HSP43124SC-45 Intersil, HSP43124SC-45 Datasheet - Page 9

• Manufacturer Part Number: HSP43124SC-45
• Manufacturer: Intersil

Specifications of HSP43124SC-45

• Lead Free Status / RoHS Status: Not Compliant

FIGURE 10A. BLOCK DIAGRAM OF FIXED COEFFICIENT
F
NORMALIZED
F
NORMALIZED
HALFBAND
F
INPUT TO
NORMALIZED
MULTIPLEXERS’ DECODER TABLE AND EQUATIONS
MUX1 = (BIT2 AND BIT0) AND BIT1
MUX2 = BIT2
MUX3 = (BIT1 AND BIT0) OR BIT2
MUX4 = BIT1 OR BIT2
MUX5 = BIT0 OR BIT1 OR BIT2
INVALID = BIT2 AND BIT1
SECTION
BITS2-0
F
NORMALIZED
000
001
010
011
100
101
MUX1
F
NORMALIZED
HALFBAND FILTERS
= F
MUX2
= F
HB4
MUX3
MUX1
HB3
= F
0
0
0
0
0
1
MUX4
HB2
= F
0
MUX5
= F
HB1
0
MUX2
HB1
s
0
0
0
0
1
1
0
1
HB2
F
9
1
F
0
HB4
HB3
HB4
MUX3
7 TAP
F
1
0
F
HB3
11 TAP
0
0
0
1
1
1
= F
HB3
/2
HB4
F
1
F
HB2
19 TAP
HB2
HB3
HB5
= F
/2
F
1
F
MUX4
HB1
23 TAP
= F
/2
HB2
HB1
OUTPUT OF
HALFBAND SECTION
F
or F
0
0
1
1
1
1
s
F
35 TAP
HB1
/2
s
= F
/2
or F
HB3
s
or F
MUX5
HB2
/2
or F
0
1
1
1
1
1
HB1
/2
s
/2
/2
HSP43124
STAGE 1
STAGE 2
STAGE 3
STAGE 4
STAGE 5
FCLK
POSITE
FILTER
FIGURE 10B. SPECTRAL COMPOSITION OF FIVE CASCADED
FIGURE 10C. COMPOSITE RESPONSE OF FIXED COEFFI-
64
COM-
-100
-120
-140
-160
-180
-200
-20
-40
-60
-80
0
FCLK
FCLK
FCLK
FCLK
16
64
32
32
6dB BANDWIDTH
FCLK
FCLK
FCLK
FCLK
8
8
HALFBANDS
CIENT HALFBAND FILTERS WITH RESPECT TO
THE NORMALIZED FREQUENCY SHOWN IN FIG-
URE 10A
FCLK
8
8
16
(NORMALIZED TO OUTPUT FREQUENCY)
0.125
FCLK
FCLK
FCLK
FCLK
FCLK
4
4
4
4
4
NORMALIZED FREQUENCY
FCLK
FCLK
FCLK
0.25
F
F
2
2
2
2
2
S
S
HB1 TRANSITION BW
HB2
HB3
HB4
HB5
3FCLK
0.375
4
FCLK
FCLK
FCLK
FCLK
FCLK
FCLK
0.5