參數(shù)資料
型號: PMB2347
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 2/35頁
文件大小: 578K
代理商: PMB2347
Functional Description
3 - 3
PMB 2347
preliminary
Wireless Components
Specification, August 1999
4
GND1
Ground for CMOS cir-
cuitry
5
6
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
7
GND1
Ground for bipolar cir-
cuitry
8
EN
3-Wire bus input:
Enable
Enable input of the serial
control interface with
Schmitt-Trigger input
stage. When EN=H the
input signals CLK and DA
are disabled. When EN=L
the serial control interface
is enabled. The received
data are transferred to the
registers with the positive
edge of the EN-signal.
9
DA
3-Wire bus input: Data
Data input of the serial
control interface with
Schmitt-Trigger input
stage.The serial data are
read into the internal shift
register with the positive
edge of CLK.
RF/IF
5/16
RFx/IFx
6/15
RF and IF Input Equivalent
ESD
*2pF
560
75k
Serial Control Input Equivalent
CLK
8
ESD
*2pF
560
75k
Serial Control Input Equivalent
DA
9
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