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RF210A Datasheet PDF : 8 Pages
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RF210(A/B)
Image-Reject Downconverter
Table 4. RF210(A/B) Electrical Specifications (2 of 2)
(TA = 25 C, Vcc = 3.0 V, fIF = 400 MHz, Plo = –10 dBm)
Parameter
Test Condition
Min Typical Max
Supply current:
Enable mode
Sleep mode
DCS1800/PCS1900 Mode, BANDSEL = 1
ENA = 1
ENA = 0
42
250
RF input frequency
IF frequency
LO frequency
LO to RF input isolation
Input impedance
LNA1800IN = 1900 MHz
1805
1990
350
400
450
1355
1640
30
40 – j10
Gain:
High gain (RF210A and RF210B)
Low gain (8 dB attenuation, RF210A)
Low gain (16 dB attenuation, RF210B)
Gain variation vs. Frequency
Gain step tracking error
Noise figure:
High gain (19 dB gain, RF210A and RF210B)
Low gain (11 dB gain, RF210A)
Low gain (3 dB gain, RF210B)
High gain (19 dB gain, RF210A and RF210B)
(Note 3)
Input 1 dB compression point
Input third order intercept point
IF shunt resistance/side
GAINSEL = 0
GAINSEL = 1
GAINSEL = 1
No blocker,
GAINSEL = 0
GAINSEL = 1
GAINSEL = 1
–22 dBm blocker,
GAINSEL = 0
19
11
3
0.5
1
0.5
3.5
4.5
9.0
11
15
16
4.1
–24
–17
400
500
600
Spurious response (Note 2):
2(RF) x 2(LO) and 3(RF) x 3(LO)
Interferer = –65 dBm
Image rejection
Control Signals (All Modes)
Enable (ENA) and gain select (GAINSEL) input voltages:
VIH
VIL
Enable (ENA) and gain select (GAINSEL) input currents:
IIH
IIL
–53
35
1.9
0.8
20
100
–10
–1
0
Enable time
15
Bandselect switching time
15
Note 1: Assumes 0 dBm @ 915 MHz blocker at the antenna input attenuated by 28 dB.
Note 2: The rejection is specified with respect to the desired signal gain.
Note 3: Assumes –12 dBm @ 1785 MHz blocker at the antenna input attenuated by 10 dB.
Units
mA
µA
MHz
MHz
MHz
dB
Ω
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
Ω
dB
dB
V
V
µA
µA
µs
µs
4
October 20, 1999
Conexant
Proprietary Information and Specifications are Subject to Change
100775A
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