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參數(shù)資料
| 型號： | CX42053 |
| 英文描述： | CX42053 700 to 1000 MHz Front-End Receiver|Wireless Infrastructure RF/lF ICs:Receiver RF/IF Ics |
| 中文描述： | CX42053 700到1000 MHz的前端接收機(jī)|無線基礎(chǔ)設(shè)施射頻/低頻集成電路：接收機(jī)射頻/中頻IC的 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 241K |
| 代理商： | CX42053 |
Diversity Receiver Front End
CX42053
101431B
March 12, 2002
Skyworks
5
Proprietary Information and Specifications Are Subject to Change
Table 5. Full Channel Performance
(+ 25
°
C, Voltage Supply = ±5 V, LO = 0 dBm, RF Frequency = 900 MHz, IF Frequency = 110 MHz)
Parameter
Test Condition
Mn
Typical
Max
Units
RF input (Note 1)
1.5:1
2.0:1
VSWR
NF (Note 2)
3.0
5.5
dB
Gain (Note 3)
11
15
dB
Input IP3 (Note 4)
mxer bias = 80 mA
mxer bias = 55 mA
9
5.5
13
9.5
dBm
dBm
1 dB compression point (Note 5)
mxer bias = 80 mA
mxer bias = 55 mA
+1
–3
+5
+1
dBm
dBm
1/2 IF product suppression
–70
–60
dBc
Channel A to B isolation
35
40
dB
LO leakage at RF input
–40
–35
dBm
LO1 to LO2 isolation
35
40
dB
Supply current @ +5.0 V, both channels
Supply current @ –5.0 V, both channels
340
10
360
15
mA
mA
Note 1
: In a 50
systemobtained with external matching network on LNA and mxer input ports. See Figure 10 and Table 6 for network elements and
frequency ranges.
Note 2
: Calculated using the following equation:
+
10
+
×
=
10
G
10
1
Loss
NF
10
10
10
NF
Log
10
NF
LNA
IRfilter
Mixer
LNA
Cascaded
Note 3
: Calculated using the following equation:
Mixer
IRfilter
LNA
Cascaded
G
Loss
G
Gain
Conversion
+
=
Note 4:
Calculated using the following equation:
(
)
+
×
=
1
10
3
IIP
10
1
10
Loss
G
3
IIP
10
1
Log
10
3
IIP
LNA
IRfilter
LNA
Mixer
Note 5:
Calculated using the following equation:
less
is
whichever
P
or
Loss
G
(
P
P
LNA
dB
1
IRfilter
LNA
Mixer
dB
1
system
dB
1
),
(
))
(
,
,
,
=
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