[Commit-gnuradio] r6396 - usrp-hw/trunk/wbx

[matt]

Author: matt
Date: 2007-09-10 23:44:14 -0600 (Mon, 10 Sep 2007)
New Revision: 6396

Modified:
   usrp-hw/trunk/wbx/rcv_wbx_lo.sch
   usrp-hw/trunk/wbx/wbx_lo_rev2_changes.txt
Log:
added RSSI to receiver


Modified: usrp-hw/trunk/wbx/rcv_wbx_lo.sch
===================================================================
--- usrp-hw/trunk/wbx/rcv_wbx_lo.sch    2007-09-11 02:59:13 UTC (rev 6395)
+++ usrp-hw/trunk/wbx/rcv_wbx_lo.sch    2007-09-11 05:44:14 UTC (rev 6396)
@@ -213,7 +213,7 @@
 }
 C 90000 31800 1 0 0 24Cxx-1.sym
 {
-T 90500 33000 5 10 1 1 0 0 1
+T 91000 32800 5 10 1 1 0 0 1
 refdes=U1
 T 90000 31800 5 10 0 1 0 0 1
 footprint=MSOP8
@@ -457,7 +457,6 @@
 N 82900 49000 83400 49000 4
 N 84300 49000 85400 49000 4
 N 85200 49000 85200 48800 4
-N 86300 49000 88500 49000 4
 N 87700 49000 87700 48800 4
 N 86900 49000 86900 48800 4
 N 83200 49000 83200 49800 4
@@ -589,11 +588,6 @@
 N 87700 45300 87700 45100 4
 N 86900 45100 86900 45300 4
 N 85200 45100 85200 45300 4
-N 84200 45100 87700 45100 4
-{
-T 84400 45100 5 10 1 1 0 0 1
-netname=VCMO
-}
 N 88500 47400 88900 47400 4
 N 88500 47800 88900 47800 4
 N 80900 48500 81400 48500 4
@@ -603,7 +597,6 @@
 N 81400 46400 81400 48100 4
 N 81400 48100 80900 48100 4
 N 88500 47800 88500 49000 4
-N 88500 46400 88500 47400 4
 N 77300 33600 79300 33600 4
 {
 T 77600 33600 5 10 1 1 0 0 1
@@ -734,12 +727,12 @@
 }
 N 77300 47700 78900 47700 4
 N 78900 47300 78500 47300 4
-C 75600 47500 1 90 1 generic-power.sym
+C 77200 47500 1 90 1 generic-power.sym
 {
-T 75350 47300 5 10 1 1 90 3 1
+T 76950 47300 5 10 1 1 90 3 1
 net=AGND:1
 }
-N 75600 47300 77600 47300 4
+N 77200 47300 77600 47300 4
 C 84100 34000 1 0 0 generic-power.sym
 {
 T 84300 34250 5 10 1 1 180 5 1
@@ -1129,175 +1122,175 @@
 net=DGND_RX:1
 }
 N 74000 30500 77800 30500 4
-C 84000 40900 1 90 1 capacitor-1.sym
+C 83900 39500 1 90 1 capacitor-1.sym
 {
-T 84200 40800 5 10 1 1 0 6 1
+T 84100 39400 5 10 1 1 0 6 1
 refdes=C2
-T 83900 40600 5 10 1 1 0 0 1
+T 83800 39200 5 10 1 1 0 0 1
 value=220pF
-T 84000 40900 5 10 0 1 0 6 1
+T 83900 39500 5 10 0 1 0 6 1
 footprint=0603
-T 84200 41600 5 10 0 0 0 0 1
+T 84100 40200 5 10 0 0 0 0 1
 device=CAPACITOR
-T 84200 41800 5 10 0 0 0 0 1
+T 84100 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 83800 39700 83800 40000 4
-C 86500 40900 1 270 0 capacitor-2.sym
+N 83700 38300 83700 38600 4
+C 86400 39500 1 270 0 capacitor-2.sym
 {
-T 86200 40100 5 10 1 1 0 0 1
+T 86100 38700 5 10 1 1 0 0 1
 refdes=C47
-T 86200 39900 5 10 1 1 0 0 1
+T 86100 38500 5 10 1 1 0 0 1
 value=4.7uF
-T 86500 40900 5 10 0 1 0 0 1
+T 86400 39500 5 10 0 1 0 0 1
 footprint=1206
-T 86700 41600 5 10 0 0 0 0 1
+T 86600 40200 5 10 0 0 0 0 1
 device=POLARIZED_CAPACITOR
-T 86700 41800 5 10 0 0 0 0 1
+T 86600 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-C 87100 39400 1 0 0 adp3336.sym
+C 87000 38000 1 0 0 adp3336.sym
 {
-T 88600 41600 5 10 1 1 0 6 1
+T 88500 40200 5 10 1 1 0 6 1
 refdes=U7
-T 87500 41800 5 10 0 0 0 0 1
+T 87400 40400 5 10 0 0 0 0 1
 device=ADP3336
-T 87500 42000 5 10 0 0 0 0 1
+T 87400 40600 5 10 0 0 0 0 1
 footprint=MSOP8
 }
-N 89200 40300 89400 40300 4
-N 89400 40300 89400 41100 4
-N 89400 40700 89200 40700 4
-C 89400 41600 1 0 0 generic-power.sym
+N 89100 38900 89300 38900 4
+N 89300 38900 89300 39700 4
+N 89300 39300 89100 39300 4
+C 89300 40100 1 0 0 generic-power.sym
 {
-T 89600 41850 5 10 1 1 0 3 1
+T 89500 40350 5 10 1 1 0 3 1
 net=5V_RX:1
 }
-N 89200 41100 89600 41100 4
-C 84300 40900 1 270 0 capacitor-1.sym
+N 89100 39700 89500 39700 4
+C 84200 39500 1 270 0 capacitor-1.sym
 {
-T 84000 40100 5 10 1 1 0 0 1
+T 83900 38700 5 10 1 1 0 0 1
 refdes=C35
-T 84000 39900 5 10 1 1 0 0 1
+T 83900 38500 5 10 1 1 0 0 1
 value=0.1uF
-T 84300 40900 5 10 0 1 0 0 1
+T 84200 39500 5 10 0 1 0 0 1
 footprint=0603
-T 84500 41600 5 10 0 0 0 0 1
+T 84400 40200 5 10 0 0 0 0 1
 device=CAPACITOR
-T 84500 41800 5 10 0 0 0 0 1
+T 84400 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-C 85200 40900 1 90 1 capacitor-1.sym
+C 85100 39500 1 90 1 capacitor-1.sym
 {
-T 85400 40100 5 10 1 1 0 6 1
+T 85300 38700 5 10 1 1 0 6 1
 refdes=C4
-T 85400 39900 5 10 1 1 0 6 1
+T 85300 38500 5 10 1 1 0 6 1
 value=1uF
-T 85200 40900 5 10 0 1 0 6 1
+T 85100 39500 5 10 0 1 0 6 1
 footprint=0603
-T 85400 41600 5 10 0 0 0 0 1
+T 85300 40200 5 10 0 0 0 0 1
 device=CAPACITOR
-T 85400 41800 5 10 0 0 0 0 1
+T 85300 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 85000 39700 85000 40000 4
-N 85000 40900 85000 41200 4
-N 84500 39700 84500 40000 4
-N 84500 40900 84500 41200 4
-C 85100 41100 1 0 0 inductor-1.sym
+N 84900 38300 84900 38600 4
+N 84900 39500 84900 39800 4
+N 84400 38300 84400 38600 4
+N 84400 39500 84400 39800 4
+C 85000 39700 1 0 0 inductor-1.sym
 {
-T 85300 41400 5 10 1 1 0 0 1
+T 85200 40000 5 10 1 1 0 0 1
 refdes=L6
-T 85100 41100 5 10 0 1 0 0 1
+T 85000 39700 5 10 0 1 0 0 1
 footprint=1206
-T 85300 41000 5 10 1 1 0 0 1
+T 85200 39600 5 10 1 1 0 0 1
 device=FB
-T 85300 41800 5 10 0 0 0 0 1
+T 85200 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-C 85900 40900 1 270 0 capacitor-1.sym
+C 85800 39500 1 270 0 capacitor-1.sym
 {
-T 85600 40100 5 10 1 1 0 0 1
+T 85500 38700 5 10 1 1 0 0 1
 refdes=C5
-T 85600 39900 5 10 1 1 0 0 1
+T 85500 38500 5 10 1 1 0 0 1
 value=0.1uF
-T 85900 40900 5 10 0 1 0 0 1
+T 85800 39500 5 10 0 1 0 0 1
 footprint=0603
-T 86100 41600 5 10 0 0 0 0 1
+T 86000 40200 5 10 0 0 0 0 1
 device=CAPACITOR
-T 86100 41800 5 10 0 0 0 0 1
+T 86000 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 86700 39700 86700 40000 4
-N 86700 40900 86700 41200 4
-N 86100 39700 86100 40000 4
-N 86100 40900 86100 41200 4
-N 84500 39100 84500 39700 4
-N 86000 41200 87000 41200 4
-N 87000 40700 87200 40700 4
-N 87000 41100 87200 41100 4
-N 83800 39700 87100 39700 4
-N 87100 39700 87100 39900 4
-N 87100 39900 87200 39900 4
-C 89500 40900 1 270 0 resistor-1.sym
+N 86600 38300 86600 38600 4
+N 86600 39500 86600 39800 4
+N 86000 38300 86000 38600 4
+N 86000 39500 86000 39800 4
+N 84400 37700 84400 38300 4
+N 85900 39800 86900 39800 4
+N 86900 39300 87100 39300 4
+N 86900 39700 87100 39700 4
+N 83700 38300 87000 38300 4
+N 87000 38300 87000 38500 4
+N 87000 38500 87100 38500 4
+C 89400 39500 1 270 0 resistor-1.sym
 {
-T 89800 40500 5 10 1 1 180 8 1
+T 89700 39100 5 10 1 1 180 8 1
 refdes=R63
-T 89500 40900 5 10 0 1 90 8 1
+T 89400 39500 5 10 0 1 90 8 1
 footprint=0603
-T 89800 40300 5 10 1 1 0 0 1
+T 89700 38900 5 10 1 1 0 0 1
 value=210K
-T 89800 41300 5 10 0 0 0 0 1
+T 89700 39900 5 10 0 0 0 0 1
 device=RESISTOR
 }
-C 89500 39800 1 270 0 resistor-1.sym
+C 89400 38400 1 270 0 resistor-1.sym
 {
-T 89800 39400 5 10 1 1 180 8 1
+T 89700 38000 5 10 1 1 180 8 1
 refdes=R81
-T 89500 39800 5 10 0 1 90 8 1
+T 89400 38400 5 10 0 1 90 8 1
 footprint=0603
-T 89800 39200 5 10 1 1 0 0 1
+T 89700 37800 5 10 1 1 0 0 1
 value=64.9K
-T 89800 40200 5 10 0 0 0 0 1
+T 89700 38800 5 10 0 0 0 0 1
 device=RESISTOR
 }
-N 89600 38800 89600 38900 4
-N 89200 39900 89600 39900 4
-N 89600 39800 89600 40000 4
-N 89600 40900 89600 41600 4
-C 90500 41000 1 90 1 capacitor-1.sym
+N 89500 37400 89500 37500 4
+N 89100 38500 89500 38500 4
+N 89500 38400 89500 38600 4
+N 89500 39500 89500 40100 4
+C 90400 39600 1 90 1 capacitor-1.sym
 {
-T 90400 40700 5 10 1 1 0 0 1
+T 90300 39300 5 10 1 1 0 0 1
 refdes=C10
-T 90400 40300 5 10 1 1 0 0 1
+T 90300 38900 5 10 1 1 0 0 1
 value=470pF
-T 90500 41000 5 10 0 1 0 6 1
+T 90400 39600 5 10 0 1 0 6 1
 footprint=0603
-T 90700 41700 5 10 0 0 0 0 1
+T 90600 40300 5 10 0 0 0 0 1
 device=CAPACITOR
-T 90700 41900 5 10 0 0 0 0 1
+T 90600 40500 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 89600 39900 90300 39900 4
-N 90300 39900 90300 40100 4
-N 90300 41100 90300 41000 4
-N 83800 41200 85100 41200 4
-C 84700 39100 1 180 0 generic-power.sym
+N 89500 38500 90200 38500 4
+N 90200 38500 90200 38700 4
+N 90200 39700 90200 39600 4
+N 83700 39800 85000 39800 4
+C 84600 37700 1 180 0 generic-power.sym
 {
-T 84500 38850 5 10 1 1 180 3 1
+T 84400 37450 5 10 1 1 180 3 1
 net=AGND:1
 }
-C 89800 38800 1 180 0 generic-power.sym
+C 89700 37400 1 180 0 generic-power.sym
 {
-T 89600 38550 5 10 1 1 180 3 1
+T 89500 37150 5 10 1 1 180 3 1
 net=AGND:1
 }
-C 84000 41500 1 0 1 generic-power.sym
+C 83900 40100 1 0 1 generic-power.sym
 {
-T 83800 41750 5 10 1 1 180 5 1
+T 83700 40350 5 10 1 1 180 5 1
 net=6V_RX:1
 }
-N 83800 40900 83800 41500 4
+N 83700 39500 83700 40100 4
 C 70400 47900 1 0 0 mga6x563.sym
 {
 T 71000 49200 5 10 1 1 0 0 1
@@ -1341,7 +1334,7 @@
 T 69300 49200 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 87200 40300 87000 40300 4
+N 87100 38900 86900 38900 4
 C 74700 33200 1 0 0 dual-opamp-1.sym
 {
 T 75500 33200 5 10 1 1 0 0 1
@@ -1441,7 +1434,7 @@
 io_rx[0]       RX1/RX2
 T 86900 50400 9 20 1 0 0 0 1
 6dB Loss, 20 MHz single-sided BW
-T 82900 35200 9 20 1 0 0 0 6
+T 92900 37300 9 20 1 0 0 0 6
 Power Consumption  (All 5V)
 AD8348         60mA
 MGA62563       80mA
@@ -1453,12 +1446,7 @@
 T 70700 40600 5 10 1 1 0 6 1
 netname=clock_rx_n
 }
-T 91700 37300 9 20 1 0 0 0 4
-TODO
-RSSI? (AD8362)
-More gain?
-Cascade Analysis (Gain, NF, IP3)
-N 87000 40300 87000 41200 4
+N 86900 38900 86900 39800 4
 N 73700 43100 72800 43100 4
 {
 T 73000 43100 5 10 1 1 0 0 1
@@ -1804,27 +1792,27 @@
 netname=VCMO2
 }
 N 77300 48600 77300 47700 4
-C 91300 40900 1 90 1 capacitor-1.sym
+C 91200 39500 1 90 1 capacitor-1.sym
 {
-T 91200 40600 5 10 1 1 0 0 1
+T 91100 39200 5 10 1 1 0 0 1
 refdes=C42
-T 91200 40200 5 10 1 1 0 0 1
+T 91100 38800 5 10 1 1 0 0 1
 value=1uF
-T 91300 40900 5 10 0 1 0 6 1
+T 91200 39500 5 10 0 1 0 6 1
 footprint=0603
-T 91500 41600 5 10 0 0 0 0 1
+T 91400 40200 5 10 0 0 0 0 1
 device=CAPACITOR
-T 91500 41800 5 10 0 0 0 0 1
+T 91400 40400 5 10 0 0 0 0 1
 symversion=0.1
 }
-N 91100 39900 91100 40000 4
-C 91300 39900 1 180 0 generic-power.sym
+N 91000 38500 91000 38600 4
+C 91200 38500 1 180 0 generic-power.sym
 {
-T 91100 39650 5 10 1 1 180 3 1
+T 91000 38250 5 10 1 1 180 3 1
 net=AGND:1
 }
-N 89600 41100 91100 41100 4
-N 91100 40900 91100 41100 4
+N 89500 39700 91000 39700 4
+N 91000 39500 91000 39700 4
 C 73700 42000 1 0 0 attenuator-smt.sym
 {
 T 73900 43700 5 10 0 0 0 0 1
@@ -1843,7 +1831,7 @@
 T 73900 47200 5 10 0 1 90 2 1
 footprint=0603
 T 73500 47800 5 10 1 1 0 0 1
-refdes=R?
+refdes=R72
 T 74200 47600 5 10 0 0 0 0 1
 device=RESISTOR
 }
@@ -1856,7 +1844,7 @@
 C 75800 48800 1 180 1 capacitor-1.sym
 {
 T 76400 48700 5 10 1 1 0 0 1
-refdes=C?
+refdes=C56
 T 76400 48500 5 10 1 1 180 6 1
 value=2200pF
 T 75800 48800 5 10 0 1 270 2 1
@@ -1874,10 +1862,220 @@
 T 75200 48500 5 10 0 1 180 2 1
 footprint=0603
 T 74600 48100 5 10 1 1 90 0 1
-refdes=R?
+refdes=R73
 T 74800 48800 5 10 0 0 90 0 1
 device=RESISTOR
 }
 N 73500 48600 74300 48600 4
 N 74000 48100 74000 48600 4
 N 75200 48600 75800 48600 4
+C 87700 42300 1 0 0 ad8362-SIG.sym
+{
+T 90100 44800 5 10 1 1 0 6 1
+refdes=U3
+T 88900 43800 5 10 0 0 0 0 1
+device=AD8362
+T 88900 44000 5 10 0 0 0 0 1
+footprint=TSSOP16
+}
+C 90500 36300 1 0 0 generic-power.sym
+{
+T 90700 36550 5 10 1 1 180 5 1
+net=5V_RX:1
+}
+N 90700 35900 90700 36300 4
+C 91100 33600 1 180 0 generic-power.sym
+{
+T 90900 33350 5 10 1 1 180 3 1
+net=AGND:1
+}
+N 90900 33600 90900 34100 4
+N 90100 34100 90100 33800 4
+N 90500 34100 90500 33800 4
+N 89200 35200 89400 35200 4
+N 89200 33800 89200 35200 4
+C 92100 34800 1 270 0 capacitor-1.sym
+{
+T 92200 34600 5 10 1 1 180 0 1
+refdes=C21
+T 92200 34200 5 10 1 1 180 0 1
+value=1uF
+T 92100 34800 5 10 0 1 180 8 1
+footprint=0603
+T 91900 35500 5 10 0 0 0 6 1
+device=CAPACITOR
+T 91900 35700 5 10 0 0 0 6 1
+symversion=0.1
+}
+N 92300 33800 92300 33900 4
+N 92000 34800 92300 34800 4
+C 93000 35000 1 90 1 capacitor-1.sym
+{
+T 92900 34800 5 10 1 1 180 6 1
+refdes=C20
+T 92900 34400 5 10 1 1 180 6 1
+value=1uF
+T 93000 35000 5 10 0 1 180 2 1
+footprint=0603
+T 93200 35700 5 10 0 0 0 0 1
+device=CAPACITOR
+T 93200 35900 5 10 0 0 0 0 1
+symversion=0.1
+}
+N 90900 33800 92800 33800 4
+N 92800 33800 92800 34100 4
+N 92800 35000 92800 35200 4
+N 92800 35200 92000 35200 4
+C 89300 34000 1 0 0 ad8362-PWR.sym
+{
+T 91700 35700 5 10 1 1 0 6 1
+refdes=U3
+T 90500 35200 5 10 0 0 0 0 1
+device=AD8362
+T 90500 35400 5 10 0 0 0 0 1
+footprint=TSSOP16
+}
+N 91300 34100 91300 33800 4
+C 88900 35300 1 90 1 capacitor-1.sym
+{
+T 88300 35100 5 10 1 1 180 6 1
+refdes=C22
+T 88600 34700 5 10 1 1 180 0 1
+value=0.1uF
+T 88900 35300 5 10 0 1 180 2 1
+footprint=0603
+T 89100 36000 5 10 0 0 0 0 1
+device=CAPACITOR
+T 89100 36200 5 10 0 0 0 0 1
+symversion=0.1
+}
+N 88700 33800 90900 33800 4
+N 88700 33800 88700 34400 4
+N 88700 35300 88700 36100 4
+N 88700 36100 90700 36100 4
+N 87800 43500 87500 43500 4
+N 87500 43500 87500 43100 4
+N 87500 43100 87800 43100 4
+C 87200 43500 1 90 1 capacitor-1.sym
+{
+T 87100 43300 5 10 1 1 180 6 1
+refdes=C24
+T 87100 42900 5 10 1 1 180 6 1
+value=1uF
+T 87200 43500 5 10 0 1 180 2 1
+footprint=0603
+T 87400 44200 5 10 0 0 0 0 1
+device=CAPACITOR
+T 87400 44400 5 10 0 0 0 0 1
+symversion=0.1
+}
+N 87800 43900 87000 43900 4
+N 87000 43900 87000 43500 4
+C 86800 42300 1 180 1 generic-power.sym
+{
+T 87000 42050 5 10 1 1 180 3 1
+net=AGND:1
+}
+N 87000 42300 87000 42600 4
+C 87400 44100 1 0 1 capacitor-1.sym
+{
+T 87100 44600 5 10 1 1 180 6 1
+refdes=C23
+T 87100 44200 5 10 1 1 180 6 1
+value=1uF
+T 87400 44100 5 10 0 1 90 2 1
+footprint=0603
+T 88100 43900 5 10 0 0 270 0 1
+device=CAPACITOR
+T 88300 43900 5 10 0 0 270 0 1
+symversion=0.1
+}
+N 87400 44300 87800 44300 4
+N 90600 44300 90600 43900 4
+N 90600 43900 90400 43900 4
+N 90400 44300 91300 44300 4
+{
+T 90800 44300 5 10 1 1 0 0 1
+netname=RSSI
+}
+N 69600 31400 70500 31400 4
+{
+T 70000 31400 5 10 1 1 0 0 1
+netname=RSSI
+}
+C 89500 42300 1 90 1 capacitor-1.sym
+{
+T 89400 42100 5 10 1 1 180 6 1
+refdes=C26
+T 89400 41700 5 10 1 1 180 6 1
+value=0.1uF
+T 89500 42300 5 10 0 1 180 2 1
+footprint=0603
+T 89700 43000 5 10 0 0 0 0 1
+device=CAPACITOR
+T 89700 43200 5 10 0 0 0 0 1
+symversion=0.1
+}
+N 89300 42300 89300 42400 4
+C 88700 41200 1 180 1 generic-power.sym
+{
+T 88900 40950 5 10 1 1 180 3 1
+net=AGND:1
+}
+C 88700 42300 1 270 0 capacitor-1.sym
+{
+T 88800 42100 5 10 1 1 180 0 1
+refdes=C25
+T 88800 41700 5 10 1 1 180 0 1
+value=0.1uF
+T 88700 42300 5 10 0 1 180 8 1
+footprint=0603
+T 88500 43000 5 10 0 0 0 6 1
+device=CAPACITOR
+T 88500 43200 5 10 0 0 0 6 1
+symversion=0.1
+}
+N 88900 42300 88900 42400 4
+N 88900 41200 88900 41400 4
+N 88900 41300 89300 41300 4
+N 89300 41300 89300 41400 4
+C 88600 45300 1 90 0 resistor-1.sym
+{
+T 88700 45600 5 10 1 1 0 0 1
+value=1.24K
+T 88600 45300 5 10 0 1 90 0 1
+footprint=0603
+T 88700 45900 5 10 1 1 0 0 1
+refdes=R70
+T 88900 45700 5 10 0 0 0 0 1
+device=RESISTOR
+}
+N 88500 46200 88500 47400 4
+N 84200 45100 88500 45100 4
+{
+T 84400 45100 5 10 1 1 0 0 1
+netname=VCMO
+}
+N 88500 45100 88500 45300 4
+C 89700 49100 1 180 0 resistor-1.sym
+{
+T 88900 49200 5 10 1 1 0 0 1
+value=1.02K
+T 89700 49100 5 10 0 1 180 0 1
+footprint=0603
+T 88900 49500 5 10 1 1 0 0 1
+refdes=R71
+T 89300 49400 5 10 0 0 90 0 1
+device=RESISTOR
+}
+N 86300 49000 88800 49000 4
+N 89700 49000 91000 49000 4
+{
+T 89800 49000 5 10 1 1 0 0 1
+netname=level_sense
+}
+N 85200 44300 86500 44300 4
+{
+T 85300 44300 5 10 1 1 0 0 1
+netname=level_sense
+}

Modified: usrp-hw/trunk/wbx/wbx_lo_rev2_changes.txt
===================================================================
--- usrp-hw/trunk/wbx/wbx_lo_rev2_changes.txt   2007-09-11 02:59:13 UTC (rev 
6395)
+++ usrp-hw/trunk/wbx/wbx_lo_rev2_changes.txt   2007-09-11 05:44:14 UTC (rev 
6396)
@@ -23,6 +23,7 @@
       - R68, L98, C97, C98 need to be close to U4, connected on top layer,
          should look like schematic
 - C93 should be close to its pin, don't run long line in parallel 
+- Open up space on left of U2 -- too much coupling
 
 
 Part Value Changes, same footprint
@@ -50,6 +51,9 @@
 - Added U105, L120, C170-C172 power amp
 - Added R155, should be placed close to U103
 - Added R218, C273, should be near switcher
+- Added RSSI circuit -- U3, C20-C26, R70, R71.  All but R's should be
+    close to each other
+- Added R72, R73, C56, should be near U2
 
 Schematic changes, removed parts
 - Removed R2, R3, R12, R114, R115, R129, R130, R131, R155 (attenuators)
@@ -64,11 +68,10 @@
 Open Issues
 - Values of 3 attenuators, close to source or dest?
 - Loop filter
-- RSSI
 - Examine all RF paths
-- Revisit RX enables
-- Transformer in LNA path?
 - Figure out power consumption on 5V_TX!
-- 64 Mhz termination and filtering? keeping it clean?
-- Open up space on left of U2 -- too much coupling
--
+
+
+Not Doing
+- Tranformer in LNA path
+- 64 Mhz filtering? differential to SE xformer?