Philips Semiconductors
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASAuto)
Product specification
TZA1026
handbook,1h2alfpage
G
(dB)
8
4
(2)
(1)
MGR520
254
td
(ns)
252
250
handbook,1h2alfpage
G
(dB)
8
4
MGR521
132
(2)
td
(ns)
130
(1)
128
0
248
0
126
−4
10−1
246
1
f (MHz)
10
(1) Gain.
(2) Delay.
Definition of delay: td = ----3-------ϕ-6-f-----0-------
Fig.5 Equalizer gain and delay for n = 1.
handbook, h2alfpage
G
(dB)
0
−2
MGR522
47
td
(ns)
45
(1)
(2)
43
−4
10−1
124
1
f (MHz)
10
(1) Gain.
(2) Delay.
Definition of delay: td = ----3-------ϕ-6-f-----0-------
Fig.6 Equalizer gain and delay for n = 2.
Table 1 Recommended values of component per speed
for application diagram of Figs 8 and 9
n
C1
1
47 pF
2
22 pF
4
10 pF
−4
10−1
41
1
f (MHz)
10
(1) Gain.
(2) Delay.
Definition of delay: td = ----3-------ϕ-6-f-----0-------
Fig.7 Gain and delay for n = 4.
1998 Oct 30
11