UPC8125GR NEC [NEC], UPC8125GR Datasheet - Page 3

• Manufacturer Part Number: UPC8125GR
• Description: UP-CONVERTER WITH AGC FUNCTION QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS
• Manufacturer: NEC [NEC]

TYPICAL PERFORMANCE CURVES
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-10
-20
-30
-40
-50
-60
-70
10
0
8
6
4
2
0
0.5
0
AMPLITUDE ERROR, PHASE ERROR,
AND I/Q OFFSET vs. AGC VOLTAGE
0.7 0.9 1.1
RF OUTPUT vs. AGC VOLTAGE
ERROR VECTOR MAGNITUDE,
LO1 Input Power, P
RF OUTPUT POWER vs.
-20
AGC Voltage, V
AGC Voltage, V
LO1 INPUT POWER
1
1.3 1.5 1.7
-10
LO1IN
AGC
AGC
2
1.9
(V)
(V)
0
(dBm)
P
IM
2.1 2.3 2.5
ImR
LoL
RFout
SI/Q
I/2 offset
EVM
A
3
-10
-20
-30
-40
-50
-60
-70
0
-30
-40
-50
-60
(T
A
= 25 C)
-10
-20
-30
-40
-50
-60
-70
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
8
6
4
2
0
0
0
AND I/Q OFFSET vs. LO1 INPUT POWER
AMPLITUDE ERROR, PHASE ERROR,
-48.5 dBc
IM
ERROR VECTOR MAGNITUDE,
TYPICAL OUTPUT SPECTRUM
3I/Q
LO2 Input Power, P
LO1 Input Power, P
-30
RF OUTPUT POWER vs.
-20
LO2 INPUT POWER
Frequency, f (MHz)
-32.7 dBc
ImR
-20
-48.3 dBc
-10
LoL
V
V
AGC
-10
AGC
LO1IN
LO2IN
= 3.0 V
= 1.2 V
(dBm)
(dBm)
0
I/Q offset
EVM
A
0
UPC8125GR
-20
-30
-40
-50
-60