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參數(shù)資料
| 型號： | TDA8260 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer |
| 中文描述： | 衛(wèi)星零中頻QPSK/8PSK與PLL合成器變頻器 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大?。?/td> | 143K |
| 代理商： | TDA8260 |
2004 Sep 03
11
Philips Semiconductors
Product specification
Satellite Zero-IF QPSK/8PSK
downconverter with PLL synthesizer
TDA8260TW
CHARACTERISTICS
T
amb
= 25
°
C; V
CC
= 5 V; R
L
= 1 k
and V
o(p-p)
= 750 mV on baseband output pins IBBOUT and QBBOUT; unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
CC
I
CC
V
CC(POR)
supply voltage
supply current
supply voltage threshold for
POR active
4.75
5.00
155
2.7
5.25
V
mA
V
Performance from RF inputs to I, Q outputs (from pins RFA, RFB to pins IBBOUT, QBBOUT)
P
L(LO)
LO power leakage through
pins RFA and RFB
75
dBm
G
v(RF-BBOUT)(max)
maximum voltage gain from pins
RFA, RFB to IBBOUT, QBBOUT
G
v
AGC range
V
o(p-p)
output voltage (peak-to-peak
value)
IP2i
2nd-order interception point
IP3i
3rd-order interception point
F
noise figure
V
AGC
= 3 V
55
57
dB
V
AGC
= 0 to 3 V
recommended value
48
50
750
dB
mV
at RF input; V
AGC
= 0 V
at RF input; V
AGC
= 0 V
at maximum gain;
V
AGC
= 3 V
in 22.5 MHz band
19
14
18
dBm
dBm
dB
G
v(IQ)
voltage gain mismatch between
I and Q
quadrature error (absolute
value)
1
dB
Eq
V
AGC
= 1.5 V;
V
o(p-p)
= 750 mV;
measured in baseband
in 30 MHz band
in 22.5 MHz band
f
ripple
= 60 MHz
0
3
deg
G
v(IQ)ripple
t
d(g)(IQ)(R)
RR
60
Pulling sensitivity
voltage gain ripple for I or Q
group delay ripple for I or Q
ripple rejection for I and Q
30
5
2
dB
ns
dB
3/4LO
sensitivity to pulling on the third
harmonic of the external VCO
sensitivity to pulling on the fifth
harmonic of the external VCO
see Table 9
40
35
dBc
5/4LO
see Table 9
40
35
dBc
VCO and synthesizer
f
osc
n(osc)
oscillator frequency range
oscillator phase noise
950
100
2175
94
MHz
dBc/Hz
in the satellite band;
f
offset
= 100 kHz; out of
PLL loop bandwidth
f
offset
= 1 and 10 kHz;
f
COMP
= 1 MHz with
appropriate loop filter
and charge pump
setting
n
phase noise on baseband
outputs
78
dBc/Hz
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