From 202089cd6132026b1bad6538d8aace3456974635 Mon Sep 17 00:00:00 2001 From: Michael Schloh von Bennewitz Date: Sat, 5 Sep 2020 21:04:35 +0200 Subject: [PATCH] Complete draft design of RF switch for power amplifier and HF circuits. --- hardware/ctrl-mchip.sch | 51 ++-- hardware/ctrl-stmicro.sch | 2 +- hardware/dscomm.sch | 32 +- hardware/rfsw-mchip.sch | 628 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 693 insertions(+), 20 deletions(-) create mode 100644 hardware/rfsw-mchip.sch diff --git a/hardware/ctrl-mchip.sch b/hardware/ctrl-mchip.sch index 4517152..31672c1 100644 --- a/hardware/ctrl-mchip.sch +++ b/hardware/ctrl-mchip.sch @@ -3,7 +3,7 @@ EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 -Sheet 2 3 +Sheet 2 4 Title "" Date "" Rev "" @@ -16,23 +16,38 @@ $EndDescr $Comp L Elabdev:ATSAMR34 U1 U 1 1 5F543EF6 -P 3950 3950 -F 0 "U1" H 3950 5931 50 0000 C CNN -F 1 "ATSAMR34" H 3950 5840 50 0000 C CNN -F 2 "Elabdev:TFBGA-64_8x8_6.0x6.0mm_P0.65mm" H 3950 4000 50 0001 C CIN -F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/SAMR34-R35-Low-Power-LoRa-Sub-GHz-SiP-Data-Sheet-DS70005356B.pdf" H 3950 3900 50 0001 C CNN - 1 3950 3950 - 1 0 0 -1 -$EndComp -$Comp -L Elabdev:SKY13373 U? -U 1 1 5F54FC67 -P 7750 4850 -F 0 "U?" H 7750 5431 50 0000 C CNN -F 1 "SKY13373" H 7750 5340 50 0000 C CNN -F 2 "Elabdev:QFN-12-1EP_2x2mm_P0.5mm_EP0.76x0.76mm" H 7750 4350 50 0001 C CNN -F 3 "http://www.skyworksinc.com/uploads/documents/SKY13373_460LF_201264N.pdf" H 7750 4250 50 0001 C CNN - 1 7750 4850 +P 5850 3750 +F 0 "U1" H 7300 5550 50 0000 C CNN +F 1 "ATSAMR34" H 4550 5550 50 0000 C CNN +F 2 "Elabdev:TFBGA-64_8x8_6.0x6.0mm_P0.65mm" H 5850 3800 50 0001 C CIN +F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/SAMR34-R35-Low-Power-LoRa-Sub-GHz-SiP-Data-Sheet-DS70005356B.pdf" H 5850 3700 50 0001 C CNN + 1 5850 3750 1 0 0 -1 $EndComp +Wire Wire Line + 7450 3350 7550 3350 +Wire Wire Line + 7450 4650 7550 4650 +Wire Wire Line + 7450 3850 7550 3850 +Wire Wire Line + 7450 3950 7550 3950 +Wire Wire Line + 7450 4150 7550 4150 +Wire Wire Line + 6450 1950 6450 1550 +Wire Wire Line + 6450 1550 6550 1550 +Text HLabel 7550 3350 2 50 Output ~ 0 +BANDSEL +Text HLabel 7550 4650 2 50 Output ~ 0 +TRANSCEIV +Text HLabel 7550 3850 2 50 UnSpc ~ 0 +HFIN +Text HLabel 7550 3950 2 50 UnSpc ~ 0 +HFOUT +Text HLabel 7550 4150 2 50 Output ~ 0 +HPOUT +Text HLabel 6550 1550 2 50 Output ~ 0 +POWAMP $EndSCHEMATC diff --git a/hardware/ctrl-stmicro.sch b/hardware/ctrl-stmicro.sch index 3d5d286..1ad4b2a 100644 --- a/hardware/ctrl-stmicro.sch +++ b/hardware/ctrl-stmicro.sch @@ -3,7 +3,7 @@ EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 -Sheet 3 3 +Sheet 3 4 Title "" Date "" Rev "" diff --git a/hardware/dscomm.sch b/hardware/dscomm.sch index dd4c982..ad17c16 100644 --- a/hardware/dscomm.sch +++ b/hardware/dscomm.sch @@ -3,7 +3,7 @@ EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 -Sheet 1 3 +Sheet 1 4 Title "Democratic Sendcomm" Date "2020-08-30" Rev "0.8.0" @@ -106,6 +106,12 @@ S 1300 1250 1200 800 U 5F53D5B5 F0 "Sheet5F53D5B4" 50 F1 "ctrl-mchip.sch" 50 +F2 "BANDSEL" O R 2500 1350 50 +F3 "TRANSCEIV" O R 2500 1450 50 +F4 "HFIN" U R 2500 1550 50 +F5 "HFOUT" U R 2500 1650 50 +F6 "HPOUT" O R 2500 1750 50 +F7 "POWAMP" O R 2500 1850 50 $EndSheet $Sheet S 1300 2450 1200 800 @@ -165,4 +171,28 @@ F 3 "" H 2550 7400 50 0001 C CNN 1 2550 7400 1 0 0 -1 $EndComp +$Sheet +S 3300 1250 1200 800 +U 5F5C0728 +F0 "Sheet5F5C0727" 50 +F1 "rfsw-mchip.sch" 50 +F2 "BANDSEL" I L 3300 1350 50 +F3 "TRANSCEIV" I L 3300 1450 50 +F4 "HPOUT" I L 3300 1750 50 +F5 "HFIN" I L 3300 1550 50 +F6 "POWAMP" I L 3300 1850 50 +F7 "HFOUT" I L 3300 1650 50 +$EndSheet +Wire Wire Line + 2500 1350 3300 1350 +Wire Wire Line + 2500 1450 3300 1450 +Wire Wire Line + 2500 1550 3300 1550 +Wire Wire Line + 2500 1650 3300 1650 +Wire Wire Line + 2500 1750 3300 1750 +Wire Wire Line + 2500 1850 3300 1850 $EndSCHEMATC diff --git a/hardware/rfsw-mchip.sch b/hardware/rfsw-mchip.sch new file mode 100644 index 0000000..e67f99c --- /dev/null +++ b/hardware/rfsw-mchip.sch @@ -0,0 +1,628 @@ +EESchema Schematic File Version 4 +EELAYER 30 0 +EELAYER END +$Descr A4 11693 8268 +encoding utf-8 +Sheet 4 4 +Title "" +Date "" +Rev "" +Comp "" +Comment1 "" +Comment2 "" +Comment3 "" +Comment4 "" +$EndDescr +$Comp +L Elabdev:SKY13373 U3 +U 1 1 5F5D6D5B +P 4050 3850 +F 0 "U3" H 4500 4200 50 0000 C CNN +F 1 "SKY13373" H 3750 4200 50 0000 C CNN +F 2 "Elabdev:QFN-12-1EP_2x2mm_P0.5mm_EP0.76x0.76mm" H 4050 3350 50 0001 C CNN +F 3 "http://www.skyworksinc.com/uploads/documents/SKY13373_460LF_201264N.pdf" H 4050 3250 50 0001 C CNN + 1 4050 3850 + 1 0 0 -1 +$EndComp +Wire Wire Line + 3350 3650 3450 3650 +Wire Wire Line + 3350 3750 3450 3750 +Wire Wire Line + 3450 4000 2850 4000 +Wire Wire Line + 2850 4000 2850 4550 +Wire Wire Line + 2850 4550 3050 4550 +$Comp +L power:GND #PWR06 +U 1 1 5F5D6D66 +P 4050 4650 +F 0 "#PWR06" H 4050 4400 50 0001 C CNN +F 1 "GND" H 4055 4477 50 0000 C CNN +F 2 "" H 4050 4650 50 0001 C CNN +F 3 "" H 4050 4650 50 0001 C CNN + 1 4050 4650 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4050 4250 4050 4350 +Wire Wire Line + 3150 4550 4050 4550 +Connection ~ 4050 4550 +Wire Wire Line + 4050 4550 4050 4650 +Wire Wire Line + 3950 4250 3950 4350 +Wire Wire Line + 3950 4350 4050 4350 +Connection ~ 4050 4350 +Wire Wire Line + 4050 4350 4050 4450 +Wire Wire Line + 4150 4250 4150 4350 +Wire Wire Line + 4150 4350 4050 4350 +Wire Wire Line + 3850 4250 3850 4450 +Wire Wire Line + 3850 4450 4050 4450 +Connection ~ 4050 4450 +Wire Wire Line + 4050 4450 4050 4550 +Wire Wire Line + 4250 4250 4250 4450 +Wire Wire Line + 4250 4450 4050 4450 +$Comp +L Device:Antenna_Shield AE1 +U 1 1 5F5D6D7C +P 3050 4350 +F 0 "AE1" H 3194 4389 50 0000 L CNN +F 1 "Antenna_Shield" H 3194 4298 50 0000 L CNN +F 2 "" H 3050 4450 50 0001 C CNN +F 3 "~" H 3050 4450 50 0001 C CNN + 1 3050 4350 + 1 0 0 -1 +$EndComp +Text Notes 2800 4450 1 50 ~ 0 +50 Ohm +Text Notes 3000 3200 0 39 ~ 0 +V1 V2 State\n-- -- -----\n 0 0 Shutdown\n 1 0 RFC to J2 (RFI_HF)\n 0 1 RFC to J1 (PA_BOOST)\n 1 1 RFC to J3 (RFO_HF) +$Comp +L power:+3V3 #PWR01 +U 1 1 5F5D6D84 +P 4300 2350 +F 0 "#PWR01" H 4300 2200 50 0001 C CNN +F 1 "+3V3" H 4315 2523 50 0000 C CNN +F 2 "" H 4300 2350 50 0001 C CNN +F 3 "" H 4300 2350 50 0001 C CNN + 1 4300 2350 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C1 +U 1 1 5F5D6D8A +P 4650 2550 +F 0 "C1" V 4398 2550 50 0000 C CNN +F 1 "1nF" V 4489 2550 50 0000 C CNN +F 2 "" H 4688 2400 50 0001 C CNN +F 3 "~" H 4650 2550 50 0001 C CNN + 1 4650 2550 + 0 1 1 0 +$EndComp +$Comp +L power:GND #PWR02 +U 1 1 5F5D6D90 +P 4800 2550 +F 0 "#PWR02" H 4800 2300 50 0001 C CNN +F 1 "GND" H 4805 2377 50 0000 C CNN +F 2 "" H 4800 2550 50 0001 C CNN +F 3 "" H 4800 2550 50 0001 C CNN + 1 4800 2550 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4300 3450 4300 2550 +Wire Wire Line + 4500 2550 4300 2550 +Connection ~ 4300 2550 +Wire Wire Line + 4300 2550 4300 2350 +$Comp +L Device:C C8 +U 1 1 5F5D6D9A +P 5200 3850 +F 0 "C8" V 4948 3850 50 0000 C CNN +F 1 "47pF" V 5039 3850 50 0000 C CNN +F 2 "" H 5238 3700 50 0001 C CNN +F 3 "~" H 5200 3850 50 0001 C CNN + 1 5200 3850 + 0 1 1 0 +$EndComp +$Comp +L Device:C C9 +U 1 1 5F5D6DA0 +P 5850 4000 +F 0 "C9" H 5965 4046 50 0000 L CNN +F 1 "27pF" H 5965 3955 50 0000 L CNN +F 2 "" H 5888 3850 50 0001 C CNN +F 3 "~" H 5850 4000 50 0001 C CNN + 1 5850 4000 + 1 0 0 -1 +$EndComp +$Comp +L Device:L L5 +U 1 1 5F5D6DA6 +P 7000 3650 +F 0 "L5" V 7190 3650 50 0000 C CNN +F 1 "10nH" V 7099 3650 50 0000 C CNN +F 2 "" H 7000 3650 50 0001 C CNN +F 3 "~" H 7000 3650 50 0001 C CNN + 1 7000 3650 + 0 -1 -1 0 +$EndComp +$Comp +L power:GND #PWR04 +U 1 1 5F5D6DAC +P 5850 4150 +F 0 "#PWR04" H 5850 3900 50 0001 C CNN +F 1 "GND" H 5855 3977 50 0000 C CNN +F 2 "" H 5850 4150 50 0001 C CNN +F 3 "" H 5850 4150 50 0001 C CNN + 1 5850 4150 + 1 0 0 -1 +$EndComp +Wire Wire Line + 4650 3850 5050 3850 +Wire Wire Line + 5350 3850 5850 3850 +Wire Wire Line + 7150 3650 7350 3650 +$Comp +L Device:L L7 +U 1 1 5F5D6DB8 +P 5400 5150 +F 0 "L7" V 5590 5150 50 0000 C CNN +F 1 "10nH" V 5499 5150 50 0000 C CNN +F 2 "" H 5400 5150 50 0001 C CNN +F 3 "~" H 5400 5150 50 0001 C CNN + 1 5400 5150 + 0 -1 -1 0 +$EndComp +Wire Wire Line + 4650 3950 4850 3950 +Wire Wire Line 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