r5884 - in trunk/gta02-core/bom: . dk research

werner at docs.openmoko.org werner at docs.openmoko.org
Fri Apr 2 10:36:53 CEST 2010 

Author: werner
Date: 2010-04-02 10:36:53 +0200 (Fri, 02 Apr 2010)
New Revision: 5884

Added:
   trunk/gta02-core/bom/gta02-core.equ
   trunk/gta02-core/bom/research/u6007
   trunk/gta02-core/bom/research/u8002
   trunk/gta02-core/bom/research/x1501
   trunk/gta02-core/bom/research/x7601
Modified:
   trunk/gta02-core/bom/Makefile
   trunk/gta02-core/bom/dk/digi-key.equ
   trunk/gta02-core/bom/research/STATUS
Log:
More research and more parts. Score:

SVN Rev -- No source -- -- Digi-Key --  -- Farnell ---  --- Mouser ---
r5884   12              81      1373

- bom/research/u6007: added incompatible substitute for ACX FA2012-KR40PAA
- bom/research/u8002: added incompatible substitute for ACX BF2520-B2R4CAB/LF
- bom/research/x1501: added similar replacements for Unifirst TAS4025A-12MHz
- bom/research/x7601: added incompatible substitute for Rakon IT3205BE
- bom/research/STATUS: added files for u6007, u8002, x1501, x7601
- bom/research/STATUS: removed KLB0603K601SA since we have a replacement
- bom/research/STATUS: added previously overlooked RTA02-4D330JTP
- bom/research/STATUS: TAS4025A-12MHz is no longer critical
- bom/gta02-core.equ, bom/Makefile: new file for project-specific equivalences
- bom/dk/digi-key.equ: added TDK filter and crystals from Fox and ECS



Modified: trunk/gta02-core/bom/Makefile
===================================================================
--- trunk/gta02-core/bom/Makefile	2010-04-02 06:51:34 UTC (rev 5883)
+++ trunk/gta02-core/bom/Makefile	2010-04-02 08:36:53 UTC (rev 5884)
@@ -6,7 +6,7 @@
 ANNOTATE=ord	# make ANNOTATE=par ... for the parts list
 
 KITS=20
-EQU=fic/fic.equ fic/missing.equ \
+EQU=gta02-core.equ fic/fic.equ fic/missing.equ \
     dk/digi-key.equ mouser/mouser.equ farnell/farnell.equ arrow/arrow.equ
 INV=fic/fic.inv gta02-core.inv dummy.inv fic/missing.inv \
     dk/digi-key.inv mouser/mouser.inv farnell/farnell.inv arrow/arrow.inv

Modified: trunk/gta02-core/bom/dk/digi-key.equ
===================================================================
--- trunk/gta02-core/bom/dk/digi-key.equ	2010-04-02 06:51:34 UTC (rev 5883)
+++ trunk/gta02-core/bom/dk/digi-key.equ	2010-04-02 08:36:53 UTC (rev 5884)
@@ -93,6 +93,7 @@
 DIGI-KEY 445-1262-1-ND			TDK C1005X7R1C103K
 DIGI-KEY 445-4996-1-ND			TDK C1005X5R0J474K
 DIGI-KEY 445-1428-1-ND			TDK C3216X5R0J476M
+DIGI-KEY 445-2205-1-ND			TDK MPZ1608S601A
 
 DIGI-KEY 712-1160-1-ND			JOHANSON 500R07S0R2BV4T
 DIGI-KEY 712-1299-1-ND			JOHANSON 251R14S0R2AV4T
@@ -120,3 +121,5 @@
 DIGI-KEY P14129CT-ND			PANASONIC EZJ-P0V080KA
 DIGI-KEY 283-2991-1-ND			COOPER-BUSSMANN MLVA04V09C130
 DIGI-KEY 283-3002-6-ND			COOPER-BUSSMANN MLVB04V09C005
+DIGI-KEY 631-1039-1-ND			FOX FX425B-12.000
+DIGI-KEY XC1608CT-ND			ECS ECS-120-9-42-CKM

Added: trunk/gta02-core/bom/gta02-core.equ
===================================================================
--- trunk/gta02-core/bom/gta02-core.equ	                        (rev 0)
+++ trunk/gta02-core/bom/gta02-core.equ	2010-04-02 08:36:53 UTC (rev 5884)
@@ -0,0 +1,22 @@
+#EQU
+
+#
+# Project-specific equivalences.
+#
+
+#			Package	Current	DCR	Impedance
+# Karmax KLB0603K601SA	0603	800 mA	?	600 R @ 100 MHz
+# TDK MPZ1608S601A	0603	1 A	?	600 R @ 100 MHz
+#
+# http://www.tdk.co.jp/tefe02/e9413_mpz1608.pdf
+#
+KARMAX KLB0603K601SA		TDK MPZ1608S601A
+
+#
+#				Package		Freq.	Tol.	LoadCap	Drive
+# Unifirst TAS4025A-12MHz	4.0x2.5x0.7 mm	12 MHz	?	20 pF ?	 50 uW
+# Fox FX425B-12.000		4.0x2.5x0.65 mm	12 MHz	50 ppm	10 pF ?	100 uW
+# ECS ECS-120-9-42-CKM		4.0x2.5x0.8 mm	12 MHz	10 ppm	 9 pF	<300 uW
+#
+
+UNIFIRST TAS4025A-12MHz		ECS ECS-120-9-42-CKM

Modified: trunk/gta02-core/bom/research/STATUS
===================================================================
--- trunk/gta02-core/bom/research/STATUS	2010-04-02 06:51:34 UTC (rev 5883)
+++ trunk/gta02-core/bom/research/STATUS	2010-04-02 08:36:53 UTC (rev 5884)
@@ -6,23 +6,22 @@
 AAT1275IRN-5.0-T1	u4904		not researched yet
 ATR0610-PQQ		u7601		borderline availability
 ATR0635-7KQY		u7608		borderline av., expensive or long lead
-BF2520-B2R4CAB/LF
+BF2520-B2R4CAB/LF	u8002		not found yet, smaller substitute
 BTP-03JA4G		con1701		no distrib., incompatible subst.
 DFBM-CS320-FI1R
-FA2012-KR40PAA
+FA2012-KR40PAA		u6007		not found yet, larger substitute
 HT-110USD		led1502		large minimum order, subst. likely
 HT-210UD/NB		led1501		long lead time, incompatible subst.
-IT3205BE
+IT3205BE		x7601		not found, incompat. expensive subst.
 JAR02-062101		jk4401		manuf. may be dead, inc. subst. likely
-KLB0603K601SA
 PCF50633HN/04/N3,5	u1701		large minimum order
 PPR06-023104
 R3113D241A-TR-F		u7604		not researched yet
+RTA02-4D330JTP
 RT9013-12PB
 RT9711BPB		u4905		not researched yet
 SC32442B54		u1501		not found yet, brokers list it
 SN74AUP1G00DCKR		u4902		borderline availability, incomp. subst.
-TAS4025A-12MHz
 TD028TTEC1		lcm		not found yet, brokers list it
 WM3236AQ		u8001		not found yet
 
@@ -32,9 +31,12 @@
 ----------------------	--------------	---------------------------------------
 NTGD1100L		u1704		found, but may want more popular part
 SI1040X-T1-E3		u7609		found, but may want more popular part
+TAS4025A-12MHz		x1501		not found, close substitutes
 
 
 "borderline availability" = only sources with lead time, although short. May
     become harder to source.
 "incompatible substitute" = differs in footprint, pin numbering, or physical
     shape, but fulfills same function.
+
+Parts without a file have not been researched yet.

Added: trunk/gta02-core/bom/research/u6007
===================================================================
--- trunk/gta02-core/bom/research/u6007	                        (rev 0)
+++ trunk/gta02-core/bom/research/u6007	2010-04-02 08:36:53 UTC (rev 5884)
@@ -0,0 +1,6 @@
+U6007: ACX FA2012-KR40PAA
+
+Johanson 0400FA18A0400E has exactly the same characteristics but the
+package is larger, 3.2 x 1.6 mm instead of 2.0 x 1.25 mm.
+
+http://media.digikey.com/pdf/Data Sheets/Johanson Technology/0400FA18A0400.pdf

Added: trunk/gta02-core/bom/research/u8002
===================================================================
--- trunk/gta02-core/bom/research/u8002	                        (rev 0)
+++ trunk/gta02-core/bom/research/u8002	2010-04-02 08:36:53 UTC (rev 5884)
@@ -0,0 +1,7 @@
+U8002: ACX BF2520-B2R4CAB/LF
+
+Murata LFB212G45SG8A192 (insertion loss 2.6 dB) or LFB212G45SG8A127
+(1.5 dB) has same/similar characteristics but the package is smaller,
+2.0 x 1.2 mm instead of 2.5 x 2.0 mm.
+
+http://search.murata.co.jp/Ceramy/image/img/w_hinm/S0260E.pdf

Added: trunk/gta02-core/bom/research/x1501
===================================================================
--- trunk/gta02-core/bom/research/x1501	                        (rev 0)
+++ trunk/gta02-core/bom/research/x1501	2010-04-02 08:36:53 UTC (rev 5884)
@@ -0,0 +1,12 @@
+X1501: Unifirst TAS4025A-12MHz
+
+While this part seems to be hard to find, there are alternatives with
+exactly the same size and very similar characteristics.
+
+			Package         Freq.   Tol.    LoadCap Drive
+			---------------	------	------	-------	-------
+Unifirst TAS4025A-12MHz	4.0x2.5x0.7 mm  12 MHz  ?       20 pF ?  50 uW
+Fox FX425B-12.000	4.0x2.5x0.65 mm 12 MHz  50 ppm  10 pF ? 100 uW
+ECS ECS-120-9-42-CKM	4.0x2.5x0.8 mm  12 MHz  10 ppm   9 pF   <300 uW
+
+We currently use the ECS-120-9-42-CKM.

Added: trunk/gta02-core/bom/research/x7601
===================================================================
--- trunk/gta02-core/bom/research/x7601	                        (rev 0)
+++ trunk/gta02-core/bom/research/x7601	2010-04-02 08:36:53 UTC (rev 5884)
@@ -0,0 +1,8 @@
+X7601: Rakon IT3205BE
+
+
+Similar parts ...
+
+Distributor, Part       Stock   Lead time       Price           Minimum order
+----------------------  ------  --------------  --------------  -------------
+Newark IQD IT5305BE	-	44 days		6.94		100

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