Sun Nov 14 03:57:21 2010
options
id
fm_rx
_enabled
True
title
FM Receiver
author
OZ9AEC
description
Simple FM receiver prototype
window_size
1280, 1024
generate_options
wx_gui
category
Custom
run
True
realtime_scheduling
_coordinate
(10, 10)
_rotation
0
variable
id
samp_rate
_enabled
True
value
64e6/256
_coordinate
(170, 9)
_rotation
0
gr_simple_squelch_cc
id
gr_simple_squelch_cc_0
_enabled
True
threshold
sql_lev
alpha
1
_coordinate
(882, 336)
_rotation
0
low_pass_filter
id
low_pass_filter
_enabled
True
type
fir_filter_ccf
decim
5
interp
1
gain
1
samp_rate
samp_rate
cutoff_freq
width/2
width
trans
window
WIN_HAMMING
beta
6.76
_coordinate
(672, 299)
_rotation
0
variable_slider
id
width
_enabled
True
label
Filter
value
10000
min
2000
max
40000
num_steps
760
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
7,0,1,1
notebook
_coordinate
(11, 386)
_rotation
0
variable_slider
id
trans
_enabled
True
label
Trans
value
1500
min
500
max
5000
num_steps
900
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
8,0,1,1
notebook
_coordinate
(7, 525)
_rotation
0
blks2_rational_resampler_xxx
id
blks2_rational_resampler_xxx_1
_enabled
True
type
ccc
decim
500
interp
441
taps
[]
fractional_bw
0
_coordinate
(257, 502)
_rotation
0
variable_slider
id
offset_coarse
_enabled
True
label
Coarse tune
value
0
min
-120000
max
120000
num_steps
960
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
6,2,1,2
notebook
_coordinate
(12, 106)
_rotation
0
variable_slider
id
offset_fine
_enabled
True
label
Fine tune
value
0
min
-1000
max
1000
num_steps
400
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
6,0,1,2
notebook
_coordinate
(12, 244)
_rotation
0
variable
id
LO
_enabled
True
value
0
_coordinate
(268, 8)
_rotation
0
variable_slider
id
af_gain
_enabled
True
label
VOL
value
1
min
0
max
5
num_steps
50
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
8,1,1,1
notebook
_coordinate
(143, 671)
_rotation
0
variable_slider
id
rf_gain
_enabled
True
label
RF
value
20
min
0
max
50
num_steps
50
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
7,1,1,1
notebook
_coordinate
(8, 670)
_rotation
0
blks2_nbfm_rx
id
nbfm_normal
_enabled
True
audio_rate
44100
quad_rate
44100
tau
75e-6
max_dev
5e3
_coordinate
(481, 502)
_rotation
0
blks2_nbfm_rx
id
nbfm_narrow
_enabled
True
audio_rate
44100
quad_rate
44100
tau
75e-6
max_dev
2.5e3
_coordinate
(485, 599)
_rotation
0
blks2_selector
id
blks2_selector_0
_enabled
True
type
float
num_inputs
2
num_outputs
1
input_index
fmn
output_index
0
vlen
1
_coordinate
(724, 558)
_rotation
0
gr_multiply_const_vxx
id
gr_multiply_const_vxx_1
_enabled
True
type
float
const
af_gain
vlen
1
_coordinate
(901, 571)
_rotation
0
audio_sink
id
audio_sink_0
_enabled
True
samp_rate
44100
device_name
ok_to_block
True
num_inputs
2
_coordinate
(1091, 541)
_rotation
0
variable
id
xlate_filter_taps
_enabled
True
value
firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
_coordinate
(392, 238)
_rotation
0
variable_slider
id
sql_lev
_enabled
True
label
SQL
value
0
min
-100
max
100
num_steps
200
style
wx.SL_HORIZONTAL
converver
float_converter
grid_pos
7,2,1,1
notebook
_coordinate
(281, 672)
_rotation
0
wxgui_fftsink2
id
fftsink
_enabled
True
type
complex
title
samp_rate
samp_rate
baseband_freq
rx_freq*display_selector
y_per_div
10
y_divs
10
ref_level
0
fft_size
512
fft_rate
15
peak_hold
False
average
True
avg_alpha
0.5
grid_pos
0,0,5,4
notebook
_coordinate
(670, 82)
_rotation
0
variable_static_text
id
lo_freq
_enabled
True
label
LO
value
LO
converver
float_converter
formatter
None
grid_pos
5,2,1,1
notebook
_coordinate
(169, 86)
_rotation
0
gr_freq_xlating_fir_filter_xxx
id
xlating_fir_filter
_enabled
True
type
ccc
decim
1
taps
xlate_filter_taps
center_freq
-(offset_coarse+offset_fine)
samp_rate
samp_rate
_coordinate
(389, 321)
_rotation
0
variable_static_text
id
rx_freq
_enabled
True
label
Receive
value
LO+freq+(offset_coarse+offset_fine)
converver
float_converter
formatter
None
grid_pos
5,3,1,1
notebook
_coordinate
(491, 10)
_rotation
0
variable_text_box
id
freq
_enabled
True
label
USRP
value
430000000
converver
float_converter
formatter
None
grid_pos
5,1,1,1
notebook
_coordinate
(339, 9)
_rotation
0
usrp2_source_xxxx
id
usrp2_source_xxxx_0
_enabled
True
type
complex
interface
mac_addr
decimation
400
frequency
rx_freq
lo_offset
float('inf')
gain
0
_coordinate
(185, 273)
_rotation
0
variable_chooser
id
fmn
_enabled
True
label
DEV
value
0
choices
[0,1]
labels
['5k','2k5']
type
drop_down
style
wx.RA_HORIZONTAL
grid_pos
8,2,1,1
notebook
_coordinate
(825, 9)
_rotation
0
variable_chooser
id
display_selector
_enabled
True
label
Spectrum
value
0
choices
[0, 1]
labels
['Baseband','USRP']
type
drop_down
style
wx.RA_HORIZONTAL
grid_pos
5,0,1,1
notebook
_coordinate
(983, 12)
_rotation
0
xlating_fir_filter
fftsink
0
0
blks2_rational_resampler_xxx_1
nbfm_normal
0
0
gr_simple_squelch_cc_0
blks2_rational_resampler_xxx_1
0
0
xlating_fir_filter
low_pass_filter
0
0
low_pass_filter
gr_simple_squelch_cc_0
0
0
gr_multiply_const_vxx_1
audio_sink_0
0
1
gr_multiply_const_vxx_1
audio_sink_0
0
0
blks2_rational_resampler_xxx_1
nbfm_narrow
0
0
nbfm_normal
blks2_selector_0
0
0
nbfm_narrow
blks2_selector_0
0
1
blks2_selector_0
gr_multiply_const_vxx_1
0
0
usrp2_source_xxxx_0
xlating_fir_filter
0
0