1 files changed, 69 insertions, 0 deletions
diff --git a/gr-channels/python/channels/phase_noise_gen.py b/gr-channels/python/channels/phase_noise_gen.py
new file mode 100644
index 0000000000..95c5676e40
--- /dev/null
+++ b/gr-channels/python/channels/phase_noise_gen.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: Phase Noise Generator
+# Author: mettus
+# Generated: Thu Aug  1 11:59:39 2013
+##################################################
+
+from gnuradio import analog
+from gnuradio import blocks
+from gnuradio import filter
+from gnuradio import gr
+from gnuradio.filter import firdes
+
+class phase_noise_gen(gr.hier_block2):
+
+    def __init__(self, noise_mag=0, alpha=0.1):
+        gr.hier_block2.__init__(
+            self, "Phase Noise Generator",
+            gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
+            gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
+        )
+
+        ##################################################
+        # Parameters
+        ##################################################
+        self.noise_mag = noise_mag
+        self.alpha = alpha
+
+        ##################################################
+        # Blocks
+        ##################################################
+        self.filter_single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(alpha, 1)
+        self.blocks_transcendental_0_0 = blocks.transcendental("sin", "float")
+        self.blocks_transcendental_0 = blocks.transcendental("cos", "float")
+        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
+        self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
+        self.analog_noise_source_x_0 = analog.noise_source_f(analog.GR_GAUSSIAN, noise_mag, 42)
+
+        ##################################################
+        # Connections
+        ##################################################
+        self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 1))
+        self.connect((self.analog_noise_source_x_0, 0), (self.filter_single_pole_iir_filter_xx_0, 0))
+        self.connect((self.blocks_multiply_xx_0, 0), (self, 0))
+        self.connect((self, 0), (self.blocks_multiply_xx_0, 0))
+        self.connect((self.filter_single_pole_iir_filter_xx_0, 0), (self.blocks_transcendental_0, 0))
+        self.connect((self.filter_single_pole_iir_filter_xx_0, 0), (self.blocks_transcendental_0_0, 0))
+        self.connect((self.blocks_transcendental_0, 0), (self.blocks_float_to_complex_0, 0))
+        self.connect((self.blocks_transcendental_0_0, 0), (self.blocks_float_to_complex_0, 1))
+
+
+# QT sink close method reimplementation
+
+    def get_noise_mag(self):
+        return self.noise_mag
+
+    def set_noise_mag(self, noise_mag):
+        self.noise_mag = noise_mag
+        self.analog_noise_source_x_0.set_amplitude(self.noise_mag)
+
+    def get_alpha(self):
+        return self.alpha
+
+    def set_alpha(self, alpha):
+        self.alpha = alpha
+        self.filter_single_pole_iir_filter_xx_0.set_taps(self.alpha)
+
+