Globalstar Product Management – Technical Support

GSP-1720 (SDVM) Audio Specifications

The GSP-1720 audio system is designed to support Voice Calls. The audio system is designed to function in a near field application such as a headset or a handset.

Audio levels at the 22-pin connector are as follows:

Audio OUT

  • Output impedance = 10 ohms, intended to drive a 16 ohms load
  • Freq response = 300 Hz to 3300 Hz
  • Output power = 8 mW into 16 ohm full scale out with VDD 2.5 V-2.7 V
  • Power Supply rejection ratio = 45 dB

Audio IN

  • Input Impedance = 35 Kohms
  • Freq response = 300 Hz to 3300 Hz
  • Max Input Voltage = 64.5 Vrms

Additional keywords:  1720, sdvm

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Written by Joseph Crowley

April 22, 2011 at 4:34 pm

Posted in GSP-1720

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