4DSP FMC150 Manual do utilizador - Página 13

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FMC150 User Manual

Reference

C52

R47

C51

R44

C50

4.8 Power supply

Power is supplied to the FMC150 card through the FMC connector. The pin current rating is

2.7A, but the overall maximum is limited according to Table 4.

Voltage

+3.3V

+12V

VADJ (+1.8V / +2.5V)

VIO_B (VADJ)

The power provided by the carrier card can be very noisy. Special care is taken with the power

supply generation on the FMC150 card to minimize the effect of power supply noise on clock

generation and data conversion.

Power plane

VADJ

3P3V

12P0V

3P3VAUX (Operating)

3P3VAUX (Standby)

Table 5: Typical / Maximum current drawn from FMC carrier card

January 2012

Figure 6: PLL1 loop filter design

Value

100 nF

4.7 kΩ

22 µF

160 Ω

100 nF

Table 3: Loop filter component values

# Pins

Table 4: FMC standard power specification

FMC150 User Manual

www.4dsp.com

Chip Resistor Size

Max Amps

Max Watt

3 A

10 W

1 A

12 W

4 A

10 W

1.15 A

2.3 W

Typical

Maximum

554 mA

665 mA

20 mA

100 mA

368 mA

442 mA

0.1 mA

3 mA

0.01 µA

1 µA

r1.6

0603

0805

0603

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