參數(shù)資料
型號: MX803A
廠商: Electronic Theatre Controls, Inc.
英文描述: Audio Signaling Processor
中文描述: 音頻信號處理器
文件頁數(shù): 23/26頁
文件大?。?/td> 225K
代理商: MX803A
Audio Signaling Processor
23
MX803A PRELIMINARY INFORMATION
1996 MX
COM, INC.
Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480122.003
Operating Characteristics
For the following conditions unless otherwise specified:
V
DD
= 5.0 @ T
AMB
= 25
°
C Xtal = 4MHz (refer to section 5.2.4.4 for Xtal Scaling factor)
Audio level 0dB ref. = 308mV
RMS
@ 1kHz (60% deviation, FM)
Noise Bandwidth = 5.0kHz Band-Limited Gaussian
Notes
Min.
Typ.
Max.
Units
Static Values
Supply Voltage
Supply Current
Decoder + Both Timers
Decoder, Both Timers + One TX only
All Functions Enabled
Analog Impedance
RX Audio Input
Summing Amp Input
Switch
Tones 1 and 2 Outputs
CAL/CUES Output
Summing Outputs
Dynamic Values
Digital Interface
Input Logic “1”
Input Logic “0”
Output Logic “1” (I
OH
= -120
μ
A)
Output Logic “0” (I
OL
= 360
μ
A)
I
OUT
Tristate (Logic “1” or “0”)
Input Capacitance
I
OX
(V
OUT
= 5V)
Overall Performances
RX - Decoding
High Band
Sensitivity
Tone Response Time
Good Signal
Tone-to-Noise Ratio = 0dB
Frequency
Band
Measurement Resolution
Measurement Accuracy
4.5
5.0
5.5
V
2.0
4.0
5.0
mA
mA
mA
20.0
20.0
1.0
10.0
5.0
10.0
M
M
k
k
k
k
1
1
2
3
3
1
4
3.5
V
V
V
V
μ
A
pF
μ
A
1.5
4.6
0.4
4.0
7.5
4.0
-20.0
dB
5,10
5,6,10
30.0
40.0
ms
ms
625
3000
Hz
%
%
0.2
0.5
9
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