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參數(shù)資料
| 型號(hào)： | LA4167M |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO30 |
| 封裝： | 0.375 INCH, MFP-30 |
| 文件頁(yè)數(shù)： | 3/21頁(yè) |
| 文件大小： | 372K |
| 代理商： | LA4167M |
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LA4167M
No.4036-11/21
Description of Externally Mounted Parts
Part name
Recommended value
Description
C1
47
μF to 100μF
Coupling capacitor for fOSC = 15Hz signal recording head.
C2
Record output bypass capacitor. Varies according to set manufacturer.
C3
22
μF to 33μF
NF capacitor for playback preamp and MIC amp.
A value higher than recommended will delay playback and MIC amp onset, resulting in a susceptibility to
popping at powerup.
C4
Resistor setting EQ curve for playback amp. Varies according to set manufacturer.
C5
0.1
μF to 1.0μF
Coupling capacitor for playback preamp to power amp and for MIC amp to REC amp. Preamp output is
positive.
C6
0.1
μF to 1.0μF
Coupling capacitor for recording signal head. REC amp output is positive.
C7
22
μF to 47μF
Capacitor controlling recovery time for ALC.
C8
1
μF to 4.7μF
Capacitor controlling VOX attack time. Be aware that an increase in capacitance causes a delay in attack time.
C8
VOX attack time
1
μF
10ms
4.7
μF
42ms
10
μF
120ms
C9
22
μF
Capacitor controlling time constant for continuing to keep governor circuit on even if VOX circuit is switched off.
C9
VOX off time
1
μF
0.45s
10
μF
2s
22
μF
4.2s
C10,
C11
Capacitor controlling cue-tone OSC signal fOSC
C10,C11
fOSC
0.47
μF
Approx. 15Hz
0.15
μF+0.033μF
Approx. 40Hz
0.047
μF
Approx. 150Hz
C12
1000pF to 2200pF
Damping capacitor. Ceramic capacitor is recommended.
C13
0.015
μF to 0.033μF
Damping capacitor. Film capacitor is recommended.
C14
0.22
μF to 0.33μF
Damping capacitor.
C15
0.1
μF to 1μF
Earphone output variable capacitor.
C16
0.033
μF to 0.068μF
Damping capacitor. Film capacitor is recommended.
C17
220
μF
Power supply line decoupling capacitor.
C18
1
μF
Load (motor) bypass capacitor.
C19, 20
0.1
μF to 1μF
Capacitor controlling muting time.
C21
10
μF
Ripple filter capacitor for reference voltage sources MIC VCC pin 26 and VREF pin 27. Be aware that an
increase in capacitance causes an increase in the pin 10 and pin 27 smoothing, delaying onset when the
power supply is switched on.
C22
2.2
μF to 10μF
Decoupling capacitor for reference bias (MIC VCC).
C23
10
μF to 22μF
Decoupling capacitor for reference bias ( VREF).
C24
3300pF to 4700pF
High-pass capacitor for MIC input.
C25
6800pF
Damping capacitor. Ceramic capacitor is recommended.
C26
0.033
μF to 0.068μF
MIC input bias and low-pass capacitor.
Continued on next page
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