11

MMBR941 MRF947 SERIES

MOTOROLA RF DEVICE DATA

Figure 16. MMBR941LT1, T3 Constant Gain and Noise Figure Contours

(f = 0.5 GHz)

f (GHz)

NF OPT (dB)

RN

0.5

1.0

18

ΓMS NF OPT

0.43

∠ 30°

K

0.58

f (GHz)

NF OPT (dB)

RN

1.0

1.5

13

ΓMS NF OPT

0.22

∠ 64°

K

0.93

VCE = 6.0 V

IC = 5.0 mA

— AREA OF INSTABILITY

VCE = 6.0 V

IC = 5.0 mA

— AREA OF INSTABILITY

Figure 17. MMBR941LT1, T3 Constant Gain and Noise Figure Contours

(f = 1.0 GHz)

16

+j1

+j2

–j2

–j1

– j0.5

– j0.2

+ j0.2

+ j0.5

2.0

13

4.0

15

14

3.0

5.0

1.5

INPUT

OUTPUT

+j1

+j2

–j2

–j1

– j0.5

– j0.2

+ j0.2

+ j0.5

21

20

19

2.0

5.0

4.0

18

3.0

1.0

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com