Enfora Enabler II-G Integration Manual page 39

Integration Guide
Version 1.01
6.8.11 Handset Microphone Input
Parameter
Maximum Input Range –
Mic(+) to Mic(-)
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential Input Resistance –
Mic(+) to Mic(-)
Microphone Pre-Amplifier Gain
Bias Voltage on Mic(+)
Mic Bias Current Capability
6.8.12 Handset Speaker Output
Parameter
Maximum Swing –
Ear(+) to Ear(-)
Maximum Capacitive Load –
Ear(+) to Ear(-)
Amplifier Gain
Amplifier State in Power Down
Enfora recommends an external audio amplifier for loads of less than 16 Ω or if volume is inadequate.
6.8.13 Headset Microphone Input
Parameter
Maximum Input Range –
Mic(+) to Mic(-)
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential Input Resistance –
Mic(+) to Mic(-)
Microphone Pre-Amplifier Gain
Bias Voltage on Mic(+)
Mic Bias Current Capability
6.8.14 Headset Speaker Output
Parameter
Maximum Swing –
HS Spkr (+) to (-)
Maximum Capacitive Load –
HS Spkr (+) to (-)
Amplifier Gain
Amplifier State in Power Down
The headset speaker output is a single ended output. Enfora recommends an external audio amplifier for
loads of less than 32 Ω or if volume is inadequate.
GSM0108PB001
Conditions
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA
gain set to 0 dB)
2.0 or 2.5 V
Conditions
= 32 Ω & 5% distortion
R
L
High Z
Conditions
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA
gain set to 0 dB)
2.0 or 2.5 V
Conditions
= 32 Ω & 5% distortion
R
L
High Z
Page 38
MIN TYP MAX
32.5
m
-10
100
25.6
2.0 2.5
0 0.5
MIN TYP MAX
1.2 1.5
100
1
MIN TYP MAX
32.5
m
-10
100
25.6
2.0 2.5
0 0.5
MIN TYP MAX
1.6 1.96
100
-7 -5
1.01 – 01/21/05
UNIT
Vrms
dBm0
kΩ Ω Ω Ω
dB
Vdc
mA
UNIT
V
pp
pF
dB
UNIT
Vrms
dBm0
kΩ Ω Ω Ω
dB
Vdc
mA
UNIT
V
pp
pF
dB