XE5620G Ver la hoja de datos (PDF) - Xecom

Número de pieza

componentes Descripción

Lista de partido

XE5620G

Smallest World-Wide 56 KBPS Modem

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XE5620G Typical Connection Diagram

XE5620G

Parts List for XE5620G Typical Connection Diagram

Reference

Designation Qty Description

Reference

Designation Qty Description

C1, C2

2 Cap. 470 pfd 2600V

U1

1 National Semi LM386

C3, C4

2 Cap. 0.1 ufd 20% 16V

LS1

1 Speaker, 8 Ohms

C5

1 Cap. 100 ufd 20% 10V

R1

1 Potentiometer, 10K

FB1, FB2

2 Ferrite, TDK ACB2012L-120 R2

1 Resistor, 10 Ohms 20 %

F1, F2

2 PTC, TR600-150

Notes:

1 FB1 and FB2 are ferrite beads which may be required for EMI filtering in your system. Without these

components you may experience unintended radiation when the telephone cable is attached. We recommend

selecting components such as the TDK ACB2012L-120 which provide a minimum of 100 ohms of impedance

at frequencies above 100 MHz.

2. C1 and C2 are high-voltage capacitors which may be required for EMI filtering in your system. Without these

components you may experience unintended radiation when the telephone cable is attached to your system. We

recommend selecting components such as the Panasonic ECKDRS471. This 470 pfd, 3000 volt capacitor will

direct the high frequency harmonics to the system ground. These capacitors must be rated at a minimum of 1500

volts to maintain the isolation required by FCC Part 68 Rules.

3. F1 and F2 are positive thermal coefficient (PTC) devices which protect the modem form excessive current

flow. These devices are required for your system to pass UL60950. Fuses may be used in place of the PTC’s

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XE5620G

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