RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS140121

For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com.

The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of

third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended

application circuitry and specifications at any time without prior notice.

9 of 10

PRELIMINARY

RF3833

Evaluation Board Layout

Device Impedances*

RF3833PCBA-410 (30MHz to 2000MHz)

Frequency

Z Source (Ω)

Z Load (Ω)

30MHz

50.19

– j2.98

48.43 + j6.33

200MHz

48.56

– j4.78

48.72

– j2.79

500MHz

42.59

– j7.54

41.82

– j7.06

800MHz

36.23

– j5.85

34.86

– j4.75

1000MHz

32.65

– j2.96

31.06

– j1.06

1200MHz

30.40 + j1.15

29.00 + j3.71

1500MHz

28.85 + J8.24

27.88 + j11.95

1800MHz

29.72 + j16.00

29.60 + j21.15

2000MHz

31.70 + j21.40

32.41 + j27.86

Evaluation Board

Matching

Network

Evaluation Board

Matching

Network

* Device impedances reported are the measured evaluation board impedances chosen for a

tradeoff of efficiency and peak power performance across the entire frequency bandwidth.