參數(shù)資料
型號: AS5501
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 調(diào)制器/解調(diào)器
英文描述: ER 4C 4#8 SKT RECP BOX
中文描述: 2.4 kbps DATA, MODEM, PDSO28
封裝: SOIC-28
文件頁數(shù): 17/26頁
文件大小: 315K
代理商: AS5501
Fin/Fbaud
typ. Gain
0.75
-3.0dB
1.3
-25dB
A comparator with hysteresis of appr. 200mV and adjustable (bias-distortion wafer-sort-trim)
absolute reference is converting the DataFilter-output to RXDA (asynchronous receive data).
1.3.6 Bit Error Rate
The system specification of BER is the following:
Parameter
BER1 Bit Error Rate with
Minimum Input Level
BER3 Bit Error Rate with
Maximum Input Level
BER4 Bit Error Rate with
Medium Input Level
BER5 Bit Error Rate with
Impulsive Noise
Condition
min
typ
5*10
-5
max
10
-3
White Noise with S/N=13dB
RXL = 1.5mVrms
White Noise with S/N=25dB
RXL = 1.5Vrms
White Noise with S/N=13dB
RXL = 600mVrms
Noise: 5Vpp rect., 100Hz,
DC=10%, Trise/fall=10us;
RXL=90mVrms
Noise: sine carrier w. 80% AM;
Fmod=1kHz, special S/N-Mask
RXL=1.5Vrms
10
-7
10
-3
10
-6
10
-3
10
-3
BER6 Bit Error Rate with
Modulated Sinusoidal Noise
10
-3
1.3.7 CKR-GEN
There is a digital pll for receive-clock reconstruction. The signal RXDA (async. RXD) gets
synchronised by this clock which then gives the synchronous receive data signal RXD.
A multiplexer is used to select RXDA or RXD to be transferred to the pin RXD by the use of
a control bit "ASYN". The signal RXDA is used to verify the Mixer and DataFil-structure.
A second multiplexer selects CKRX or CKTX to be transferred to pin CLKR/T by the use of
control signal "TxEn". In synchronouse-mode RXD is valid at the high going edge of
CKR/T.
1.4 TEST-MUX
A test-input pin, a test-output pin with attached buffer and multiplexers are used to have
access to some internal nodes for testing. To have access to internal nodes of the receiver in
normal receive operation, the bit TEST_D6 can be set to H for avoiding TST_IN function.
The asic is forced to one of these test-modes by setting the control-bits TEST1 and TEST2.
Test1 Test2 Mux-State
TST-IN
TST-OUT CKSYS Reset-Delay TX-Timeout
0
0
0
bypass timer
VREF
MCLK/2
300ms
3sec
1
0
1
IFI
IFO
FSK_ZC
300ms
3sec
0
1
2
TXI
RXO
SC-CLK
1.17ms
11.7ms
1
1
3
DPLL-IN
DFO
Fmixer
1.17ms
11.7ms
Mux-State 0 (Normal Operation): In normal operation the test-muxes are in position 0. In
this configuration, the reference voltage VREF (2.5V) is present at pin TST-OUT.
In this mode the reset and TX-timeout counter are bypassed with TST-IN set to H.
AS5501 / AS5502 Multimode Powerline Modem
Data Sheet
Rev A, May 2000
Page 16/25
相關(guān)PDF資料
PDF描述
AS5502 Multimode Powerline-Modem
AS6UA25616 2.3V to 3.6V 256K×16 Intelliwatt low-power CMOS SRAM with one chip enable(2.3V 到 3.6V 256K×16 Intelliwatt 低功耗 CMOS 靜態(tài)RAM(帶單片使能))
AS6UA25616-BC 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
AS6UA25616-BI 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
AS6UA25616-TC 2.3V to 3.6V 256K】16 Intelliwatt⑩ low-power CMOS SRAM with one chip enable
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