"High Frequency Ceramic Solutions"
Preliminary
433 MHz Antenna
Detail Specification: 02/25/10
P/N 0433AT62A0020
Page 2 of 3
Mounting Considerations
Test Board
No Ground (Yellow area)
)
)
)
units in mm
)
)
)
)
40mm
50 ohm feed line
9.5mm
)
Antenna
50Ω Feed Line
50
20mm
Ground
Antenna
Matching circuits
28
Ground
73
Return Loss (with matching)
0
m1
freq=423.0MHz
dB(S(1,1))=-15.487
-5
-10
-15
-20
-25
-30
m2
)
freq=433.0MHz
dB(S(1,1))=-21.698
m1
m3
freq=443.0MHz
dB(S(1,1))=-19.429
m3
m2
300
350
400
freq, MHz
450
500
550
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