SARA-G3 series - System Integration Manual
UBX-13000995 - R06 Objective Specification System description
Page 21 of 218
Supply output (2.2 V typ) for external
microphone.
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.
Microphone
analog reference
Local ground for the external microphone
(reference for the analog audio uplink path).
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.
Differential analog
audio input
(negative)
Differential analog audio signal input (negative)
shared for all the analog uplink path modes:
handset, headset, hands-free mode.
No internal DC blocking capacitor.
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.
Differential analog
audio input
(positive)
Differential analog audio signal input (positive)
shared for all the analog uplink path modes:
handset, headset, hands-free mode.
No internal DC blocking capacitor.
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.
Differential analog
audio output
(positive)
Differential analog audio signal output (positive)
shared for all the analog downlink path modes:
earpiece, headset and loudspeaker mode.
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.
Differential analog
audio output
(negative)
Differential analog audio signal output (negative)
shared for all the analog downlink path modes:
earpiece, headset and loudspeaker mode.
See section 1.10.11.10.1 for functional description.
See section 2.6.12.6.1 for external circuit design-
in.