参数资料
型号: UPB1008K-EVAL
厂商: CEL
文件页数: 6/10页
文件大小: 0K
描述: EVAL BOARD FOR UPB1008K
标准包装: 1
类型: 接收器,GPS
频率: 2.4GHz
适用于相关产品: UPB1008K
已供物品:
UPB1008K
PIN FUNCTIONS
Pin No.
12
Symbol
I/Q Balance
Control
Function and Application
The voltage on this pin controls the Q channel
IF Amplifier Gain. Gain control of ± 2 dB can be
Internal Equivalent Circuit
28
achieved for 0~3 V.
Leave open-circuited if not used.
Qgain
12
idc=23.5u
r=7.1k
r=7.1k
Iref
r=7.1k
idc=23.5u
r=7.1k
CCCS
0V
1.5 V
3V
V
32
V CC
13
PD1
Standby mode control.
Low=whole chip OFF & High=Whole chip ON.
13
ESD
ESD
11
r=28k
14
15
2IFout-Q
2IFout-Qb
Differential ouptut pins of quadrature demodulator
Q output. Adding a lowpass shunt capacitor
28
between these pins will define the IF Bandwidth.
r=2k
r=2k
ESD
ESD
15,(26)
14,(27)
idc=86u
idc=86u
ESD
ESD
32
16
17
DC offset Q
DC offset Qb
DC offset compensation pin for C arm. A low pass
capacitor shunt to Pin 17 is required.
DC offset compensation pin for Q-bar arm.
A low pass capacitor shunt to Pin 16 is required.
28
r=4k
r=4k
ESD
ESD
17,(24)
r=20k
c=9p
16,(25)
idc=84u
idc=84u
ESD
ESD
32
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