Application to DEMO-CR95HF-A demonstration board

AN3394

14/29

Doc ID 018754 Rev 5

2.1.2

Antenna parallel equivalent model

Figure 12.

Antenna serial-to-parallel RL equivalent circuit

The values given hereafter are the numerical application of Equation (A.II.5) and Equation

(A.II.6):

2.2

CR95HF receiving circuit equivalent models

2.2.1

CR95HF receiving circuit parallel equivalent model

This section describes part 4 of the circuit shown in Figure 9: CR95HF parallel matching

circuit intermediate simplification.

Figure 13.

CR95HF serial-to-parallel RC circuit equivalence

The values hereafter are the numerical application of Equation (A.III.5) and Equation

(A.III.6):

The circuit includes a 80 k

Ω R

resistance should be neglected as demonstrated below.

Where

Antenna equivalent series impedance. [

Ω]

Antenna equivalent parallel impedance. [

Ω]