User's Manual

GC864 Hardware User Guide
1vv0300733 Rev. 0 - 12/06/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 29 of 68
Ear_MT-
Ear_MT+
+20dB
365mV
rms
Mic_MT+
Mic_MT-
7cm
GC864
Differential
Line-Out Drivers
Fully Differential Power Buffers
EXTERNAL
AMPLIFIER
-12dBFS
16
8
-45dBV/Pa
3,3mV
16
+10dB
-45dBV/Pa
0,33mV
Mic_HF-
Ear_HF-
Balance
Single
ended
23mV
rms
Mic_HF+
Ear_HF+
50cm
GC864 Audio Paths
egolite.sk