FMC150 User Manual
r1.6
FMC150 User Manual
January 2012
www.4dsp.com
- 13 -
Figure 6: PLL1 loop filter design
Reference
Value
Chip Resistor Size
C52
100 nF
0603
R47
4.7 k
Ω
0603
C51
22 µF
0805
R44
160
Ω
0603
C50
100 nF
0603
Table 3: Loop filter component values
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
# Pins
Max Amps
Max Watt
+3.3V
4
3 A
10 W
+12V
2
1 A
12 W
VADJ (+1.8V / +2.5V)
4
4 A
10 W
VIO_B (VADJ)
2
1.15 A
2.3 W
Table 4: FMC standard power specification
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
Typical
Maximum
VADJ
554 mA
665 mA
3P3V
20 mA
100 mA
12P0V
368 mA
442 mA
3P3VAUX (Operating)
3P3VAUX (Standby)
0.1 mA
0.01 µA
3 mA
1 µA
Table 5: Typical / Maximum current drawn from FMC carrier card
