MC13821 datasheet(21/42 Pages) FREESCALE

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Application Information

MC13821 Data Sheet: Technical Data, Rev. 1.5

Freescale Semiconductor

Out Ref P1dB

High Gain

Bypass

P1dBout

5.7

—

7.5

—

9.5

—

dBm

In Ref P1dB

High Gain

Bypass

P1dBin

-8

—

-7

—

-6

—

dBm

Noise Figure

High Gain

Bypass

1.3

1.49

4.3

1.65

Current Drain

High Gain

Bypass

ICC

3.9

4.45

5.5

µA

Rbias R1 Value

—

1.2

—

Rstability R2 Value

—

3.3

—

Rstability R2 Value

—

Input Return Loss

High Gain

Bypass

S11

—

-11

-12

-10

Gain

High Gain

Bypass

S21

13.7

-4.9

14.5

-4.4

15.5

-3.9

Reverse Isolation

High Gain

Bypass

S12

-20

-3.5

-22

-4.4

—

Output Return Loss

High Gain

Bypass

S22

—

-14

-10

R1 = 2.0 k

Ω, R2 = 3.3 kΩ (Refer to Figure 11)

Frequency

—

2140

—

MHz

Power Gain

High Gain

Bypass

14.7

-4.2

15.7

-3.2

17.5

-2.2

Output Third Order Intercept Point

High Gain

Bypass

OIP3

17.8

18.3

19.2

21.3

23.3

dBm

Input Third Order Intercept Point

High Gain

Bypass

IIP3

2.5

22.5

3.5

24.5

4.5

25.5

dBm

Out Ref P1dB

High Gain

Bypass

P1dBout

8.7

—

10.7

—

12.5

—

dBm

Table 8. Typical 2140 MHz LNA Demo Board Performance (continued)

(Resistor values of R1 and R2 are changed for different ICC and IP3 requirements.)

Characteristic

Symbol

Min

Typ

Max

Unit

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