UPC2747TB 查看數據表（PDF） - NEC => Renesas Technology

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UPC2747TB

3 V, SUPER MINIMOLD SILICON MMIC AMPLIFIER FOR MOBILE COMMUMICATIONS

NEC => Renesas Technology 

TEST CIRCUIT

µPC2747TB, µPC2748TB

VCC

1 000 pF

C3

50 Ω

C1

1

IN

1 000 pF

6

C2

50 Ω

4

OUT

1 000 pF

2, 3, 5

EXAMPLE OF APPLICATION CIRCUIT

VCC

1 000 pF

C3

1 000 pF

C6

50 Ω

C1

1

IN

1 000 pF

6

C4

4

C5

1

1 000 pF

1 000 pF

R1

50 to 200 Ω

6

C2

50 Ω

4

OUT

1 000 pF

2, 3, 5

To stabilize operation,

please connect R1, C5

2, 3, 5

The application circuits and their parameters are for reference only and are not intended for use in actual design-ins.

Capacitors for VCC, input and output pins

1 000 pF capacitors are recommendable as bypass capacitor for VCC pin and coupling capacitors for input/output

pins.

Bypass capacitor for VCC pin is intended to minimize VCC pin’s ground impedance. Therefore, stable bias can be

supplied against VCC fluctuation.

Coupling capacitors for input/output pins are intended to minimize RF serial impedance and cut DC.

To get flat gain from 100 MHz up, 1 000 pF capacitors are assembled on the test circuit. [Actually, 1 000 pF

capacitors give flat gain at least 10 MHz. In the case of under 10 MHz operation, increase the value of coupling

capacitor such as 2 200 pF. Because the coupling capacitors are determined by the equation of C = 1/(2 π fZs).]

6

Data Sheet P13444EJ2V0DS00

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