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Philips Semiconductors
Audio processor with head amplifier for VHS hi-fi
12 RECORD MODE CHARACTERISTICS
V
= 12 V; T
= 25 C; tuner audio input level 8 dBV at f = 1 kHz; auto-calibrated; measured in typical application
CC
amb
circuit of Fig.14; unless otherwise specified.
SYMBOL
Noise reduction (test 25b)
THD
total harmonic distortion
channel balance
cb
linearity
lin
noise level with respect to
n
signal level
t
attack time
att
t
recovery time
rec
frequency response 300 Hz
res(f1)
frequency response 10 kHz
res(f2)
audio low-pass filter
res(lpf1)
response 20 kHz
audio low-pass filter
res(lpf2)
response 60 kHz
FM modulator
THD
total harmonic distortion
f
maximum FM deviation of
FM(max)
clipper
f
carrier frequency accuracy
c(acc)
f
carrier frequency difference
c
f
carrier frequency shift
c(shift)
TC
temperature coefficient
Noise reduction and FM modulator
f
FM deviation
FM
Record output on pin RECOUT
I
output current accuracy
o(acc)
carrier mix ratio accuracy
f(acc)
IM2 product
IM2
Notes
1. B = 20 Hz to 20 kHz, unweighted.
2. Amplitude of 400 kHz intermodulation product f
1999 Apr 14
PARAMETER
tuner input signal at
tuner input signal at
tuner input signal level
from
in accordance with VHS specification
in accordance with VHS specification
tuner input frequency from
300 to 1000 Hz
tuner input frequency from
10 to 1 kHz
tuner input frequency from
20 to 1 kHz; test 26b
tuner input frequency from
60 to 1 kHz; test 26b
test 25a and 26a
auto-calibration
f
NTSC/PAL system switching
left and right carrier 1st harmonic
left compared to right carrier
note 2
CONDITIONS
normal level 8 dBV
high level +8 dBV
low level 68 to 8 dBV
high level 8 to +8 dBV
to 8 dBV; note 1
f
= 50 kHz; test 25a and 26a
FM
f
for NTSC auto-calibration
c(R)
c(L)
and f
compared to amplitude of recording current f
c(R)
c(L)
35
Product specification
TDA9605H
MIN.
TYP.
MAX.
0.1
0.3
0.2
1.0
1
0
+1
32
30.5
29
7.5
8
8.5
46
41
5
70
0.7
0.2
+0.3
3.1
3.9
4.7
0.5
0.1
+0.5
24
12
0.1
0.2
140
150
160
5
0
+5
399.2
401.2
403.2
97
100
103
50
44.5
50
56.1
1.5
0
+1.5
1
0
+1
66
c(R)
UNIT
%
%
dB
dB
dB
dB
ms
ms
dB
dB
dB
dB
%
kHz
kHz
kHz
kHz
ppm/K
kHz
dB
dB
dB
+ f
.
c(L)
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