11

LTC1346A

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

Figure 12a. Multiprotocol Transmitter

LT1030

LTC487

LT1346A

125

Ω

50

Ω

V.35 DIFFERENTIAL

CONNECTION WITH

TERMINATION

RS422

DIFFERENTIAL

CONNECTION

RS232

CONNECTION

NO CONNECTION

1346A F12a

LOGIC

INPUT

50

Ω

Figure 12b. Multiprotocol Receiver

LT1346A

1346A F12b

LOGIC

OUTPUT

125

Ω

100

Ω

5k

50

Ω

50

Ω

V.35 DIFFERENTIAL

CONNECTION WITH

TERMINATION

RS422 DIFFERENTIAL

CONNECTION WITH

TERMINATION

RS232

CONNECTION WITH

TERMINATION