MX829P Ver la hoja de datos (PDF) - MX-COM Inc
Número de pieza
componentes Descripción
Fabricante
MX829P Datasheet PDF : 28 Pages
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Baseband Signal Processor
23
MSK Receiver
Signal Input Dynamic Range (SNR = 50dB)
Bit Error Rate
SNR = 12dB at 1200 Baud
SNR = 12dB at 2400 Baud
SNR = 20dB at 1200/2400 Baud
Receiver Synchronization (SNR = 12dB)
Probability of Bit 16 being correct
Carrier Detect
Sensitivity
Probability of Carrier Detection
After Bit 16 (SNR = 12dB)
With 230mVRMS Noise (No Signal)
Miscellaneous Impedance
FILTER OUT
Tx Audio Input (MIC) (at 100Hz)
Xtal/Clock Input
'High' pulse width
'Low' pulse width
Input Impedance (at 100Hz)
Gain (INPUT = 1mVRMS at 100Hz)
Operating Characteristics Notes:
Notes
MX829 PRELIMINARY INFORMATION
Min. Typ. Max. Units
10, 11
11
11
11
12
100 230 1000 mVRMS
2.5
10-4
1.5
10-3
1.0
10-8
0.995
%
12, 13
150 mVRMS
0.995
%
0.05
%
600
Ω
10
MΩ
4
40
ns
4
40
ns
10
MΩ
20
dB
1. Signal levels are proportional to VDD.
2. Not including any current drawn from the modem pins by external circuitry.
A. Powersaved = all functions disabled.
B. Tx or Rx = device configured into any half-duplex operating mode.
3. Small signal impedance. A minimum load resistance of 6kΩ is suggested.
4. Timing for an external input to the XTAL/CLOCK pin.
5. Between MIC or AMP1 inputs to Modulator and Audio outputs, see Figure 12 and Figure 13.
6. It is recommended that these output levels are used to produce 60% or 100% deviation in the transmitter.
7. With the Tx Audio input level 20dB above the level required to produce 0dB at the Output Drives.
8. With output gains set to 0dB.
9. IRQ pin.
10. See Figure 16 (variation of BER with Input Signal Level).
11. SNR = Signal to Noise Ratio in the Bit Rate Bandwidth.
12. For a "10101010101 ...01" pattern.
13. Measured with a 150mVRMS input signal (no noise).
14. dBp represents a psophometrically weighted measurement.
© 1998 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480160.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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