Image-Reject Downconverter
Supply Voltage
Operating Temperature
RF210(A/B)
Table 3. RF210(A/B) Recommended Operating Conditions
Parameter
Min Typical Max
2.7
3.0
5.0
–30
+25
+85
Units
V
°C
Table 4. RF210(A/B) Electrical Specifications (1 of 2)
(TA = 25 C, Vcc = 3.0 V, fIF = 400 MHz, Plo = –10 dBm)
Parameter
Supply current:
Enable mode
Sleep mode
RF Input frequency
IF frequency
LO frequency
LO input power
LO to RF input isolation
Input impedance
Gain:
High gain (RF210A and RF210B)
Low gain (10 dB attenuation, RF210A)
Low gain (20 dB attenuation, RF210B)
Gain variation vs. Frequency
Gain step tracking error
Noise figure:
High gain
Low gain (12 dB gain, RF210A)
Low gain (2 dB gain, RF210B)
High gain (Note 1)
Input 1 dB compression point
Input third order intercept point
IF shunt resistance/side
Spurious response:
2(RF) x 2(LO) and 3(RF) x 3(LO)
(Note 2):
Image rejection
Test Condition
GSM900 Mode, BANDSEL = 0
Min Typical Max
ENA = 1
ENA = 0
LNA900IN = 950 MHz
38
10
935
960
350
400
450
1285
1410
–10
30
40 – j50
GAINSEL = 0
GAINSEL = 1
GAINSEL = 1
22
12
2
0.5
1
0.5
No blocker,
GAINSEL = 0
GAINSEL = 1
GAINSEL = 1
–28 dBm blocker @ 915
MHz, GAINSEL = 0
3.3
3.9
9.0
11
17
19
3.9
–25
–17
400
500
600
Interferer input = –75 dBm
–45
35
Units
mA
µA
MHz
MHz
MHz
dBm
dB
Ω
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
Ω
dB
dB
100775A
Conexant
Proprietary Information and Specifications are Subject to Change
3
October 20, 1999