Sim2 M80 Spécifications télécharger pdf (Page 33)

M80 Hardware Design

M80_HD_V1.0 - 33 -

(0.1µF to 1µF) ceramic capacitor should be in parallel with the 100µF capacitor, which is

illustrated in Figure 4. The capacitors should be placed close to the M80 VBAT pins.

The PCB traces from the VBAT pads to the power source must be wide enough to ensure that

there isn’t too much voltage drop occurring in the transmitting burst mode. The width of trace

should be no less than 2mm and the principle of the VBAT trace is the longer, the wider. The

VBAT voltage can be measured by oscilloscope.

C2C1

VBAT

+

C1=100uF, C2=0.1uF~1uF

Figure 4: Reference circuit of the VBAT input

3.3.3. Reference power design for module

The power design for the module is very important and the circuit design of the power supply for

the module largely depends on the power source. Figure 5 shows a reference design of +5V input

power source. The part number of this LDO IC is MIC29302WU. The designed output for the

power supply is 4.16V and the maximum load current is 3A, in order to prevent outputting

abnormal voltage, a zener voltage regulator is employed at the point of the output nearby the pin

of VBAT. Some elements have to be taken into account in the component select, such as Reserve

zener voltage is recommend 5.1V and the total dissipation is more than 1Watt.

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Table des matières

 55

1

Reiniging en onderhoud

5

Ontkalken van het apparaat

5

Veiligheidsinstructies

6

Algemene veiligheid

6

Cleaning and maintenance

9

Safety instructions

10

General safety

10

Electrical safety

10

Nettoyage et entretien

13

Instructions de sécurité

14

Sécurité générale

14

Reinigung und Wartung

17

Allgemeine Sicherheit

18

Sicherheitsanweisungen

18

Limpieza y mantenimiento

21

(fig. A & C)

21

Instrucciones de seguridad

22

Seguridad general

22

Seguridad eléctrica

22

Descargo de responsabilidad

23

Pulizia e manutenzione

25

Istruzioni per la sicurezza

26

Sicurezza generale

26

Rengöring och underhåll

29

Säkerhetsanvisningar

30

Allmän säkerhet

30

El-säkerhet

30

Säkerhetsanvisningar för

31

Friskrivning

31

Rengøring og vedligeholdelse

33

Sikkerhedsinstruktioner

34

Generel sikkerhed

34

Elektrisk sikkerhed

34

Sikkerhedsinstruktioner for

35

Ansvarsfraskrivelse

35

Rengjøring og vedlikehold

37

Puhdistus ja ylläpito

41

(kuva A & C)

41

Turvallisuusohjeet

42

Yleinen turvallisuus

42

Sähköturvallisuus

42

Vastuuvapauslauseke

43

Limpeza e manutenção

45

Desincrustação do aparelho

45

Instruções de segurança

46

Segurança geral

46

Segurança eléctrica

46

Instruções de segurança para

47



49



49



49



50



50



51



51



52



52



53



53



54

© Princess 2011 08/11

56

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