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RF212 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # RF212
Description  Image-Reject Front End for Dual or Tri-Band GSM Applications
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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RF212 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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RF212
Image-Reject Front End
4
Conexant
100780D
May 24, 2000
Proprietary Information and Specifications are Subject to Change
Table 5. Absolute Maximum Ratings
Parameter
Minimum
Maximum
Units
Storage Temperature
−40
+125
°C
Supply Voltage (VCC)
−0.3
+3.6
V
Input Voltage Range
−0.3
Vcc
V
Table 6. RF212 Recommended Operating Conditions
Parameter
Min
Typical
Max
Units
Supply Voltage
2.7
3.0
3.6
V
Operating Temperature
−30
+25
+85
°C
Table 7. RF212 Electrical Specifications (1 of 3)
(TA = 25
°°°°C, Vcc = 2.7 V, fIF = 400 MHz, Plo = −−−−10 dBm)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
EGSM900 Mode
Supply current::
Enable mode
Sleep mode
ENA = 1
ENA = 0
15
30
mA
µA
RF Input frequency
925
960
MHz
IF frequency
fIF
350
400
450
MHz
LO to RF input isolation
30
dB
Input impedance
50
Power gain (for 2 k
Ω differential output impedance):
High gain mode
Low gain mode 1
Low gain mode 2
Gain step 1
Gain step 2
Temperature coefficient
Gain variation versus frequency
GMAX1
GMIN1
GMIN2
GSTEP1
GSTEP2
FTC1
GAINSEL = 0
GAINSEL = 1, STEPSEL = 1
GAINSEL = 1, STEPSEL = 0
20
–24
–14
22
0
10
–22
–12
–0.02
25
–20
–10
0.8
dB
dB
dB
dB
dB
dB/
°C
dB
Noise figure:
High gain
Low gain mode 1
Low gain mode 2
GAINSEL = 0
GAINSEL = 1, STEPSEL = 1
GAINSEL = 1, STEPSEL = 0
2.3
18
10
3.5
dB
dB
dB
Noise figure degradation with blocker:
High gain
−22 dBm blocker,
GAINSEL = 0 (Note 1)
1.6
dB
Input 1 dB compression point
IP1DB
high gain mode
low gain mode
−22
−18
–20
–13
dBm
dBm
Input third order intercept point
IP3
−12
dBm
Differential IF shunt output resistance
2
k
Image rejection:
fIF = 400 MHz
fIF = 350 or 450 MHz
35
25
50
dB
dB


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