MRF372R3 MRF372R5

11

RF Device Data

Freescale Semiconductor

Figure 15. Broadband Series Equivalent Source and Load Impedance

f

MHz

Ω

Ω

470

560

660

4.46 - j2.57

7.84 + j0.14

6.40 + j1.06

4.88 - j3.50

5.45 - j0.07

8.13 + j0.73

760

860

6.25 + j0.31

6.67 + j0.46

8.27 - j1.00

7.52 + j0.02

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 = 470 MHz

f = 860 MHz

f = 470 MHz

f = 860 MHz