78Q2132 Просмотр технического описания (PDF) - TDK Corporation

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78Q2132

1/10BASE-T HomePNA/Ethernet Transceiver

TDK Corporation 

78Q2132

1/10BASE-TX

HomePNA/Ethernet Transceiver

HomePNA Receiver

PARAMETER

Dynamic Range for 1% PER

Collision Domain

Signal/Noise

CONDITION

MIN

20mV necessary for 20m

PER measurements

Repeaters cannot be

used

100

NOM

MAX

1.2

500

UNIT

Vpk

ft

mV

Impulse Noise Performance

Receiver Signal level

(mV peak) ± 10%

20 to 1200

100 to 200

200 to 1200

Gaussian Noise Performance

Receiver Signal level

(mV peak ± 10 %)

20 to 1200

100 to 1200

Impulse Noise level

(mV peak) ± 10%

5

20

20

Packet Error Rate

(PER)

0.1 %

1%

0.1 %

Gaussian Noise level

(mV peak ± 10 %)

5

20

Packet Error Rate

(PER)

0.01%

0.5%

REFERENCE CRYSTAL

If the internal crystal oscillator is to be used, a crystal with the following characteristics should be chosen:

NAME

VALUE

Frequency

25.00000

Load Capacitance

15

Frequency Tolerance

±50

Aging

±2

Temperature Stability ( 0 – 70oC)

±5

Oscillation Mode

Parallel Resonance, Fundamental Mode

Parameters at 25oC ± 2oC ; Drive Level = 0.5 mW

Shunt Capacitance (max)

8

Motional Capacitance (min)

10

Series Resistance (max)

25

Spurious Response (max)

> 5 dB below main within 500 kHz

UNITS

MHz

pF

PPM

PPM/yr

PPM

pF

fF

Ω

31

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