參數(shù)資料
型號(hào): CXA3627N
英文描述: All Band Tuner IC with On-chip PLL
中文描述: 所有波段調(diào)諧器集成電路片上鎖相環(huán)
文件頁數(shù): 5/28頁
文件大小: 230K
代理商: CXA3627N
5
CXA3627N
Pin
No.
Symbol
Pin voltage
[V]
Equivalent circuit
Description
7
5
6
1.6k
8
9
7
11
12
3k
3k
15p
100
10k
7
14
15
3k
3k
5
IFIN1
6
IFIN2
2.0
IF inputs.
These pins must be connected
to the mixer outputs via
coupling capacitance.
7
V
CC
Power supply.
8
MIXOUT1
9
MIXOUT2
Mixer outputs.
These pins output the signal in
open collector format, and they
must be connected to the
power supply via a load.
11
VHFIN
2.4 during
VHF reception
0.0 during
UHF reception
VHF input.
The input format is unbalanced
input.
12
BYP
3.8
(when open)
VHF input GND and selection
of band switching.
GND: BS4 UHF
Open: BS3 UHF
14
UHFIN1
15
UHFIN2
UHF inputs.
Input a balanced signal to
Pins 14 and 15, or ground
either of Pin 14 or 15 with a
capacitor and input the signal
to the other pin.
10
GND1
Analog circuit GND.
0.0 during
VHF reception
2.3 during
UHF reception
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