Telit Wireless Solutions GM862-GPS Instrukcja Użytkownika Pobierz pdf (Strona 40)

GM862-GPS Hardware User Guide

1vv0300728 Rev. 0 - 27/04/06

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6.2 Output lines characteristics .

“Ear_MT” Differential Line-out Drivers

Path

• line coupling: DC

• line type: bridged

• output load resistance : ≥ 14 Ω

• internal output resistance: 4 Ω (typical)

• signal bandwidth: 150 - 4000 Hz @ -3 dB

• max. differential output voltage 1310 mV

rms

(typ, open circuit)

• differential output voltage 328mVrms /16 Ω @ -12dBFS

• SW volume level step - 2 dB

• number of SW volume steps 10

“Ear_HF” Power Buffers

path

• line coupling: DC

• line type: bridged

• output load resistance : ≥ 14 Ω

• internal output resistance: 4 Ω ( >1,7 Ω )

• signal bandwidth: 150 - 4000 Hz @ -3 dB

• max. differential output voltage 1310 mV

rms

(typ, open circuit)

• max. single ended output voltage 656 mV

rms

(typ, open circuit)

• SW volume level step - 2 dB

• number of SW volume steps 10

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