X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=megametrum.sch;h=e719981f868c6b2bc65e4f4dc21cc994aa148767;hb=e682c49cf236766091b2c4f228ac2d633095f25c;hp=ae57d118dcddd00506bfb8ffb7ac4677c039e78f;hpb=288b579441f21ecf748db6829dc24b5784d681ec;p=hw%2Ftelemega

diff --git a/megametrum.sch b/megametrum.sch
index ae57d11..e719981 100644
--- a/megametrum.sch
+++ b/megametrum.sch
@@ -1,4 +1,4 @@
-v 20110115 2
+v 20121123 2
 C 40000 40000 0 0 0 title-E-bdale.sym
 N 51700 61900 50900 61900 4
 {
@@ -179,7 +179,7 @@ Tolerate up to
 N 62400 43200 62300 43200 4
 N 62300 43200 62300 43600 4
 T 82400 40400 9 10 1 0 0 0 1
-0.2
+0.3
 T 80000 40400 9 10 1 0 0 0 1
 1
 T 80600 40400 9 10 1 0 0 0 1
@@ -188,9 +188,9 @@ T 77700 40400 9 10 1 0 0 0 1
 megametrum.sch
 T 77700 40100 9 10 1 0 0 0 1
 http://altusmetrum.com/
-N 71200 66200 72600 66200 4
+N 72500 70200 75400 70200 4
 {
-T 71200 66300 5 10 1 1 0 0 1
+T 72500 70300 5 10 1 1 0 0 1
 netname=reset_n
 }
 N 45300 61700 44400 61700 4
@@ -423,23 +423,6 @@ netname=v_lipo
 N 77700 60500 78000 60500 4
 N 64500 43600 66400 43600 4
 C 67800 42400 1 0 0 gnd.sym
-C 72000 65800 1 270 0 resistor.sym
-{
-T 72400 66100 5 10 0 0 270 6 1
-device=RESISTOR
-T 72300 65600 5 10 1 1 0 2 1
-refdes=R33
-T 72000 65795 5 10 0 1 270 6 1
-footprint=0402
-T 72600 65000 5 10 1 1 180 2 1
-value=27k
-T 72000 65800 5 10 0 0 180 2 1
-vendor_part_number=311-27KJRCT-ND
-T 72000 65800 5 10 0 0 180 0 1
-vendor=digikey
-T 72000 65800 5 10 0 1 180 0 1
-loadstatus=smt
-}
 C 43000 54700 1 0 0 FDS9926A.sym
 {
 T 43000 55900 5 10 1 1 0 0 1
@@ -520,137 +503,87 @@ T 65600 69200 5 10 1 1 0 6 1
 netname=beeper
 }
 N 67700 69100 67800 69100 4
-C 82300 70500 1 0 0 conn-2.sym
+C 80700 70500 1 0 0 conn-2.sym
 {
-T 81900 71100 5 10 0 1 0 0 1
+T 80300 71100 5 10 0 1 0 0 1
 footprint=ufl
-T 82605 71145 5 10 1 1 0 0 1
+T 81005 71145 5 10 1 1 0 0 1
 refdes=J10
-T 82600 70300 5 10 1 1 0 0 1
+T 81000 70300 5 10 1 1 0 0 1
 value=U.FL
-T 82300 70500 5 10 0 0 0 0 1
+T 80700 70500 5 10 0 0 0 0 1
 vendor_part_number=WM5587CT-ND
-T 82300 70500 5 10 0 0 0 0 1
+T 80700 70500 5 10 0 0 0 0 1
 vendor=digikey
-T 82300 70500 5 10 0 1 0 0 1
+T 80700 70500 5 10 0 1 0 0 1
 device=CONNECTOR
-T 82300 70500 5 10 0 1 0 0 1
+T 80700 70500 5 10 0 1 0 0 1
 loadstatus=smt
 }
-C 82400 71800 1 90 0 inductor.sym
+C 80800 71800 1 90 0 inductor.sym
 {
-T 81900 72000 5 10 0 0 90 0 1
+T 80300 72000 5 10 0 0 90 0 1
 device=INDUCTOR
-T 82650 72550 5 10 1 1 180 0 1
+T 81050 72550 5 10 1 1 180 0 1
 refdes=L5
-T 81700 72000 5 10 0 0 90 0 1
+T 80100 72000 5 10 0 0 90 0 1
 symversion=0.1
-T 82900 72100 5 10 1 1 180 0 1
+T 81300 72100 5 10 1 1 180 0 1
 value=47nH
-T 82400 71800 5 10 0 0 0 0 1
+T 80800 71800 5 10 0 0 0 0 1
 footprint=0402
-T 82400 71800 5 10 0 0 0 0 1
+T 80800 71800 5 10 0 0 0 0 1
 vendor_part_number=490-2631-1-ND
-T 82400 71800 5 10 0 0 0 0 1
+T 80800 71800 5 10 0 0 0 0 1
 vendor=digikey
-T 82400 71800 5 10 0 1 0 0 1
+T 80800 71800 5 10 0 1 0 0 1
 loadstatus=smt
 }
-C 82100 72900 1 0 0 3.3V-plus.sym
-N 82300 72900 82300 72700 4
-C 81900 71800 1 90 0 capacitor.sym
+C 80500 72900 1 0 0 3.3V-plus.sym
+N 80700 72900 80700 72700 4
+C 80300 71800 1 90 0 capacitor.sym
 {
-T 81200 72000 5 10 0 0 90 0 1
+T 79600 72000 5 10 0 0 90 0 1
 device=CAPACITOR
-T 81550 72600 5 10 1 1 180 0 1
+T 79950 72600 5 10 1 1 180 0 1
 refdes=C34
-T 81000 72000 5 10 0 0 90 0 1
+T 79400 72000 5 10 0 0 90 0 1
 symversion=0.1
-T 81900 71795 5 10 0 1 90 0 1
+T 80300 71795 5 10 0 1 90 0 1
 footprint=0402
-T 81000 71900 5 10 1 1 0 0 1
+T 79400 71900 5 10 1 1 0 0 1
 value=0.001uF
-T 81900 71800 5 10 0 0 0 0 1
+T 80300 71800 5 10 0 0 0 0 1
 vendor_part_number=445-2651-1-ND
-T 81900 71800 5 10 0 0 0 0 1
+T 80300 71800 5 10 0 0 0 0 1
 vendor=digikey
-T 81900 71800 5 10 0 1 0 0 1
+T 80300 71800 5 10 0 1 0 0 1
 loadstatus=smt
 }
-N 81700 72800 82300 72800 4
-N 82300 71000 82300 71800 4
-N 81700 70600 82300 70600 4
-C 80200 70800 1 0 0 capacitor.sym
-{
-T 80400 71500 5 10 0 0 0 0 1
-device=CAPACITOR
-T 80700 71400 5 10 1 1 180 0 1
-refdes=C35
-T 80400 71700 5 10 0 0 0 0 1
-symversion=0.1
-T 81200 71400 5 10 1 1 180 0 1
-value=22pF
-T 80200 70800 5 10 0 0 90 0 1
-vendor_part_number=490-1283-1-ND
-T 80200 70800 5 10 0 0 90 0 1
-footprint=0402
-T 80200 70800 5 10 0 0 0 0 1
-vendor=digikey
-T 80200 70800 5 10 0 1 0 0 1
-loadstatus=smt
-}
-N 79400 71000 80200 71000 4
-N 81100 71000 82300 71000 4
+N 80100 72800 80700 72800 4
+N 80700 71000 80700 71800 4
+N 80100 70600 80700 70600 4
+N 79400 71000 80700 71000 4
 T 81700 45500 9 10 1 0 0 0 2
   SMA is optional
 default is wire whip
-C 72500 64500 1 0 0 Venus634FLPx.sym
+C 74700 71700 1 0 0 3.3V-plus.sym
+N 75400 70600 74700 70600 4
+N 74900 70600 74900 71700 4
+N 75400 71000 74900 71000 4
+N 73700 67000 72300 67000 4
 {
-T 72995 71495 5 10 1 1 0 0 1
-refdes=U10
-T 75395 71095 5 10 0 2 0 0 1
-device=IC
-T 67395 64595 5 10 0 1 0 0 1
-footprint=Venus634FLPx
-T 72500 64500 5 10 0 0 0 0 1
-vendor=skytraq
-T 72500 64500 5 10 0 0 0 0 1
-vendor_part_number=Venus634FLPx
-T 75400 70800 5 10 1 1 0 0 1
-value=Venus634FLPx
-T 72500 64500 5 10 0 1 0 0 1
-loadstatus=smt
-}
-N 73400 64600 73400 64300 4
-N 74600 64300 74600 64600 4
-N 74200 64300 74200 64600 4
-N 75400 64600 75400 64300 4
-N 78600 64300 78600 64600 4
-N 78200 64600 78200 64300 4
-N 77800 64600 77800 64300 4
-N 77400 64600 77400 64300 4
-N 77000 64600 77000 64300 4
-N 76600 64600 76600 64300 4
-N 76200 64600 76200 64300 4
-N 75800 64600 75800 64300 4
-C 73700 63800 1 0 0 gnd.sym
-C 71900 71700 1 0 0 3.3V-plus.sym
-N 72600 70600 72100 70600 4
-N 72100 70600 72100 71700 4
-N 72600 71000 72100 71000 4
-N 72600 70200 71200 70200 4
-{
-T 71200 70300 5 10 1 1 0 0 1
+T 72300 67100 5 10 1 1 0 0 1
 netname=v_charge
 }
-N 71200 69400 72600 69400 4
+N 74000 69400 75400 69400 4
 {
-T 71200 69500 5 10 1 1 0 0 1
+T 74000 69500 5 10 1 1 0 0 1
 netname=tx3
 }
-N 71200 69000 72600 69000 4
+N 74000 69000 75400 69000 4
 {
-T 71200 69100 5 10 1 1 0 0 1
+T 74000 69100 5 10 1 1 0 0 1
 netname=rx3
 }
 C 71300 59700 1 0 0 3.3V-plus.sym
@@ -674,11 +607,7 @@ T 71700 58600 5 10 0 1 0 0 1
 loadstatus=smt
 }
 C 72800 58100 1 0 0 gnd.sym
-C 79800 66200 1 0 0 gnd.sym
-N 79400 66600 79900 66600 4
-N 79900 66600 79900 66500 4
-N 72600 65800 72100 65800 4
-N 72100 64600 72100 64900 4
+C 77300 65700 1 0 0 gnd.sym
 N 47700 63300 47800 63300 4
 N 46500 64000 46500 64200 4
 N 46500 64100 47800 64100 4
@@ -723,19 +652,7 @@ vendor=digikey
 T 68100 42700 5 10 0 1 0 0 1
 loadstatus=smt
 }
-C 72000 64300 1 0 0 gnd.sym
-N 73800 64100 73800 64300 4
-N 73800 64300 73800 64600 4
-T 74200 63400 9 10 1 0 0 0 2
-As of SkyTraq version 0.3, pin 
-19 is attached to system GND
-N 73400 64300 74600 64300 4
-N 75400 64300 81700 64300 4
-{
-T 79700 64400 5 10 1 1 0 0 1
-netname=gnd_gps
-}
-N 81700 64300 81700 71800 4
+N 80100 70600 80100 71800 4
 C 64600 43200 1 270 0 capacitor.sym
 {
 T 65300 43000 5 10 0 0 270 0 1
@@ -813,8 +730,8 @@ loadstatus=smt
 T 45300 60500 5 10 0 1 0 0 1
 vendor_part_number=W25Q64FVSSIG-ND
 }
-N 81700 72700 81700 72800 4
-T 83200 70700 9 10 1 0 0 0 1
+N 80100 72700 80100 72800 4
+T 81600 70700 9 10 1 0 0 0 1
 GPS
 C 56500 42600 1 0 0 MCP73831.sym
 {
@@ -2860,9 +2777,9 @@ N 45300 72700 46400 72700 4
 T 45800 72800 5 10 1 1 0 0 1
 netname=gps_pps
 }
-N 79400 69800 80400 69800 4
+N 79400 68600 80400 68600 4
 {
-T 79700 69900 5 10 1 1 0 0 1
+T 79700 68700 5 10 1 1 0 0 1
 netname=gps_pps
 }
 C 45400 72800 1 0 0 gnd.sym
@@ -3777,3 +3694,74 @@ N 70600 53700 71900 53700 4
 T 70600 53800 5 10 1 1 0 0 1
 netname=radio_marc_isr
 }
+C 75400 66200 1 0 0 UBLOX-MAX.sym
+{
+T 75795 71495 5 10 1 1 0 0 1
+refdes=U10
+T 76895 70795 5 10 1 1 0 0 1
+device=U-Blox MAX
+T 75400 66200 5 10 0 1 0 0 1
+footprint=UBLOX-MAX
+}
+N 77400 66000 77400 66200 4
+N 77400 66100 77800 66100 4
+N 77800 66100 77800 66200 4
+N 77400 66100 77000 66100 4
+N 77000 66100 77000 66200 4
+C 80000 70300 1 0 0 gnd.sym
+T 81600 72000 9 10 1 0 0 0 2
+u-blox suggests L5 be
+Murata LQG15HS27NJ02
+T 73000 65500 9 10 1 0 0 0 6
+v_charge can be 4.2 volts
+v_bckp must be 1.4 - 3.6 volts
+i_bckp on the order of 22uA
+
+56k should drop 1.232 volts,
+and consume 27 microwatts
+C 74600 67100 1 180 0 resistor.sym
+{
+T 74300 66700 5 10 0 0 180 0 1
+device=RESISTOR
+T 73700 67200 5 10 1 1 0 0 1
+refdes=R32
+T 74300 67200 5 10 1 1 0 0 1
+value=56k
+T 74600 67100 5 10 0 1 180 0 1
+footprint=0402
+T 74600 67100 5 10 0 1 180 0 1
+vendor=digikey
+T 74600 67100 5 10 0 1 180 0 1
+vendor_part_number=RHM56.0KLCT-ND
+T 74600 67100 5 10 0 1 90 0 1
+loadstatus=smt
+}
+N 74600 67000 75400 67000 4
+C 73800 70500 1 0 0 resistor.sym
+{
+T 74100 70900 5 10 0 0 0 0 1
+device=RESISTOR
+T 74150 70950 5 10 1 1 180 0 1
+refdes=R33
+T 73795 70500 5 10 0 1 0 0 1
+footprint=0402
+T 74300 70800 5 10 1 1 0 0 1
+value=3.3k
+T 73800 70500 5 10 0 1 270 0 1
+vendor_part_number=311-3.30KLRCT-ND
+T 73800 70500 5 10 0 0 270 0 1
+vendor=digikey
+T 73800 70500 5 10 0 1 270 0 1
+loadstatus=smt
+}
+N 73800 70600 73800 70200 4
+T 71500 70800 9 10 1 0 0 0 9
+don't drive reset_n high!
+
+mcp130t is open drain
+with 5k internal pull-up
+
+do we really want 3.3k
+pull-up here?  unclear!
+
+don't use reset_n at all?