User's Manual

Telit GE863-QUAD / GE863-PY
Hardware User guide
1vv0300697, Rev. ISSUE#0, - 21/11/05
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external speaker path ( EAR_HF+ , EAR_HF- )
• line coupling: DC
• line type: bridged
• speaker impedance (operating conditions): ≥ 16 Ω ± 15% @ 1kHz
• minimum load impedance: 15 Ω
• signal bandwidth: 150 - 8000 Hz @ -3 dB
• maximum differential output: 425 mV
rms
• rated output power: 2.5 mW
• maximum power output: 7.5 mW
• volume level steps (SW): - 2 dB
•
number of volume steps (SW): 10
The EVK v.1.2 audio output characteristics are:
internal/external ear single ended
• line coupling: AC
• line type: single ended referred to GND
• speaker impedance (operating conditions): ≥ 8 Ω
• minimum load impedance: 8 Ω
• signal bandwidth: 150 - 8000 Hz @ -3 dB
• maximum output: 800 mV
rms
• maximum power output: 80 mW @ 8 Ω
• THD+N 1% @ 80mW
internal/external ear bridged
• line coupling: DC
• line type: bridged not referred to GND
• speaker impedance (operating conditions): ≥ 8 Ω
• minimum load impedance: 8 Ω
• signal bandwidth: 150 - 8000 Hz @ -3 dB
• maximum output: 1.6 V
rms
• maximum power output: 320 mW @ 8 Ω
• THD+N 1% @ 330mW