RF2489
Cascaded Performance (Typical Values for VCC=2.75V)
NOTE: All total current numbers include bias circuitry current of 3.5μA.
Parameter
CELL CDMA
LNA ON
LNA OFF
LNA ON
LNA OFF
Mixer Preamp On
Mixer Preamp Off
Cascaded:
Gain (dB)
25.0
2.1
5.5
15.0
+11.3
16.0
4.8
-3.5
22.0
Noise Figure (dB)
Input IP3 (dBm)
-7.8
+1.5
+20.24
LO to IF Isolation (dB)
IF1 to RF Isolation (dB)
IF2 to RF Isolation (dB)
LO to LNA IN Isolation (dB)
Total Current (mA)
30
40
30
40
30
40
30
40
40
40
40
40
40
40
40
40
27.5
23.0
23.0
18.5
NOTE: Assumes 3dB image filter insertion loss. The TX Buffer Enable is off. Div/2 function is off.
Numbers represent low current LNA bias setting IPSET=0.
Parameter
FM
LNA ON
LNA OFF
LNA ON
LNA OFF
Mixer Preamp On
Mixer Preamp Off
Cascaded:
Gain (dB)
24.5
2.1
5.0
15.5
4.8
-4.0
22.0
Noise Figure (dB)
Input IP3 (dBm)
15.0
+12.7
-6.6
+2.3
+20.8
LO to IF Isolation (dB)
IF1 to RF Isolation (dB)
IF2 to RF Isolation (dB)
LO to LNA IN Isolation (dB)
Total Current (mA)
30
40
30
40
30
40
30
40
40
40
40
40
40
40
40
40
27.5
23.0
23.0
18.5
NOTE: Assumes 3dB image filter insertion loss. The TX Buffer Enable is off. Div/2 function is off.
Numbers represent low current LNA bias setting IPSET=0.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A21 DS070308
7 of 30
RFMD [ RF MICRO DEVICES ]
