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diff --git a/gr-analog/include/gnuradio/analog/agc2_ff.h b/gr-analog/include/gnuradio/analog/agc2_ff.h
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+++ b/gr-analog/include/gnuradio/analog/agc2_ff.h
@@ -0,0 +1,76 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2006,2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_ANALOG_AGC2_FF_H
+#define INCLUDED_ANALOG_AGC2_FF_H
+
+#include <gnuradio/analog/api.h>
+#include <gnuradio/analog/agc2.h>
+#include <gnuradio/sync_block.h>
+
+namespace gr {
+  namespace analog {
+
+    /*!
+     * \brief high performance Automatic Gain Control class with
+     * attack and decay rates.
+     * \ingroup level_controllers_blk
+     *
+     * \details
+     * Power is approximated by absolute value
+     */
+    class ANALOG_API agc2_ff : virtual public sync_block
+    {
+    public:
+      // gr::analog::agc2_ff::sptr
+      typedef boost::shared_ptr<agc2_ff> sptr;
+            
+      /*!
+       * Build a floating point AGC loop block with attack and decay rates.
+       *
+       * \param attack_rate the update rate of the loop when in attack mode.
+       * \param decay_rate the update rate of the loop when in decay mode.
+       * \param reference reference value to adjust signal power to.
+       * \param gain initial gain value.
+       * \param max_gain maximum gain value (0 for unlimited).
+       */
+      static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2,
+		       float reference = 1.0,
+		       float gain = 1.0, float max_gain = 0.0);
+
+      virtual float attack_rate() const = 0;
+      virtual float decay_rate() const = 0;
+      virtual float reference() const = 0;
+      virtual float gain() const = 0;
+      virtual float max_gain() const = 0;
+      
+      virtual void set_attack_rate(float rate) = 0;
+      virtual void set_decay_rate(float rate) = 0;
+      virtual void set_reference(float reference) = 0;
+      virtual void set_gain(float gain) = 0;
+      virtual void set_max_gain(float max_gain) = 0;
+    };
+
+  } /* namespace analog */
+} /* namespace gr */
+
+#endif /* INCLUDED_ANALOG_AGC2_FF_H */