User's Manual

Antenna Controller User Manual Ver. 1.00
Electrical Installation
P/N 1100031 page 2-1
2.6 Antenna Matching Circuits
2.6.1 Loop Antenna
Size - X
×
Y (mm).
Windings - Single-turn.
Wire - 24 AWG.
2.6.2 Matching Circuitry
Ls = matching coil (see
Table 2-1
).
Cp = matching capacitor (see
Table 2-1
)
note: Use high quality ceramic capacitors, preferably SMD.
Vcp = Variable capacitor - 30 pF (FCV05E30).
2.6.3 Typical Values
Table 2-1: Typical Antenna Matching Circuit Values
Antenna
Dimensions,
(in mm.)
Ls (
µ
µµ
µ
H)
Cp (pF)
50
×
80
3.3 560
60x100 3.3 470
100
∅
3.3 180 + 180 = 360
100
×
100
3.3 180 +180 = 360
80
×
100
3.3 150 + 150 = 300
70 x 120 3.3 150 + 150 = 300
100
×
150
3.3 270