MBC13917EP Ver la hoja de datos (PDF) - Freescale Semiconductor

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componentes Descripción

Fabricante

MBC13917EP

General Purpose SiGe:C RF Cascode Low Noise Amplifier

Freescale Semiconductor 

Application Circuits

4.3 900 MHz Application

This application was designed to provide NF = 1.2 dB, S21 gain > 24 dB, OIP3 of 12.4 dBm with return

losses better than -10 dB at 900 MHz.

Figure 18 is the 900 MHz application schematic with package pinouts and the circuit component topology.

Vcc

C1

47 pF

L1

6.8 nH

RF IN

1

Gnd

L2

6

10 nH

C2

47 pF

C3

.1uF

2

Gnd

NC 3

5

4 NC

.

C4

2 pF

C5

3 pF

RF

OUT

Figure 18. 900 MHz Application Schematic

Typical performance that can be expected from this circuit at 2.7V is listed in Table 12.

Table 12. Typical 900 MHz Evaluation Board Performance

900 MHz

(Figure 18)

Vcc 2.7V

TA = 25°C

Characteristic

Symbol Min

Supply Current

RF Gain

Icc

—

G

22.5

Noise Figure

NF

—

Output 3rd Order Intercept Point

OIP3

11

Power Output at 1 dB Gain Compression P1dBoutput

2

Input Return Loss

S11

—

Small Signal Gain

S21

23

Reverse Isolation

S12

—

Output Return Loss

S22

—

Typ

4.7

24

1.19

12.4

3.5

-10

24

-40

-23

Max

Unit

5.6

mA

—

dB

1.5

dB

—

dBm

—

dBm

-9

dB

—

dB

-39

dB

-16

dB

MBC13917 Advance Information, Rev. 1.0

Freescale Semiconductor

29

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