sza1000 NXP Semiconductors, sza1000 Datasheet - Page 13

• Manufacturer Part Number: sza1000
• Description: Qic Digital Equalizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 7 LPF tap positions
Address 23: LPF output scaling
Table 8 Output scaling: LPF_SHIFT
A
Address 24: QUAL_FIX_POS and Address 25: QUAL_FIX_NEG
QUAL_FIX_POS and QUAL_FIX_NEG contain the positive and negative fixed threshold (8-bit signed) values.
Address 26: Variable gain factors
Table 9 Gain factors: QUAL_VAR_GAIN; note 1
Note
1. GP and GN set the factors of the measured amplitude that are to be used as variable qualifier thresholds: GP for the
1998 Feb 16
MPLITUDE QUALIFIER
QIC digital equalizer
positive peaks and GN for the negative peaks.
D7
LPF_SHIFT (BINARY)
TAP POSITION
00000001
00000010
00000100
00001000
00010000
00100000
01000000
10000000
10
11
12
13
0
1
2
3
4
5
6
7
8
9
/
D6
DETECTOR FUNCTIONS
GP.2
D5
COEFFICIENT VALUES R = 1
GP.1
D4
LPF_VAL3
LPF_VAL2
LPF_VAL1
LPF_VAL1
LPF_VAL2
LPF_VAL3
+128
+128
0
0
0
0
0
0
LPF OUTPUT SCALING GAIN FACTOR
13
GP.0
D3
128
16
32
64
1
2
4
8
GN.2
D2
COEFFICIENT VALUES R = 2
LPF_VAL6
LPF_VAL5
LPF_VAL4
LPF_VAL3
LPF_VAL2
LPF_VAL1
LPF_VAL1
LPF_VAL2
LPF_VAL3
LPF_VAL4
LPF_VAL5
LPF_VAL6
GN.1
D1
+128
+128
Product specification
SZA1000
GN.0
D0