ref="R36" Part="1" F 0 "R36" V 9045 4650 50 0000 C CNN -F 1 "100" V 9136 4650 50 0000 C CNN +F 1 "1k" V 9136 4650 50 0000 C CNN F 2 "Resistors_SMD:R_0805" V 9290 4640 50 0001 C CNN F 3 "~" H 9250 4650 50 0001 C CNN 1 9250 4650 0 1 1 0 $EndComp Wire Wire Line - 9400 4650 9450 4650 + 9750 4850 9650 4850 Wire Wire Line - 9500 4850 9400 4850 -Wire Wire Line - 9400 4850 9400 4950 -Wire Wire Line - 7250 5000 7100 5000 -Wire Wire Line - 7250 5200 7100 5200 -Wire Wire Line - 7100 5200 7100 5300 + 7500 5200 7350 5200 $Comp L Device:R_US R? U 1 1 5F3273A0 -P 7450 5550 +P 7700 5550 AR Path="/5ED6119E/5F3273A0" Ref="R?" Part="1" AR Path="/5F5D026F/5F3273A0" Ref="R24" Part="1" -F 0 "R24" V 7245 5550 50 0000 C CNN -F 1 "82k" V 7336 5550 50 0000 C CNN -F 2 "Resistors_SMD:R_0805" V 7490 5540 50 0001 C CNN -F 3 "~" H 7450 5550 50 0001 C CNN - 1 7450 5550 +F 0 "R24" V 7495 5550 50 0000 C CNN +F 1 "82k" V 7586 5550 50 0000 C CNN +F 2 "Resistors_SMD:R_0805" V 7740 5540 50 0001 C CNN +F 3 "~" H 7700 5550 50 0001 C CNN + 1 7700 5550 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 5F3273A6 -P 7700 5650 +P 7950 5650 AR Path="/5ED6119E/5F3273A6" Ref="C?" Part="1" AR Path="/5F5D026F/5F3273A6" Ref="C28" Part="1" -F 0 "C28" V 7448 5650 50 0000 C CNN -F 1 "1n" V 7539 5650 50 0000 C CNN -F 2 "Capacitors_SMD:C_0805" H 7738 5500 50 0001 C CNN -F 3 "~" H 7700 5650 50 0001 C CNN - 1 7700 5650 +F 0 "C28" V 7698 5650 50 0000 C CNN +F 1 "470p" V 7789 5650 50 0000 C CNN +F 2 "Capacitors_SMD:C_0805" H 7988 5500 50 0001 C CNN +F 3 "~" H 7950 5650 50 0001 C CNN + 1 7950 5650 0 1 1 0 $EndComp Wire Wire Line - 7100 5300 7100 5550 -Connection ~ 7100 5300 + 7800 5650 7350 5650 Wire Wire Line - 7550 5650 7100 5650 + 7350 5650 7350 5550 +Connection ~ 7350 5550 Wire Wire Line - 7100 5650 7100 5550 -Connection ~ 7100 5550 + 7350 5550 7550 5550 Wire Wire Line - 7100 5550 7300 5550 + 7850 5550 8200 5550 Wire Wire Line - 7600 5550 7950 5550 + 8200 5550 8200 5100 Wire Wire Line - 7950 5550 7950 5100 + 8200 5100 8100 5100 Wire Wire Line - 7950 5100 7850 5100 + 8100 5650 8200 5650 Wire Wire Line - 7850 5650 7950 5650 -Wire Wire Line - 7950 5650 7950 5550 -Connection ~ 7950 5550 + 8200 5650 8200 5550 +Connection ~ 8200 5550 $Comp L Device:C C? U 1 1 5F3273B8 -P 9900 4450 +P 10150 4450 AR Path="/5ED6119E/5F3273B8" Ref="C?" Part="1" AR Path="/5F5D026F/5F3273B8" Ref="C34" Part="1" -F 0 "C34" V 9648 4450 50 0000 C CNN -F 1 "1n" V 9739 4450 50 0000 C CNN -F 2 "Capacitors_SMD:C_0805" H 9938 4300 50 0001 C CNN -F 3 "~" H 9900 4450 50 0001 C CNN - 1 9900 4450 +F 0 "C34" V 9898 4450 50 0000 C CNN +F 1 "470p" V 9989 4450 50 0000 C CNN +F 2 "Capacitors_SMD:C_0805" H 10188 4300 50 0001 C CNN +F 3 "~" H 10150 4450 50 0001 C CNN + 1 10150 4450 0 1 1 0 $EndComp $Comp L Device:R_US R? U 1 1 5F3273BE -P 9650 4350 +P 9900 4350 AR Path="/5ED6119E/5F3273BE" Ref="R?" Part="1" AR Path="/5F5D026F/5F3273BE" Ref="R38" Part="1" -F 0 "R38" V 9445 4350 50 0000 C CNN -F 1 "82k" V 9536 4350 50 0000 C CNN -F 2 "Resistors_SMD:R_0805" V 9690 4340 50 0001 C CNN -F 3 "~" H 9650 4350 50 0001 C CNN - 1 9650 4350 +F 0 "R38" V 9695 4350 50 0000 C CNN +F 1 "82k" V 9786 4350 50 0000 C CNN +F 2 "Resistors_SMD:R_0805" V 9940 4340 50 0001 C CNN +F 3 "~" H 9900 4350 50 0001 C CNN + 1 9900 4350 0 1 1 0 $EndComp Wire Wire Line - 9500 4350 9450 4350 + 9750 4350 9700 4350 Wire Wire Line - 9450 4350 9450 4450 -Connection ~ 9450 4650 + 9700 4350 9700 4450 +Connection ~ 9700 4650 Wire Wire Line - 9450 4650 9500 4650 + 9700 4650 9750 4650 Wire Wire Line - 9750 4450 9450 4450 -Connection ~ 9450 4450 + 10000 4450 9700 4450 +Connection ~ 9700 4450 Wire Wire Line - 9450 4450 9450 4650 + 9700 4450 9700 4650 Wire Wire Line - 10050 4450 10250 4450 + 10300 4450 10500 4450 Wire Wire Line - 10250 4750 10100 4750 + 10500 4750 10350 4750 Wire Wire Line - 9800 4350 10250 4350 + 10050 4350 10500 4350 Wire Wire Line - 10250 4350 10250 4450 -Connection ~ 10250 4450 + 10500 4350 10500 4450 +Connection ~ 10500 4450 Wire Wire Line - 8050 5100 7950 5100 -Connection ~ 7950 5100 + 8300 5100 8200 5100 +Connection ~ 8200 5100 Wire Wire Line - 10250 4450 10250 4600 + 10500 4450 10500 4600 Wire Wire Line - 10350 4600 10250 4600 -Connection ~ 10250 4600 + 10600 4600 10500 4600 +Connection ~ 10500 4600 Wire Wire Line - 10250 4600 10250 4750 + 10500 4600 10500 4750 $Comp L Device:C C? U 1 1 5F327410 @@ -336,11 +299,11 @@ P 6700 5500 AR Path="/5ED6119E/5F327410" Ref="C?" Part="1" AR Path="/5F5D026F/5F327410" Ref="C21" Part="1" F 0 "C21" H 6585 5454 50 0000 R CNN -F 1 "47u" H 6585 5545 50 0000 R CNN +F 1 "22p" H 6585 5545 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 6738 5350 50 0001 C CNN F 3 "~" H 6700 5500 50 0001 C CNN 1 6700 5500 - -1 0 0 1 + -1 0 0 -1 $EndComp $Comp L Device:C C? @@ -349,7 +312,7 @@ P 6450 5700 AR Path="/5ED6119E/5F327416" Ref="C?" Part="1" AR Path="/5F5D026F/5F327416" Ref="C20" Part="1" F 0 "C20" H 6335 5654 50 0000 R CNN -F 1 "47u" H 6335 5745 50 0000 R CNN +F 1 "22p" H 6335 5745 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 6488 5550 50 0001 C CNN F 3 "~" H 6450 5700 50 0001 C CNN 1 6450 5700 @@ -362,7 +325,7 @@ P 9000 5150 AR Path="/5ED6119E/5F32741E" Ref="C?" Part="1" AR Path="/5F5D026F/5F32741E" Ref="C32" Part="1" F 0 "C32" H 8885 5104 50 0000 R CNN -F 1 "47u" H 8885 5195 50 0000 R CNN +F 1 "22p" H 8885 5195 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 9038 5000 50 0001 C CNN F 3 "~" H 9000 5150 50 0001 C CNN 1 9000 5150 @@ -375,14 +338,12 @@ P 8750 5300 AR Path="/5ED6119E/5F327424" Ref="C?" Part="1" AR Path="/5F5D026F/5F327424" Ref="C30" Part="1" F 0 "C30" H 8635 5254 50 0000 R CNN -F 1 "47u" H 8635 5345 50 0000 R CNN +F 1 "22p" H 8635 5345 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 8788 5150 50 0001 C CNN F 3 "~" H 8750 5300 50 0001 C CNN 1 8750 5300 -1 0 0 1 $EndComp -Wire Wire Line - 9100 4950 9000 4950 Wire Wire Line 9000 4950 9000 5000 Wire Wire Line @@ -393,8 +354,6 @@ Wire Wire Line 6800 5300 6700 5300 Wire Wire Line 6700 5300 6700 5350 -Wire Wire Line - 6800 5000 6450 5000 Wire Wire Line 6450 5000 6450 5550 Wire Wire Line @@ -692,7 +651,7 @@ P 7400 4250 AR Path="/5ED6119E/5F3A6463" Ref="C?" Part="1" AR Path="/5F5D026F/5F3A6463" Ref="C27" Part="1" F 0 "C27" H 7285 4204 50 0000 R CNN -F 1 "220n" H 7285 4295 50 0000 R CNN +F 1 "33n" H 7285 4295 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 7438 4100 50 0001 C CNN F 3 "~" H 7400 4250 50 0001 C CNN 1 7400 4250 @@ -737,7 +696,7 @@ P 7000 4250 AR Path="/5ED6119E/5F48F0AC" Ref="C?" Part="1" AR Path="/5F5D026F/5F48F0AC" Ref="C25" Part="1" F 0 "C25" H 6885 4204 50 0000 R CNN -F 1 "220n" H 6885 4295 50 0000 R CNN +F 1 "33n" H 6885 4295 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 7038 4100 50 0001 C CNN F 3 "~" H 7000 4250 50 0001 C CNN 1 7000 4250 @@ -795,7 +754,7 @@ P 7350 3300 AR Path="/5ED6119E/5F4A83A5" Ref="C?" Part="1" AR Path="/5F5D026F/5F4A83A5" Ref="C26" Part="1" F 0 "C26" H 7235 3254 50 0000 R CNN -F 1 "220n" H 7235 3345 50 0000 R CNN +F 1 "33n" H 7235 3345 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 7388 3150 50 0001 C CNN F 3 "~" H 7350 3300 50 0001 C CNN 1 7350 3300 @@ -840,7 +799,7 @@ P 6950 3300 AR Path="/5ED6119E/5F4A83C6" Ref="C?" Part="1" AR Path="/5F5D026F/5F4A83C6" Ref="C22" Part="1" F 0 "C22" H 6835 3254 50 0000 R CNN -F 1 "220n" H 6835 3345 50 0000 R CNN +F 1 "33n" H 6835 3345 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 6988 3150 50 0001 C CNN F 3 "~" H 6950 3300 50 0001 C CNN 1 6950 3300 @@ -934,7 +893,7 @@ P 4700 3650 AR Path="/5ED6119E/5F5156C5" Ref="C?" Part="1" AR Path="/5F5D026F/5F5156C5" Ref="C15" Part="1" F 0 "C15" H 4585 3604 50 0000 R CNN -F 1 "150p" H 4585 3695 50 0000 R CNN +F 1 "22p" H 4585 3695 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 4738 3500 50 0001 C CNN F 3 "~" H 4700 3650 50 0001 C CNN 1 4700 3650 @@ -1072,7 +1031,7 @@ AR Path="/5ED6119E/5F6544C0" Ref="C?" Part="1" AR Path="/5F5D026F/5F6544C0" Ref="C48" Part="1" AR Path="/5F6544C0" Ref="C?" Part="1" F 0 "C48" H 1985 3004 50 0000 R CNN -F 1 "10n" H 1985 3095 50 0000 R CNN +F 1 "3.3n" H 1985 3095 50 0000 R CNN F 2 "Capacitors_SMD:C_0805" H 2138 2900 50 0001 C CNN F 3 "~" H 2100 3050 50 0001 C CNN 1 2100 3050 @@ -1233,9 +1192,9 @@ Text HLabel 8600 3000 2 50 Input ~ 0 TX_I Wire Wire Line 8600 3000 8450 3000 -Text HLabel 10350 4600 2 50 Output ~ 0 +Text HLabel 10600 4600 2 50 Output ~ 0 RX_I -Text HLabel 8050 5100 2 50 Output ~ 0 +Text HLabel 8300 5100 2 50 Output ~ 0 RX_Q Text HLabel 2600 2800 2 50 Input ~ 0 TX_BIAS @@ -1317,4 +1276,87 @@ F 3 "" H 8850 2250 50 0001 C CNN 1 0 0 -1 $EndComp Connection ~ 8850 2250 +Wire Wire Line + 6450 5000 6800 5000 +Wire Wire Line + 9000 4950 9100 4950 +$Comp +L Device:R_US R? +U 1 1 5F581E67 +P 6950 5000 +AR Path="/5ED6119E/5F581E67" Ref="R?" Part="1" +AR Path="/5F5D026F/5F581E67" Ref="R?" Part="1" +F 0 "R?" V 6745 5000 50 0000 C CNN +F 1 "1k" V 6836 5000 50 0000 C CNN +F 2 "Resistors_SMD:R_0805" V 6990 4990 50 0001 C CNN +F 3 "~" H 6950 5000 50 0001 C CNN + 1 6950 5000 + 0 1 1 0 +$EndComp +$Comp +L Device:R_US R? +U 1 1 5F5823DE +P 9250 4950 +AR Path="/5ED6119E/5F5823DE" Ref="R?" Part="1" +AR Path="/5F5D026F/5F5823DE" Ref="R?" Part="1" +F 0 "R?" V 9045 4950 50 0000 C CNN +F 1 "1k" V 9136 4950 50 0000 C CNN +F 2 "Resistors_SMD:R_0805" V 9290 4940 50 0001 C CNN +F 3 "~" H 9250 4950 50 0001 C CNN + 1 9250 4950 + 0 1 1 0 +$EndComp +Wire Wire Line + 7350 5200 7350 5300 +$Comp +L Device:C C? +U 1 1 5F5A169C +P 7200 5150 +AR Path="/5ED6119E/5F5A169C" Ref="C?" Part="1" +AR Path="/5F5D026F/5F5A169C" Ref="C?" Part="1" +F 0 "C?" H 7085 5104 50 0000 R CNN +F 1 "33n" H 7085 5195 50 0000 R CNN +F 2 "Capacitors_SMD:C_0805" H 7238 5000 50 0001 C CNN +F 3 "~" H 7200 5150 50 0001 C CNN + 1 7200 5150 + -1 0 0 -1 +$EndComp +Wire Wire Line + 7100 5000 7200 5000 +Connection ~ 7200 5000 +Wire Wire Line + 7200 5000 7500 5000 +Wire Wire Line + 7100 5300 7200 5300 +Connection ~ 7350 5300 +Wire Wire Line + 7350 5300 7350 5550 +Connection ~ 7200 5300 +Wire Wire Line + 7200 5300 7350 5300 +$Comp +L Device:C C? +U 1 1 5F5BE254 +P 9500 4800 +AR Path="/5ED6119E/5F5BE254" Ref="C?" Part="1" +AR Path="/5F5D026F/5F5BE254" Ref="C?" Part="1" +F 0 "C?" H 9385 4754 50 0000 R CNN +F 1 "33n" H 9385 4845 50 0000 R CNN +F 2 "Capacitors_SMD:C_0805" H 9538 4650 50 0001 C CNN +F 3 "~" H 9500 4800 50 0001 C CNN + 1 9500 4800 + -1 0 0 -1 +$EndComp +Wire Wire Line + 9400 4650 9500 4650 +Connection ~ 9500 4650 +Wire Wire Line + 9500 4650 9700 4650 +Wire Wire Line + 9650 4850 9650 4950 +Wire Wire Line + 9650 4950 9500 4950 +Connection ~ 9500 4950 +Wire Wire Line + 9500 4950 9400 4950 $EndSCHEMATC