G1100 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Wideband Multifunction Reception System GaAs MMIC Completely Covers GPS and CDMA

GPS statellite
Dual-band
antenna
TX block
IF block
CXG1100TN
Dplx
CDMA RX
GPS RX
Ext.
CXG1115ER
CDMA base station
IF block
s Figure 1 Next-Generation Global Positioning Infor-
mation Service
s Figure 2 CXG1100TN/CXG1115ER Application Circuit
CDMA LNA Representative Characteristics 1
Power Gain and Noise Figure vs. RF Frequency
16
5
Gp
15
14
4
13
12
3
11
10
2
NF
9
8
1
7
6
0
800 820 840 860 880 900
fRF – RF frequency [MHz]
CDMA Mixer Representative Characteristics 1
Conversion Gain and Noise Figure vs. RF Frequency
15
13
14
fLO = fRF – 110 MHz
LOin = –10 dBm
12
13
11
12
Gc
10
11
9
10
8
9
7
8
NF
6
7
5
6
4
5
3
800 820 840 860 880 900
fRF – RF frequency [MHz]
GPS LNA Representative Characteristics
Power Gain and Noise Figure vs. RF Frequency
20
5
19
18
4
Gp
17
16
3
15
14
2
NF
13
12
1
11
10
0
1525 1545 1565 1585 1605 1625
fRF – RF frequency [MHz]
GPS Mixer Representative Characteristics
Conversion Gain and Noise Figure vs. RF Frequency
11
13
10
12
Gc
9
11
8
10
7
9
6
8
5
7
4
6
NF
3
5
2
fLO = 1/2 × (fRF – 110 MHz) 4
LOin = –10 dBm
1
3
1525 1545 1565 1585 1605 1625
fRF – RF frequency [MHz]
CDMA LNA Representative Characteristics 2
Output Power and IM3 vs. Input Power
20
10
0
Pout
–10
–20
–30
–40
–50
IM3
–60
fRF1 = 850 MHz
fRF2 = 850.9 MHz
–70
–80
–40 –30 –20 –10 0 10
Pin – RF input power [dBm]
CDMA Mixer Representative Characteristics 2
Output Power and IM3 vs. Input Power
20
10
0
Pout
–10
–20
–30
–40
–50
IM3
–60
fRF1 = 850 MHz
–70
fRF2 = 850.9 MHz
fLO = 740 MHz
LOin = –10 dBm
–80
–40 –30 –20 –10 0 10
Pin – RF input power [dBm]
s Figure 3 CXG1115ER Representative Characteristics
s Table 1
Insertion loss
Isolation
VSWR
Harmonics
Input IP3
CXG1100TN Representative Electrical
Characteristics
(Ta 25°C)
Symbol Condition Typ. Unit
900 MHz 0.35 dB
IL
1.58 GHz 0.46 dB
ISO.
VSWR
2fo
3fo
IIP3
900 MHz 22 dB
1.58 GHz 17.2 dB
50 Ω 1.2 —
*1
–75 dBc
*1
–75 dBc
*2
60 dBm
*1: Pin = 24 dBm, 0/3 V control, VDD = 3.0 V, 900 MHz
*2: Pin = 24 dBm (900 MHz) + 24 dBm (901 MHz),
0/3 V control, VDD = 3.0 V