參數(shù)資料
型號(hào): RF2492
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: DUAL-BAND LOW NOISE AMPLIFIER/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT
封裝: 5 X 5 MM, PLASTIC, LCC-32
文件頁數(shù): 7/22頁
文件大?。?/td> 483K
代理商: RF2492
Preliminary
8-39
RF2492
Rev A4 010828
8
F
Pin
25
Function
PCS LNA
OUT
VCC2
Description
High-band LNA output (collector). Small external inductance required
for best impedance match to 50
.
Interface Schematic
26
High-band LNA power supply connection. Small series inductance
required.
High-band LNA emitter. Low-inductance ground required.
27
28
29
30
GND2
GND2
GND2
Same as pin 27.
Same as pin 27.
PCS LNA IN
High-band LNA input (base). Simple external matching required for
best performance.
Logic input. High selects high-band operation; low selects low-band
operation.
Logic input. High enables LO doubler; low disables LO doubler.
31
BAND SEL
Diode to V
CC
and Ground.
CMOS logic interface.
Diode to V
CC
and Ground.
CMOS logic interface.
32
X2 ENABLE
Die
Flag
GND
Low inductance ground connection critical to proper operation.
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