MRF9080LR3

5

RF Device Data

Freescale Semiconductor

Figure 3. Broadband GSM 900 Optimized Demo Board Schematic

C6

+

RF

INPUT

U1

R1

C5

R2

P1

R3

R4

T1

C4

+

C3

C9

+

C2

C1

C8

C7

DUT

R5

R6

C11

C12

RF

OUTPUT

C15

C10

C13

C14

Table 6. Broadband GSM 900 Optimized Demo Board Component Designations and Values

Part

Description

Part Number

Manufacturer

C1

4.7 pF Chip Capacitor, ACCU-P

08051J4R7CBS

AVX

C2

3.9 pF Chip Capacitor, ACCU-P

08051J3R9CBS

AVX

C3, C15

22 pF Chip Capacitors, ACCU-P

08051J221CBS

AVX

C4, C6

22 mF, 35 V Tantalum Chip Capacitors

T491X226K035AS

Kemet

C5

1 mF Chip Capacitor, ACCU-P

08053105

AVX

C7, C8

5.6 pF Chip Capacitors, ACCU-P

08051J5R6CBS

AVX

C9

220 mF, 63 V Electrolytic Capacitor

2222-136-68221

Vishay

C10, C11

3.3 pF Chip Capacitors, ACCU-P

08051J3R3CBS

AVX

C12, C13

2.2 pF Chip Capacitors, ACCU-P

08051J2R2CBS

AVX

C14

4.7 pF Chip Capacitor

ATC100B4R7JT500XT

ATC

P1

5.0 kΩ Potentiometer CMS Cermet Multi-turn

3224W

Bourns

R1

10 Ω, 1/8 W Chip Resistor

CRCW080510R0FKEA

Vishay

R2, R5, R6

1 kΩ, 1/8 W Chip Resistor

CRCW08051001FKEA

Vishay

R3

1.2 kΩ, 1/8 W Chip Resistor

CRCW08051201FKEA

Vishay

R4

2.2 kΩ, 1/8 W Chip Resistor

CRCW08052201FKEA

Vishay

T1

Bipolar NPN Transistor, SOT-23

BC847ALT1G

ON Semiconductor

U1

Voltage Regulator, Micro-8

LP2951ACDMR2G

ON Semiconductor

Substrate = Taconic RF35, Thickness 0.5 mm