AN 074 Rev E

12 / 24

19-November-2002

Applications Note No. 074

Silicon Discretes

Figure 18. Insertion loss of 15.2 meter / 50 foot section of 75 ohm RG-6 coax cable. Measurement

system impedance is 50 ohms. Gain slope for this section is approximately - 1.62 dB / GHz.

CH1

S 21

log MAG

1 dB/

REF -3 dB

START 900.000 000 MHz

STOP 2 200.000 000 MHz

Cor

Avg

8

Smo

Del

PRm

REFERENCE VALUE

-3 dB

31 Jul 2002 10:13:22

1

2

3

2_:-4.8872 dB

1 450.000 000 MHz

1_:-4.0789 dB

950 MHz

3_:-6.0191 dB

2.15 GHz

Figure 19. Return Loss of a 30.4 meter / 100 foot section of 75 ohm coaxial cable. Measurement

system impedance is 50 ohms.

CH1

S 11

log MAG

10 dB/

REF 0 dB

START 900.000 000 MHz

STOP 2 200.000 000 MHz

Cor

Avg

8

Smo

Del

PRm

31 Jul 2002 10:32:52

1

2

3

2_:-19.192 dB

1 450.000 000 MHz

1_:-18.677 dB

950 MHz

3_:-15.959 dB

2.15 GHz