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參數(shù)資料
| 型號： | FX818 |
| 元件分類： | Codec |
| 英文描述： | CTCSS Super Codec |
| 中文描述： | 超級亞音頻編解碼器 |
| 文件頁數(shù)： | 5/26頁 |
| 文件大?。?/td> | 676K |
| 代理商： | FX818 |
CTCSS Signalling Processor
FX818
1997
Consumer Microcircuits Limited
5
D/818/4
1.3
Signal List
(continued)
Package
D2/D5
Signal
Description
Pin No.
Name
Type
8
9
NC
NC
) No internal connection. Do not make
) any connection to these pins.
10
A/D CAP
O/P
An internal reference voltage for the A to D,
decoupled to V
SS
by an external capacitor.
11
NC
No internal connection. Do not make any
connection to this pin.
12
Vss
Power
The negative supply rail (ground).
13
V
BIAS
O/P
A bias line for the internal circuitry, held at
V
DD
. This pin must be decoupled by a capacitor
mounted close to the device pins.
14
RX AMP IN
I/P
The inverting input to the Rx input amplifier.
15
RX AMP OUT
O/P
The output of the Rx input amplifier and the input
to the audio filter section.
16
RX AUDIO OUT
O/P
Output of the Rx audio filter section.
17
NC
No internal connection. Do not make any
connection to this pin.
18
SUM IN
I/P
Input to the audio summing amplifier.
19
SUM OUT
O/P
Output of the audio summing amplifier.
20
MOD1 IN
I/P
Input to MOD1 audio gain control.
21
TX SUB AUDIO OUT
O/P
Output of the CTCSS tone generator.
22
MOD1
O/P
Output of MOD1 audio gain control.
23
MOD2
O/P
Output of MOD2 audio gain control.
24
V
DD
Power
The positive supply rail. Levels and voltages are
dependent upon this supply. This pin should be
decoupled to V
SS
by a capacitor.
Notes:
I/P
O/P
=
=
Input
Output
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相關(guān)代理商/技術(shù)參數(shù) |
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| FX818D2 | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:CTCSS SIGNALLING PROCESSOR |
| FX826 | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS/TACS System Audio Processor |
| FX826DW | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS / TACS SYSTEM AUDIO PROCESSOR |
| FX826J | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS/TACS System Audio Processor |
| FX828 | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:CTCSS/DCS/SELCALL Processor |
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