Datum Systems PSM-500L Especificações descarregar pdf (Página 17)

PSM-500/500L/500LT SCPC Satellite Modem Description

PSM-500/500L/500LT - Rev. 0.91

Page 1-7

Doppler

FIFO Buffer

Program

mable

Transmit

Interface

DB37

Female

at J3

RS-449

V.35

RS-232

etc.

FEC

Encoder

Baseband Signal

Processing

Modulator

TClk

TData

RTS

CTS

V.35/Intelsat

and

Differential

Encoder

Programmabl

e Attenuator

Transmit SynthesizerProcessor Control

Option

Interface

Connector

Clk

Program

mable

Receive

Interface

DB37

Female

at J3

RS-449

V.35

RS-232

etc.

RClk

RData

Ready

Option

Interface

Connector

Ext

FIFO

Clk

XMT Out

70 MHz

or L-Band

Figure - M500 Modem Block Diagram

FEC

Decoder

Baseband Signal

Processing

Demodulator

V.35/Intelsat

and

Differential

Decoder

Front end

AGC/Amp

A/D

Conversion

Receive Synthesizer

RCV In

70 MHz

(or L-Band)

Out Clk

In Clk

Modem

Reference

Oscillator

MODULATOR

DEMODULATOR

Interface & Loop-

Back Circuits

DSP Aquisition

Processor

25 dB

Loopback

Attenuator

Term

Low

Pass

Filter

Term

Ext. Reference In

Clock

Control

Aux.

Con-

nection

at J4

Figure 1-2 Modem Block Diagram

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 123 124

Comentários a estes Manuais

Sem comentários

Datum Systems PSM-500L Especificações Página 17

Comentários a estes Manuais

Manuais e produtos relacionados com Redes Datum Systems PSM-500L