W3000 Datasheet, PDF (14/28 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
2.7 nH 5.6 nH
1.5 pF
GPS Antenna Case #3, Test Set Up and Measurement Performance
18 nH 3.3 nH
3.9 nH
Ground cleared under antenna, clearance area 20.00 x 6.00 mm.
4.7 nH 3.3 nH
12 nH 5.6 nH
Typical Electrical Characteristics (T=25 °C)
0.5 pF
3.9 nH
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 efficiency and gain.
39 nH 0 Ω
GPS 1.575 GHz Case #3
24 Feb 2009 12:57:25
CH1 S11&MLOG 5 dB/REF 0 dB
CH1Markers
1. -19.931 dB 1.56550 GHz
2. -25.898 dB 1.57500 GHz
3. -24.453 dB 1.58500 GHz
4.7 nH 3.3 nH
6.8 nH
GPS 1.575 GHz Case #3^{1.5 pF}
80 %
70 %
60 %
50 %
0.00
Feed contact
-1.00
Matching Component (optional shunt)
-2.00
Cor
40 %
Ground contact
-3.00
30 %
20 %
10 %
-4.00
-5.00
0%
E
-6.00
1550 1555 1560 1565 1570 1574 1575 1576 1580 1585_{A B}15_C⁹⁰_D15_F⁹⁵_G 1_H⁶⁰⁰
Freq [MHz]
Rad Eff [%]
Rad Eff [dB]
GPS 1.575 GHz Case #3
12
3
CENTER 1.575 GHz
SPAN 400 MHz
GPS 1.575 GHz #3
24 Feb 2008 12:55:57
CH1 S11&M 1 U FS
1. 45.469 Ω -9.8496 Ω
2. 44.766 Ω -3.0801 Ω
1.57500 GHz
3. 65.742 Ω 20.102 Ω
1.56550 GHz
32.808 pF
1.58500 GHz
Cor
3.00
-2.00
2.50
-2.50
2.00
-3.00
1.50
1.00
-3.50
0.50
-4.00
0.00
-0.50
-1.00
-1.50
-4.50
-5.00
-5.50
-2.00
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 #3
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 4.7
27 nH 4.7
27 nH 0
Ground area
Ground via h
Ground area sh
via holes
Feed line 50
Any type of 50
layers on feedlin
50 Ohm charac
Pulse Finland Oy
Takatie 6
90440 Kempele, Finland
Tel: [phone]
Fax: [phone]
www.pulseeng.com/antennas
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