W3000 Datasheet, PDF (11/28 Pages) Agere Systems – W3000 PLL Dual-Band Frequency Synthesizer

Datasheet version 1.2. W3000 Antenna. (12/09)
Ceramic Monopole Antenna
Ground cleared under antenna. Pulse Part Number: W3000
GPS Antenna Case #2, Test Set Up and Measurement Performance
Ground cleared under antenna, clearance area 20.00 x 6.00 mm.
2.7 nH 5.6 nH
18 nH 3.3 nH
1.5 pF
3.9 nH
Typical Electrical Characteristics (T=25 °C)
Measured on the 30 x 20 mm test board with matching circuit. Measured in antenna position1 on
PWB layout, see previous page. Typical Return Loss S11/ impedance, free space effic4i.e7 nnH c3y.3 naH nd gain.
GPS 1.575 GHz Case #2
24 Feb 2009 12:56:26
CH1 S11&MLOG 5 dB/REF 0 dB
CH1Markers
1. -19.333 dB 1.56550 GHz
2. -22.352 dB 1.57500 GHz
3. -17.667 dB 1.58500 GHz
0.5 pF
GPS 1.575 GHz Case #2
80 %
70 %
4.7 nH 3.3 nH
60 %
1.5 pF
50 %
12 nH 5.6 nH
3.9 nH
39 nH 00.0Ω0
-1.00 ^{6.8 nH}
-2.00
Cor
40 %
-3.00
30 %
20 %
10 %
Matching Component (opti-o4n.0al0shunt)
Feed contact
Ground contact
-5.00
0%
1550 1555 1560 1565 1570 1574 1575 1576 1580 1585 1590 1595 1600
-6.00
Freq [MHz]
Rad Eff [%]
Rad Eff [dB]
23
1
CENTER 1.575 GHz
SPAN 400 MHz
GPS 1.575 GHz #2
24 Feb 2009 12:56:33
CH1 S11&M 1 U FS
1. 52.109 Ω -11.057 Ω
2. 44.865 Ω -5.4199 Ω
1.57500 GHz
3. 38.271 Ω 0.7773 Ω
1.56550 GHz
18.644 pF
1.58500 GHz
Cor
E
GPS 1.575 GHz Case #2
2.00
ABCD FGH
-2.00
1.50
1.00
0.50
-2.50
-3.00
0.00
-0.50
-3.50
-1.00
-4.00
-1.50
-2.00
-4.50
-2.50
-3.00
-3.50
-5.00
-5.50
-4.00
1550 1555 1560 1565 1570 1574 1575 1576 1580 1585 1590 1595 1600
-6.00
Freq [MHz]
Max Gain [dBi]
Avg Gain [dB]
GPS 1.575 GHz Case #2
2
3
1
CENTER 1.57500 GHz
SPAN 400 MHz
0.00
-2.00
-0.50
-1.00
-1.50
-3.00
-4.00
-5.00
-6.00
-2.00
-7.00
-2.50
-3.00
-3.50
-8.00
-9.00
-10.00
-11.00
-4.00
1550 1555 1560 1565 1570 1574 1575 1576 1580 1585 1590 1595 1600
-12.00
Freq [MHz]
RHCP [dBic] RHCP Avg Gain [dBic]
18 nH
27 nH
27 nH
Ground
Ground
Ground ar
via holes
Feed lin
Any type o
layers on f
50 Ohm c
Pulse Finland Oy
Takatie 6
90440 Kempele, Finland
Tel: [phone]
Fax: [phone]
www.pulseeng.com/antennas
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