參數(shù)資料
型號(hào): UAA3515AHL
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 無(wú)繩電話/電話
英文描述: 900 MHz analog cordless telephone IC
中文描述: TELECOM, CORDLESS, RF AND BASEBAND CIRCUIT, PQFP64
封裝: 10 X 10 X 1.40 MM, PLASTIC, LQFP-64
文件頁(yè)數(shù): 16/44頁(yè)
文件大?。?/td> 180K
代理商: UAA3515AHL
2001 Dec 12
16
Philips Semiconductors
Product specification
900 MHz analog cordless telephone IC
UAA3515A
handbook, full pagewidth
FCA299
25
CCAP
COMPRESSOR
HARD
LIMITER
TX MUTE
TX GAIN
ALC
VB
28
MICO
MICROPHONE
AMPLIFIER
29
CMPI
27
MICI
26 TXO
UAA3515A
Fig.8 TX baseband block diagram.
handbook, halfpage
VTXO
(dBV)
60
40
20
0
VCMPI (dBV)
(1)
(2)
(3)
20
30
40
20
10
FCA170
y =
1
/
2
×
5
Fig.9 Compressor characteristic showing TXO as a function of CMPI.
(1) Slowly changing ALC signals:
V
CPMI
=
16 dBV;
V
TXO
=
13 dBV.
(2) V
CPMI
=
2.5 dBV;
V
TXO
=
11.5 dBV.
(3) Hard limiting signals:
V
CPMI
=
4 dBV;
V
TXO
=
1.26 V (p-p).
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