MRF372R3 MRF372R5

7

RF Device Data

Freescale Semiconductor

Figure 9. Narrowband Series Equivalent Source and Load Impedance

f

MHz

Ω

Ω

845

860

875

3.99 - j2.50

3.18 - j1.46

3.56 - j1.98

5.63 + j0.38

5.28 + j0.43

4.94 + j0.56

f

GHz

Ω

Ω

1.69

1.72

1.75

2.85 + j14.30

1.23 + j9.37

1.54 + j9.60

1.73 + j9.62

Harmonics

3.27 + j14.32

3.35 + j14.36

gate to gate, balanced configuration.

= Test circuit impedance as measured

from drain to drain, balanced configuration.

Z source

Z load

Input

Matching

Network

Device

Under

Test

Output

Matching

Network

−

−+

+

f = 845 MHz

f = 845 MHz

f = 875 MHz

f = 875 MHz