參數(shù)資料
型號: RF2498
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: TRI-BAND/QUAD-MODE CDMA/GPS LOW NOISE AMPLIFIER/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC32
封裝: 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù): 18/20頁
文件大?。?/td> 723K
代理商: RF2498
8-318
RF2498
Rev A3 030711
PCB Design Requirements
PCB Surface Finish
The PCB surface finish used for RFMD’s qualification process is electroless nickel, immersion gold. Typical thickness is
3
μ
inch to 8
μ
inch gold over 180
μ
inch nickel.
PCB Land Pattern Recommendation
PCB land patterns are based on IPC-SM-782 standards when possible. The pad pattern shown has been developed and
tested for optimized assembly at RFMD; however, it may require some modifications to address company specific
assembly processes. The PCB land pattern has been developed to accommodate lead and package tolerances.
PCB Metal Land Pattern
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
C
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
3.50 Typ.
0.50 Typ.
0.50 Typ.
0.55 Typ.
0.55 Typ.
1.75 Typ.
1.75 Typ.
3.50 Typ.
A = 0.64 x 0.28 (mm) Typ.
B = 0.28 x 0.64 (mm) Typ.
C = 3.50 (mm) Sq.
Pin 1
Pin 32
Pin 24
Pin 16
Dimensions in mm.
Figure 1. PCB Metal Land Pattern (Top View)
相關PDF資料
PDF描述
RF2498PCBA TRI-BAND/QUAD-MODE CDMA/GPS LOW NOISE AMPLIFIER/MIXER
RF2690 W-CDMA RECEIVE AGC AND DEMODULATOR
RF2870 CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER
RF2870PCBA CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER
RF2890 DUAL-BAND CDMA CELLULAR/GPS LOW NOISE AMPLIFIER/MIXER
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