1st IF OUTPUT POWER vs. 1st LO INPUT POWER
− 10
fRFin = 1.57542 MHz
PRFin = − 40 dBm
− 15 f1stLOin = 1636.8 MHz
f1stIFout = 61.38 MHz
− 20
− 25
VCC = 3.0 V
VCC = 3.3 V
− 30
− 35
VCC = 2.7 V
− 40
− 50 − 40 − 30 − 20 − 10 0
1st LO Input Power P1stLOin (dBm)
+ 10
RF CONVERSION GAIN vs. 1st IF OUTPUT FREQUENCY
30
fRFin = 1.57542 GHz
PRFin = − 40 dBm
25 P1stLOin = − 10 dBm
fLOin = fRFin + fIFout
20 Upper Local
VCC = 3.3 V
15
VCC = 3.0 V
10
VCC = 2.7 V
5
0
10
30
100
300
1 000
1st IF Output Frequency f1stIFout (MHz)
−IF DOWN-CONVERTER BLOCK−
CIRCUIT CURRENT vs. SUPPLY VOLTAGE
12
No signals
10
8
6
4
2
0
0
1
2
3
4
Supply Voltage VCC (V)
µPB1005GS
RF CONVERSION GAIN vs. RF INPUT FREQUENCY
30
PRFin = − 40 dBm
P1stLOin = − 10 dBm
25 f1stIFout = 61.38 MHz
fLO = fRFin + f1stIFout
20
VCC = 3.3 V
15
VCC = 2.7 V
10
VCC = 3.0 V
5
0
0.1
0.3
1.0
2.0
RF Input Frequency fRFin (GHz)
3rd ORDER INTERMODULATON DISTORTION,
1st IF OUTPUT POWER OF EACH TONE
vs. RF INPUT POWER OF EACH TONE
+ 20
+ 10
fRFin1 = 1 600 MHz
fRFin2 = 1 605 MHz
0 f1stLOin = 1 660 MHz
− 10
− 20
P1stLOin = − 10 dBm
Upper Local
− 30
P1stIFout (each)
− 40
IM3
− 50
− 60
− 70
− 80
−
90
−
80
− 70
− 60
− 50
− 40
− 30
− 20
− 10
0 + 10
RF Input Power of Each Tone PRFin (each) (dBm)
Data Sheet P13860EJ3V0DS00
11