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參數(shù)資料
| 型號： | RF2483 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-20 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 423K |
| 代理商： | RF2483 |
Preliminary
5-33
RF2483
Rev A2 010904
5
M
U
*=Not tested in production
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Variable Gain Amplifiers
Low Band
V
CC
=2.7V, EN=2.7V, Bandsel=0V,
FLO=0dBm, PLO=900MHz, LO LB and RF
OUT LB ports are matched to 50
. Input IQ
1.2Vdc, signals driven differentially and in
quadrature from a 50
source impedance.
T
A
=25
o
C
Gain Control Voltage Range
Gain Control Range
0
2.0
V
dB
32
36
Difference between output power at
GC=2.0V and 0.5V
Calculated using output power at GC=1.0V
and 1.5V
Gain Control Slope
27
33
dB/V
Gain Control Input Impedance*
Output Power
10
0.8
-6
-21
-35
-156.4
-157.2
+6
+19
k
dB
dB
dB
dB
-3
-10
-25
-38
3
-4
-19
-32
GC=2.0V, IQ=800mV
P-P
at 100kHz
GC=1.5V, IQ=800mV
P-P
at 100kHz
GC=1.0V, IQ=800mV
P-P
at 100kHz
GC=0.5V, IQ=800mV
P-P
at 100kHz
GC=2.0V, IQ=800mV
P-P
at 100kHz
GC=2.0V, IQ=0mV
P-P
IQ at 100kHz
GC=2.0V. Extrapolated from IM3 with two
baseband tones at 90kHz and 110kHz
applied differentially, in quadrature, at both I
and Q inputs, each tone 400mV
P-P
.
Two baseband tones at 90kHz and 110kHz
applied at both I and Q inputs, each tone
400mV
P-P
.
Output Noise at FLO+20MHz*
dBm/Hz
dBm/Hz
dBm
dBm
Output P1dB*
Output IP3*
Intermodulation IM3 tone at
FLO+70kHz and
FLO+130kHz relative to tone
at FLO+90kHz
40
40
30
25
47
49
41
31
dBc
dBc
dBc
dBc
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
MODE
Sleep
EN
0
BANDSEL
X
COMMENTS
I/Q and GC inputs go open circuit through the
use of a FET switch in sleep mode.
LO input LO HB
RF output=RF OUT HB
LO input LO LB
RF output=RF OUT LB
High Band Mode
1
1
Low Band Mode
1
0
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| RF2483_06 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC |
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