3

MRFIC0917

MOTOROLA RF DEVICE DATA

Figure 2. GSM Application Circuit Configuration with Drain Switch

and MC33169 GaAs Power Amplifier Support IC

1

2

3

4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

5

6

7

8

D

G

S

D

D

D

S

VRAMP

BATTERY

Q1

R5

C6

R1

C7

R2

C8

L1

R3

R4

C9 C10

C15

C14

U2

CR1

C12

C13

RF IN

STANDBY

C1, C3, C10 33 pF

C2, C6, C9 33 nF

C4

4.7 pF

C5

10 pF

C7

220 nF

C8

6.8 pF

C11 to C16 1

µF

C17

0 to 5 nF Depending on

control bandwidth

CR1

MMBD701LT1

L1

5.6 nH

L2

10 Turn MicroSpring,

Coilcraft 1606–10 or 18 mm

50

Ω MICROSTRIP

Q1

MMSF4N01HD

R1, R3

330

Ω

R2

100

Ω

R4

1 k

Ω

R5

470

Ω

R6

22

Ω

T1

2 mm 30

Ω MICROSTRIP

T2

3.5 mm 30

Ω MICROSTRIP

U1

MRFIC0917

U2

MC33169 (– 4 V Version)

BOARD MATERIAL FR4

T2

C3

RF OUT

C5

C4

C2

L2

C1

C16

U1

T1

R6

C11

C17