The highly configurable GB3215/GB3225 digital processor provides excellent versatility, with independent channel compression characteristics, including five parameter I/O curve adjustment. Each channel contains Sound Design Technologies' proven twin detector arrangement with fully programmable time constants. All programmable parameters, including the three crossover frequencies, offer generous adjustment ranges and excellent resolution.

• Gennum Feedback Manager Software
• Dual, high performance, 64X oversampled A/Ds
• Head Room Extension (HRX™) for effective dynamic range of >90dB
• Inputs up to 115dBSPL cleanly handled without compromising low-level performance
• Embedded, easy to implement FRONTWAVE® directional technology with full phase and gain compensation for mismatched microphones
• Power-on-Reset (POR) circuit:
  • GB3215 - Deep Reset
  • GB3225 - Shallow Reset
• Memory change indicator tones
• Low level expansion
• Internal tone generator
• Flexible Filtering Capability using Filter Designer Plus
• Variable notch filter with dynamic (gain dependent) depth
• AGCo compression limiting
• Wideband gain adjustment with external VC option
• High performance oversampled D/A and efficient switched-mode power amp (drives zero biased receivers)
• 16kHz bandwidth
• Total processing and algorithm time delay <2ms
• Iamp <700 µA
• Low battery indicator
• Compact size enabling CIC applications

thinSTAX® enabled0.227 x 0.125 x 0.060 in.
[5.76 x 3.18 x 1.52 mm]

• Data Sheet

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• Getting Started
• Paragon PAL Configuration
• BIQUAD Filters in Paragon
• Telecoil Conpensation Filters
• DIGITAL Reference Guide
• Serial Interface Specification
• Cal/Config User's Guide for mARK2™

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• Non-Product-Specific Documentation
• Software Packages