HA12155 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12155

Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System)

Hitachi -> Renesas Electronics 

HA12155NT/HA12157NT

Equalizer Amplifier Gain (GH) vs. RGH

35

VCC = 14 V

30

RGL = 33 kΩ

RGP = 16 kΩ

RFQ = RF/Q = 24 k Ω

25 RFM = 390 kΩ

f = 6.3 kHz

20

at RGH = 33 kΩ

15

Vout = Ð5 dBs

10

5

5k 10 k 30 k 100 k 300 k 1 M

RGH (Ω)

Equalizer Amplifier Gain (GP) vs. RGP

50

VCC = 14 V

45 RGH = RGP = 33 k Ω

RFQ = R F/Q = 51 k Ω

RFM = 100 k Ω

40

f = 19 kHz

35

30

25

20

5k 10 k 30 k 100 k 300 k 1 M

R GP (Ω)

Rev.4, Jun. 1997, page 53 of 57

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