SAA7806H NXP [NXP Semiconductors], SAA7806H Datasheet - Page 52
SAA7806H
Manufacturer Part Number
SAA7806H
Description
One chip automotive CD audio device
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.SAA7806H.pdf
(73 pages)
- Current page: 52 of 73
- Download datasheet (349Kb)
Philips Semiconductors
9397 750 13697
Objective data sheet
Fig 32. Functional diagram of radial PID system
R1
R2
satellite inputs
86
87
NORMALIZER
or drop out
zero on
An explanation of the different parameters is given below. The frequency response of this
system is given in
Table 13:
[1]
Parameter
G
G
defect
Fig 33. Bode diagram of radial PID system
1
2
3
4
3
5
E
/
= (
Refer to Table 2 of the HSI specification .
2
amplitude
rad_gain
1
scaled
radial
error
.
(dB)
2
Radial PID parameters
/
rad_int_strength
3
)
D
I
P
Figure
1/j
5
Controlled by
-
-
rad_parm_play
rad_pole_noise
rad_length_lead
rad_int_strength
rad_gain
end stage gain
Rev. 01 — 20 June 2005
I
33:
rad_int
1 j /
1
j /
1
[1]
3
3
P
Comment
radial integrator bandwidth
beginning of radial lead
end of radial lead (differentiating part)
low-pass function following PID
lead length (proportional part)
integrator strength
radial loop gain
defined as peak-to-peak voltage swing over radial
actuator
rad_lead_length
2
2
/
3
D
sledge error signal
One chip automotive CD audio device
rad_pole_lead
3
4
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
rad_pole_noise
G
4
67
SAA7806
RA
G
E
001aab775
actuator
radial
frequency
001aab776
(log Hz)
52 of 73
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