IF CONVERSION GAIN vs. GAIN CONTROL VOLTAGE
50
VCC = 3.3 V
40
30
VCC = 3.0 V
20
10
VCC = 2.7 V
0
f1stIFin = 61.38 MHz
− 10 P1stIFin = − 50 dBm
f2ndLOin = 65.472 MHz
− 20 P2ndLOin = − 10 dBm
f2ndIFout = 4.092 MHz
− 30
0
0.5
1
1.5
2
2.5
3
Gain Control Voltage VGC (V)
3rd ORDER INTERMODULATION DISTORTION,
2nd IF OUTPUT POWER OF EACH TONE
vs. 2nd IF INPUT POWER OF EACH TONE
0
− 10
− 20
− 30
P2ndIFout (each)
− 40
IM3
− 50
− 60
− 70
− 80
− 90
− 100− 80
− 70
− 60
f1stIFin1 = 61.38 MHz
f1stIFin2 = 61.48 MHz
f2ndLOin = 65.472 MHz
P2ndLOin = − 10 dBm
VGC = GND
− 50 − 40 − 30 − 20
2nd IF Input Power of Each Tone P1stIFin (each) (dBm)
−IF AMPLIFIER BLOCK−
CIRCUIT CURRENT vs. SUPPLY VOLTAGE
4
No signals
3
2
1
0
0
1
2
3
4
Supply Voltage VCC (V)
µPB1005GS
IF CONVERSION GAIN vs. GAIN CONTROL VOLTAGE
50
TA = − 40°C
40
30 TA = + 85°C
20
TA = + 25°C
10
0
f1stIFin = 61.38 MHz
− 10 P1stIFin = − 50 dBm
− 20
f2ndLOin = 65.472 MHz
P2ndLOin = − 10 dBm
f2ndIFout = 4.092 MHz
− 30
0 0.5 1 1.5 2 2.5 3
Gain Control Voltage VGC (V)
Data Sheet P13860EJ3V0DS00
13