4-35

0

0

FREQUENCY (GHz)

1.0

1.5

10

4

2

0.5

2.5

6

2.0

8

10 mA

5 mA

2 mA

2 mA

5 mA

10 mA

0

0

FREQUENCY (GHz)

1.0

1.5

25

10

5

0.5

2.5

15

2.0

20

10 mA

1 mA

0

0

FREQUENCY (GHz)

1.0

1.5

25

10

5

0.5

2.5

15

2.0

20

1 mA

10 mA

AT-31011 AT-31033

Symbol

Parameters and Test Conditions

Units

Typ

Typ

Power at 1 dB Gain Compression (opt tuning)

f = 0.9 GHz

dBm

9

9

Gain at 1 dB Gain Compression (opt tuning)

f = 0.9 GHz

dB

15

13

Output Third Order Intercept Point,

f = 0.9 GHz

dBm

20

20

Gain in 50

Ω System; V

f = 0.9 GHz

dB

10

9

Collector-Base Capacitance

pF

0.04

0.04

Note:

1. Amplifier NF represents the noise figure which can be expected in a real circuit representing reasonable reflection coefficients and

including circuit losses.

Figure 7. AT-31033 1 dB Compressed

Gain vs. Frequency and Current at

Figure 6. AT-31011 1 dB Compressed

Gain vs. Frequency and Current at

Figure 5. AT-31011 and AT-31033

Power at 1 dB Gain Compression vs.

Figure 4. AT-31033 Associated Gain at

Optimum Noise Match vs. Frequency

Figure 3. AT-31011 Associated Gain at

Optimum Noise Match vs. Frequency

Figure 2. AT-31011 and AT-31033

Minimum Noise Figure and Amplifier

C

0

0

FREQUENCY (GHz)

1

1.5

2.5

1

0.5

0.5

2.5

1.5

2

2

1 mA

10 mA

AMPLIFIER NF

NF MIN.

0

0

FREQUENCY (GHz)

1.0

1.5

20

8

4

0.5

2.5

12

2.0

16

2 mA

5 mA

10 mA

0

0

FREQUENCY (GHz)

1.0

1.5

16

4

0.5

2.5

8

2.0

12

2 mA

5 mA

10 mA