DA9090B.001
January 14, 1998
TRANSMISSION CHARACTERISTICS
◆ Distortion
(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30°C to +85°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min
Typ Max
Unit
Signal to total distortion TX
(up to 35 dB gain)
Typical values measured
with 35 dB gain
STDTX
Sinusoidal test method (Linear
300 Hz to 3400 Hz weighting).
Level = 0 dBm0
56
50
48
43
38
24
15
64
60
57
53
44
29
19
dB
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -45 dBm0
Level = -55 dBm0
Single frequency distortion
transmit
Signal to total distortion
SP1/SP2
SDTX
0 dBm0 input signal
-70
-56
dB
dB
STDSP1
STDSP2
Sinusoidal test method (Linear
300 Hz to 3400 Hz weighting).
Load is 1000 or 30 Ω.
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -45 dBm0
Level = -55 dBm0
-6 dBm0 input signal
(up to 20 dB attenuation)
45*
45*
43*
38*
24*
15*
50
60
60
55
50
40
28
-62
48
43
38
24
15
Single frequency distortion
receive SP1/SP2
Signal to distortion of tone
generator signals
SDSP1
SDSP2
STONE
-45
-46
dB
dB
DTMF frequencies
Linear 300 Hz to 3400 Hz
weighting.
Loop around measurement
voltage at MIC = -10 dBm0 to -
27 dBm0, 2 frequencies in the
range 300 Hz to 3400 Hz
28
42
Intermodulation
IMD
-61
dB
*max. load (30Ω) and min. Vcc (2.7V)
◆ Crosstalk
(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30
°
C to +85 C, unless otherwise specified)
°
Parameter
Symbol Conditions
Min
Typ Max
Unit
Transmit to receive
CTX-RX Transmit level = 0 dBm0
-82
-65
dB
f = 300 Hz to 3400 Hz
RX = quiet PCM code
Receive level = -6 dBm0
f = 300 Hz to 3400 Hz
MIC = 0V
Receive to transmit
CRX-TX
-75
-60
dB
11
MICRONAS [ MICRONAS ]
