參數(shù)資料
型號(hào): EM78568
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-BIT MICRO-CONTROLLER for FRS
中文描述: 8位微控制器為FRS
文件頁(yè)數(shù): 45/54頁(yè)
文件大?。?/td> 494K
代理商: EM78568
EM78568
8-bit Micro-controller for FRS
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
07/28/2004 V3.5
(3) TX : transmitting CTCSS tone
Audio
BPF
VRF
VRF
Rx AMP
MIC AMP
Z C
AURX/P65
RXO
RXI
MICI
MICO
Summing
AMP
MTX/P66
VRF
-10dB
0dB
ASW1 = 1
ASW2 = 1
RXPWR
LPFPWR
BPFPWR = 1
Sub-Audio
LPF
ASW4
MUX
PORT66
MTX
MUX
PORT65
AURX
P65S
P66S = 1
MUX
ASW3
MUX
MUX
MUX
DETO
TXPWR = 1
TXPWR = 1
RXPWR
VRX1
VTX1
VRX2
VTX2
VRX3
VTX3
VRX4
VTX4
(from DAC output buffer B2)
CTCSS tone input
MUX
MICO
AMUTE = 0
Fig.20
(4) TX : transmitting audio
Audio
BPF
VRF
VRF
Rx AMP
MIC AMP
Z C
AURX/P65
RXO
RXI
MICI
MICO
Summing
AMP
VRF
-10dB
0dB
ASW1
ASW2
RXPWR
LPFPWR = 1
BPFPWR
Sub-Audio
LPF
ASW4 = 1
MUX
PORT66
MTX
MUX
PORT65
AURX
P65S
P66S = 1
MUX
ASW3 = 1
MUX
MUX
MUX
DETO
TXPWR
TXPWR = 1
RXPWR
VRX1
VTX1
VRX2
VTX2
VRX3
VTX3
VRX4
VTX4
(from DAC output buffer B2)
CTCSS tone input
MUX
MICO
AMUTE
MTX/P66
Fig.21
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