參數(shù)資料
型號(hào)： PCF50732
廠商： NXP Semiconductors N.V.
英文描述： Baseband and audio interface for GSM
中文描述： 用于GSM基帶和音頻接口
文件頁(yè)數(shù)： 46/64頁(yè)
文件大?。?/td> 322K
代理商： PCF50732
1999 May 03
46
Philips Semiconductors
Objective specification
Baseband and audio interface for GSM
PCF50732
18 FUNCTIONAL CHARACTERISTICS
18.1
V
DDA
= 2.5 to 2.75 V; T
amb
=
40 to +85
°
C.
Baseband transmit (BSI to TXI/Q)
Notes
1.
2.
Measured at full-scale; load: 10 pF // 10 k
; f = 67 kHz.
Not tested. Defined between the rising edge of BIOCLK which latches a data bit at BDIO to its corresponding
maximum phase change on the analog outputs ITX and QTX.
Not tested.
3.
SYMBOL
PARAMETER
CONDITIONS
MIN.
0.9
TYP.
MAX.
UNIT
RES
TXIQ
S/N
TXIQ
FSIN
TXIQ
V
O(TXIQ)(p-p)
resolution of TX DACs
signal-to-noise TX DACs
input sampling frequency
output signal amplitude (peak-to-peak
value)
output DC level
output amplitude matching between
I and Q TX paths
10
55
270.833
1.0
bit
dB
kHz
V
note 1
1.1
V
DC(TXIQ)
AMAT
TXIQ
1.15
1.75
0.15
4.5
1.25
1.35
+1.75
+0.15
+4.5
V
%
dB
mV
note 1
VOFS
TXIQ
differential DC offset voltage between
IP/IN or QP/QN
frequency response of random output
signal
note 1
FRESP
TXIQ
f = 0 to 100 kHz
f = 200 kHz
f = 250 kHz
f = 400 kHz
f = 600 kHz
f = 1200 kHz
f > 1800 kHz
note 2
note 1
measured at full-scale;
10 kHz < f < 100 kHz;
load: 10 pF // 10 k
note 1
random input pattern;
notes 1 and 3
3
22
10
100
30
33
60
70
70
70
40
dB
dB
dB
dB
dB
dB
dB
μ
s
μ
s
ns
ns
MPEI
TXIQ
AGD
TXIQ
GDL
TXIQ
GDMAT
TXIQ
maximum phase effect instance
absolute group delay
group delay linearity
group delay matching of I and Q TX paths
PMAT
TXIQ
PTERMS
TXIQ
PTEPEAK
TXIQ
peak phase trajectory error
phase matching of I and Q TX paths
RMS phase trajectory error
0.5
0.5
1.5
0.8
3.0
deg
deg
deg
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