參數(shù)資料
型號(hào): PMB2349
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PQCC24
封裝: PLASTIC, VQFN-24
文件頁(yè)數(shù): 2/35頁(yè)
文件大?。?/td> 670K
代理商: PMB2349
Functional Description
3 - 3
PMB 2349
preliminary
Wireless Components
Confidential
Specification, May 2000
3.2 Pin Definition and Function
Table 3-1 Pin Definition and Function
Pin No.
Symbol
Equivalent I/O-Schematic
Function
23
VCC1
Positive supply voltage
for CMOS circuitry
1
VPD1
Positive supply voltage
for charge pump of PLL1
2
CP1
PLL1 charge pump output
Phase detector tristate
charge pump output
3
GND1
Ground for CMOS cir-
cuitry
4
5
RF1
RFX
RF frequency input 1
RF input with highly sen-
sitive preamplifier for
PLL1.
AC coupling must be set
up.
RF frequency input
(inverted)
RF input with highly sen-
sitive preampifier for
PLL1.
AC coupling must be set
up
6
GND2
Ground for bipolar cir-
cuitry
P D O u tp ut E quiva lent
ES D
*2pF
CP 1
3
RF /IF
5/16
R F x/IF x
6/15
R F and IF Input E quiva lent
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