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[Commit-gnuradio] r7530 - gnuradio/trunk/gr-usrp/src
From: |
matt |
Subject: |
[Commit-gnuradio] r7530 - gnuradio/trunk/gr-usrp/src |
Date: |
Wed, 30 Jan 2008 15:46:25 -0700 (MST) |
Author: matt
Date: 2008-01-30 15:46:24 -0700 (Wed, 30 Jan 2008)
New Revision: 7530
Modified:
gnuradio/trunk/gr-usrp/src/db_xcvr2450.py
Log:
minor refclk and pll changes
Modified: gnuradio/trunk/gr-usrp/src/db_xcvr2450.py
===================================================================
--- gnuradio/trunk/gr-usrp/src/db_xcvr2450.py 2008-01-30 22:28:15 UTC (rev
7529)
+++ gnuradio/trunk/gr-usrp/src/db_xcvr2450.py 2008-01-30 22:46:24 UTC (rev
7530)
@@ -101,7 +101,7 @@
self.frac_div = 0 # 0 = min, 65535 = max
self.highband = 0 # 0 = freq <= 5.4e9, 1 = freq > 5.4e9
self.five_gig = 0 # 0 = freq <= 3.e9, 1 = freq > 3e9
- self.cp_current = 0 # 0 = 2mA, 1 = 4mA
+ self.cp_current = 1 # 0 = 2mA, 1 = 4mA
self.ref_div = 4 # 1 to 7
self.rssi_hbw = 0 # 0 = 2 MHz, 1 = 6 MHz
self.txlpf_bw = 1 # 1 = 12 MHz, 2 = 18 MHz, 3 = 24 MHz
@@ -363,11 +363,11 @@
def set_freq(self, target_freq):
if target_freq > 3e9:
self.five_gig = 1
- self.ref_div = 3
+ self.ref_div = 2
scaler = 4.0/5.0
else:
self.five_gig = 0
- self.ref_div = 4
+ self.ref_div = 2
scaler = 4.0/3.0;
if target_freq > 5.4e9:
@@ -376,7 +376,8 @@
self.highband = 0
vco_freq = target_freq*scaler;
- ref_clk = self.u.fpga_master_clock_freq() # Assumes AD9515 is bypassed
+ #ref_clk = self.u.fpga_master_clock_freq() # Assumes AD9515 is
bypassed
+ ref_clk = 32e6 # AD9515 set up as div by 2
phdet_freq = ref_clk/self.ref_div
div = vco_freq/phdet_freq
self.int_div = int(math.floor(div))
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