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series resistance on CLKOUT to reduce overshoot

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This commit is contained in:
Michael Ossmann
2013-12-12 16:37:21 -07:00
parent 72662dbbc4
commit 54b69798db
4 changed files with 13 additions and 13 deletions
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6
hardware/hackrf-one/baseband.sch
View File

@ -2443,12 +2443,12 @@ L R R33
U 1 1 527F334B
P 5100 9600
F 0 "R33" V 5180 9600 50 0000 C CNN
F 1 "0" V 5100 9600 50 0000 C CNN
F 1 "39" V 5100 9600 50 0000 C CNN
F 2 "" H 5100 9600 60 0001 C CNN
F 3 "" H 5100 9600 60 0001 C CNN
F 4 "Stackpole" H 5100 9600 60 0001 C CNN "Manufacturer"
F 5 "RMCF0402ZT0R00" H 5100 9600 60 0001 C CNN "Part Number"
F 6 "RES 0.0 OHM 1/16W 0402 SMD" H 5100 9600 60 0001 C CNN "Description"
F 5 "RMCF0402JT39R0" H 5100 9600 60 0001 C CNN "Part Number"
F 6 "RES 39 OHM 1/16W 5% 0402 SMD" H 5100 9600 60 0001 C CNN "Description"
1 5100 9600
0 1 1 0
$EndComp

2
hardware/hackrf-one/hackrf-one-cache.lib
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@ -1,4 +1,4 @@
EESchema-LIBRARY Version 2.3 Date: Thu Dec 12 15:48:09 2013
EESchema-LIBRARY Version 2.3 Date: Thu Dec 12 16:35:05 2013
#encoding utf-8
#
# +1.8V

6
hardware/hackrf-one/hackrf-one.brd
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@ -1,4 +1,4 @@
PCBNEW-BOARD Version 2 date Thu Dec 12 15:54:19 2013
PCBNEW-BOARD Version 2 date Thu Dec 12 16:35:21 2013
# Created by Pcbnew(2013-07-24 BZR 4024)-stable
@ -36,7 +36,7 @@ Layer[0] Back signal
Layer[1] Inner2 signal
Layer[2] Inner3 signal
Layer[15] Front signal
TrackWidth 0.254
TrackWidth 0.2794
TrackWidthList 0.1524
TrackWidthList 0.2032
TrackWidthList 0.254
@ -17002,7 +17002,7 @@ AR /50370666/527F334B
Op 0 0 0
.SolderMask 0.1016
T0 0 0.0508 0.4064 0.4064 900 0.1016 N V 21 N "R33"
T1 0 0.0508 0.4064 0.4064 900 0.1016 N I 21 N "0"
T1 0 0.0508 0.4064 0.4064 900 0.1016 N I 21 N "39"
DS 0.889 -0.381 0.889 0.381 0.2032 21
DS 0.889 0.381 -0.889 0.381 0.2032 21
DS -0.889 0.381 -0.889 -0.381 0.2032 21

12
hardware/hackrf-one/hackrf-one.net
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@ -1,7 +1,7 @@
(export (version D)
(design
(source /home/mossmann/src/hackrf/hardware/hackrf-one/hackrf-one.sch)
(date "Thu Dec 12 15:48:16 2013")
(date "Thu Dec 12 16:35:09 2013")
(tool "eeschema (2013-07-24 BZR 4024)-stable"))
(components
(comp (ref C53)
@ -2075,11 +2075,11 @@
(sheetpath (names /baseband/) (tstamps /50370666/))
(tstamp 527F2F05))
(comp (ref R33)
(value 0)
(value 39)
(fields
(field (name Manufacturer) Stackpole)
(field (name "Part Number") RMCF0402ZT0R00)
(field (name Description) "RES 0.0 OHM 1/16W 0402 SMD"))
(field (name "Part Number") RMCF0402JT39R0)
(field (name Description) "RES 39 OHM 1/16W 5% 0402 SMD"))
(libsource (lib device) (part R))
(sheetpath (names /baseband/) (tstamps /50370666/))
(tstamp 527F334B))
@ -4400,10 +4400,10 @@
(pin (num 7) (name HOLD) (type BiDi))
(pin (num 8) (name VCC) (type power_in)))))
(libraries
(library (logical conn)
(uri /usr/local/share/kicad/library/conn.lib))
(library (logical device)
(uri /usr/local/share/kicad/library/device.lib))
(library (logical conn)
(uri /usr/local/share/kicad/library/conn.lib))
(library (logical hackrf)
(uri ../kicad/hackrf.lib)))
(nets