MRW3005 查看數據表（PDF） - Motorola => Freescale

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MRW3005

Microwave Power Transistors

Motorola => Freescale 

MRW3005

TYPICAL CHARACTERISTICS

10

14

1.5 GHz

8

12

2 GHz

6

10

2.3 GHz

f = 3 GHz

4

8

60

ηc @ 5 W

40

Po(sat)

20

2

6

0

4

0.2

0.6

1

1.4

1.8

2.2

2.6

1

Psat, SATURATED OUTPUT POWER (WATTS)

Figure 7. Output Power versus Input Power

1.5

2

2.5

3

3.5

f, FREQUENCY (GHz)

Figure 8. Psat and η versus Frequency

3

2.3 Zin

2

3 f = 1.5 GHz

2.3

0.2

2 ZOL*

0.4 0.6 0.8 1.0 1.5 2

Zo = 50 Ω

3 4 5 10

f = 1.5 GHz

Figure 9. Series Equivalent Input/Output Impedance

10,000,000

1,000,000

100,000

10,000

1,000

100

90

MRW3005

MRW3001

MRW3003

110 130 150 170 190 210

TJ, JUNCTION TEMPERATURE (°C)

Figure 10. MTTF Factor versus

Junction Temperature

MTTF Factor

(Normalized to 1.0 ampere2 Continuous Duty)

The graph shown displays MTTF in hours x ampere2 emitter current

for each of the 3.0 GHz devices. Life tests at elevated temperatures

have correlated to better than ±10% to the theoretical prediction for

metal failure. CAUTION — A calculation is required to obtain actual

metal life. Sample MTTF calculations based on operating conditions

are shown below.

Junction Temperature — °C

To calculate metal lifetime under any set of conditions, obtain actual

data or estimate from typical performance curves. Solve for TJ (°C):

Pout x 100

(1) TJ = θJF

hc % + Pin – Pout + TFLANGE

230

Enter graph of MTF factor versus TJ. Obtain MTF factor. Calculate

metal life by:

MTF Factor

(2) Metal Life in Hours = IC2 (Amps)

MRW3001 MRW3003 MRW3005

2–4

MOTOROLA RF DEVICE DATA

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