ASAHI KASEI
[AK2358FI
A n a l o g
C h a r a c t e r i s t i c
s
1
I
f=lkHz, PCONT=’’1”, TC=”l”, EM=’’1”, VR1 to VR4=OdB: unless otherwise specified,
OdBm=O.775Vrms
OdBx=-5dBm at AVDD=2V Note 8)
1) TX system
Parameter
Standard input level
@TXINO
Absolute gain
TXINO--+MOD
Note 1)
MOD lkHz
Limiter level
Note 1)
No external R
Adjustment range by
external R
Compressor linearity TXINO~MOD Note 1) 2)
TXINO=-44dBx
TXINO=-50dBx
Noise without input
TXINO+MOD
Note 1) 3)
Compressor distortion TXINO-hlOD
TXINO=-10dBx
Transmission MSK
Note 1)
@MOD
signal level
1.2kHz signal output
Transmission MSK
Note 1)
@MOD
signal distortion
1.2kHz si~nal outDut
2) RX system
Parameter
max
Standard input level @RXINO
Absolute gain
RXINO~BUFON, BUFOP
0
-1.5
Note 1)
RXINO-BUFON, BUFOP
Expander linearity
Note 1) 4)
RXINO=-25dBx
-33.0
-30.0
t
-27.0
RXINO=-30dBx
-45.0
-40.0
-35.0
Noise with no input
RXINO-BUFON, BUFOP
-70
Xote 1)
3)
Expander distortion
RXINO~RXAF
RXINO=-5dBx
Reception MSK
@RXINO
signal level
1.2kHz signal output
Unit
I dBx
min
2.0
-4.5
typ
-lo
3.5
-3.5
max
5.0
-2.5
-2.5
Unit
dBx
dB
dBx
-
-20
-24
-17.0
-20.0
-14
-16
-36.5
-35
dB
dBm
dB
dBx
dB
-4.5
-3.5
-2.5
-32
T
-L
dB
I
dBm
T
0152-E-00
1996 12
8
AKM [ ASAHI KASEI MICROSYSTEMS ]
