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BH1414K-E2

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
BH1414K
Multimedia ICs
Total harmonic distortion
Input output gain
Signal to noise ratio
Sub carrier rejection ratio
Pilot output level
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
123 4 5 6 7 8 9 10 11
33 32 31 30 29 28 27 26 25
24
23
Shift register
4
1
2
1
19
1
50
1
2
V
CC
RF
RF OSC
Program
countor
Phase
detector
MUTE
MPX
LIMITER LIMITER19k/38kHz LPF 19k/38kHz LPF
GND3 V
CC
3
+−
REF
+−
EVR EVR
+−
REF
REF
REF
V
CC
2
GND2
GND1
V
CC
1
4.7
0.01
0.01
0.01
51k
51k
1000p
1000p
1
1
51k
10k
10k
620
0.01620
0.01
0.01
0.01
22
0.01
33
10k
4.7
10k
1
0.01
0.01
4.7
0.1
7.6MHz
∗27p
∗27p
0.01
330
+5V
0.01
PORT
DATA
CLOCKCE
Fig.3
f
IN
=400Hz
V
IN
=125mVrms
1HF BPF
200Hz~15kHz
Spectrum
analyzer
THD, G
V
, S/N
SCR
V
OP
V
V
0
0
−10
−20
−30
−40
−50
−60
10k 20k 30k 40k 50k
SCR
Frequency (Hz)
Output response(dB)
∗The constant of the capacitor must be determined by the agreement with a crystal maker.
BH1414K
Multimedia ICs
Limiter input level
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
123 4 5 6 7 8 9 10 11
33 32 31 30 29 28 27 26 25
24
23
Shift register
4
1
2
1
19
1
50
1
2
V
CC
RF
RF OSC
Program
countor
Phase
detector
MUTE
MPX
LIMITER LIMITER19k/38kHz LPF 19k/38kHz LPF
GND3 V
CC
3
+−
REF
+−
EVR EVR
+−
REF
REF
REF
V
CC
2
GND2
GND1
V
CC
1
4.7
0.01
0.01
0.01
51k
51k
1000p
1000p
1
1
51k
10k
10k
620
0.01620
0.01
0.01
0.01
22
0.01
33
10k
4.7
0.01
0.01
4.7
0.1
7.6MHz
∗27p
∗27p
0.01
330
+5V
0.01
PORT
DATA
CLOCKCE
Fig.4
f
IN
=400Hz
IHF BPF
200Hz~15kHz
V
IN(LIM)
THD=3%
V
∗The constant of the capacitor must be determined by the agreement with a crystal maker.
BH1414K
Multimedia ICs
LPF attenuation volume
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
123 4 5 6 7 8 9 10 11
33 32 31 30 29 28 27 26 25
24
23
Shift register
4
1
2
1
19
1
50
1
2
V
CC
RF
RF OSC
Program
countor
Phase
detector
MUTE
MPX
LIMITER LIMITER19k/38kHz LPF 19k/38kHz LPF
GND3 V
CC
3
+−
REF
+−
EVR EVR
+−
REF
REF
REF
V
CC
2
GND2
GND1
V
CC
1
4.7
0.01
0.01
0.01
51k
51k
1
1
51k
10k
10k
620
0.01620
0.01
0.01
0.01
22
0.01
33
10k
4.7
0.01
0.01
4.7
0.1
7.6MHz
∗27p
∗27p
0.01
330
+5V
0.01
PORT
DATA
CLOCKCE
Fig.5
f
IN
=400Hz→10kHz→19kHz→38kHz
V
IN
=125mVrms
V
O(LPF)
V
∗The constant of the capacitor must be determined by the agreement with a crystal maker.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

BH1414K-E2

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