updated task list

git-svn-id: https://svn.code.sf.net/p/freetel/code@2576 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/sm2000/doc/sm202 Task List.txt b/sm2000/doc/sm202 Task List.txt
index c20f0930f5b4aaa18ba2e70ba21e6e71aab5a00a..aa8824aca8373c2127e73c87bf8e37272955f69a 100644 (file)
--- a/sm2000/doc/sm202 Task List.txt
+++ b/sm2000/doc/sm202 Task List.txt
@@ -75,10 +75,10 @@ Task List
 \r
 [ ] Remaining Manhatten Prototype Tasks\r
     + Manhatten Style prototype used to build and test as much as possible\r
-    [ ] 1W PA\r
-    [ ] PIN diode TR switch\r
-    [ ] PA filter\r
-    [ ] Input (1st) BPF\r
+    [X] 1W PA\r
+    [X] PIN diode TR switch\r
+    [X] PA filter\r
+    [X] Input (1st) BPF\r
     [ ] TDMA switching\r
         [ ] how to switch PS rails\r
         [ ] tx and rx meet specs\r
@@ -88,12 +88,12 @@ Task List
     + cross off below when part selected and tested in prototype\r
     [ ] New audio amp chip\r
         + bit better, higher power than LM386\r
-    [ ] General purpose VHF transistors\r
-    [ ] General purpose IF transistors\r
+    [X] General purpose VHF transistors\r
+    [X] General purpose IF transistors\r
     [X] 1st mixer: ADE-1 \r
     [X] RF switches\r
         + Brady has suggest AS17992LF\r
-    [ ] 1W PA transistor\r
+    [X] 1W PA transistor\r
     [ ] LCD\r
         + Could use cheap Nokia 5110, at least in first rev. Well documented and libraried.\r
     [ ] encoder\r
@@ -102,7 +102,7 @@ Task List
         [X] optional Si570\r
             + low phase noise soldered in option, provide footprint\r
             + Si5351 still used as 2nd LO\r
-    [ ] Prototype parts list to Edwin for review\r
+    [X] Prototype parts list to Edwin for review\r
         + just major parts, semiconductors\r
         + make sure they are obtainable\r
         + look for low cost equivalents\r
@@ -184,7 +184,7 @@ Task List
     [X] how to switch mixer/xtal filter\r
         + tx modulator transistor is part of rx load\r
         + alo use of TIA\r
-    [ ] Is NE602/612 still easy to get?\r
+    [X] Is NE602/612 still easy to get?\r
     [X] ADC perf\r
         + SFDR etc, which is why we run it as 100kHz\r
         + if not good enough we'll need an external ADC\r
@@ -194,12 +194,13 @@ Task List
         + easy to exceed limits in SM resistors and transistors\r
         + RF drivers draw lots of current\r
         + mitigation: power spereadhseet in doc section\r
-    [ ] IF termination of 1st mixer\r
-        + how to test if this is OK?\r
-    [ ] do we need a way to bypass the LNA?\r
+    [X] IF termination of 1st mixer\r
+        + how to test if this is OK -> Sweep with R/L bridge\r
+    [X] do we need a way to bypass the LNA?\r
         + or is it OK even with strong signals\r
         + mitigation: cascaded IP3 calculations in doc section\r
                       if this compares to current middle range radios then OK\r
+        + decided to keep in cct, pending strong sig tests\r
     [ ] xtal filter power\r
         + what is the limit, how many dBm are we using at the moment?\r
     [X] prototype RX works \r
@@ -211,11 +212,12 @@ Task List
     [ ] TDMA switching\r
         + demonstrate design supports tx/rx switching fast enough for TDMA\r
         [ ] tx/rx power supply rail swicthing\r
-    [ ] RF detector\r
+    [X] RF detector\r
         + pwr calibration, shutdown with no load\r
-    [ ] PA\r
-        [ ] 1W for 5 minutes\r
-        [ ] adjust PA from uC via Vgg\r
+    [X] PA\r
+        [X] 1W for 5 minutes\r
+        [X] adjust PA from uC via Vgg\r
+            + not tested from uC yet\r
     [ ] Dual freq TDMA\r
         + tx and rx?  We need a way to tx on two different freqs\r
         + use same clock for tx and rx?\r
@@ -232,15 +234,15 @@ Task List
         + e.g. on collectors and emitters of RF amps\r
         + between building blocks\r
     [ ] inductors\r
-        [ ] coil winding details if air core\r
-        [ ] tolerance\r
-        [ ] statement on Q so we know if we can subs SM or need Hi-Q air-core\r
-        [ ] alignment of coils WRT each other to prevent coupling\r
+        [X] coil winding details if air core\r
+        [X] tolerance\r
+        [X] statement on Q so we know if we can subs SM or need Hi-Q air-core\r
+        [X] alignment of coils WRT each other to prevent coupling\r
         [ ] location of shields if rqd\r
         [ ] how to adjust/if adjustment rqd\r
             + e.g. adjust filter by variation in coild spacing against filter spec\r
     [ ] 4 by 0.1 inch pin headers in a square pattern to disconnect building blocks    \r
-    [ ] select Si570 with a jumper\r
+    [X] select Si570 with a jumper\r
     [ ] review of foot prints for discretes\r
         + ease of debug, e.g. if we need to add a LC filter\r
         + power handling\r
@@ -249,9 +251,10 @@ Task List
     [ ] specify locations of 4 pin 50 ohm breaks\r
         + 0805 0 ohm, or break for isolation and testing\r
     [ ] 10uF tant to PA\r
-    [ ] research TXCO for si5351 clock input\r
+    [X] research TXCO for si5351 clock input\r
         + perhaps include as option\r
         + does it have to be 25MHz?\r
+        + decided not to run with TXCO for prototype, as freq stab not critical\r
     [ ] how to connect SCA/SCL on clock chips to uC?\r
         + is there a separate enable?\r
     [ ] LEDs for control signals/rails\r