ASG304 Просмотр технического описания (PDF) - Unspecified

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производитель

ASG304

DC-2000 MHz SiGe HBT Amplifier

Unspecified 

Application Circuit: 2000 MHz

Typical Performance

Frequency

Magnitude S21

Magnitude S11 1)

Magnitude S22 1)

Output P1dB

Output IP3 2)

Noise Figure

Supply Voltage

Current

2000 MHz

10.5 dB

-20 dB

-15 dB

24 dBm

40 dBm

3.5 dB

6V

110 mA

1) S11 & S22 can be improved, at a specific frequency, by moving

an input shunt capacitor (C2) and inductor (L2) along an input transmission line.

2) OIP3 is measured with two tones at an output power of +8 dBm/tone

separated by 1 MHz.

Gain vs. Temperature

14

13

12

11

Frequency=2 GHz

10

-60 -40 -20

S-parameters

20

0

0

20

40

Temperature (oC)

60

80 100

85oC

25oC

-40oC

-20

-40

-60

1800

20

15

10

1900

2000

2100

2200

Frequency (MHz)

85oC

25oC

-40oC

5

0

1800

1900

2000

2100

2200

Frequency (MHz)

5/8

ASG304

Schematic

Vcc=6 V

C4=

C5= C6=

100 pF 1000 pF 0.1 µF

RF IN

C1=10 pF

L2=3.3 nH

5 mm

R1=7.5 kΩ

L1=56 nH

ASG304

C2=2.7 pF

GND

50 Ω

C3=5 pF

8.75 mm

RF OUT

Board Layout (FR4, 40x40 mm2, 0.8T)

-10

-15

-20

-25

-30

1800

10

0

-10

-20

-30

1800

85oC

25oC

-40oC

1900

2000

2100

2200

Frequency (MHz)

85oC

25oC

-40oC

1900

2000

2100

2200

Frequency (MHz)

www.ASB.co.kr June 2003

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