NTE1558 Просмотр технического описания (PDF) - NTE Electronics

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NTE1558

Switchless Rec/PlayBack Amp for VCR

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 9V, f = 1kHz unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Leak Output for Playback Muting

VO(PM) PB in to Line Out, VIN =

−40dBm(PM)

− −40 −30 dBm

Leak Output for Recording Muting

VO(RM) PB in to Line Out, VIN =

−40dBm(RM)

− −46 −36 dBm

Output Voltage II for ALC Operation VOAII Mic In to Line Out, VIN = −60dBm(R) 0.46 0.58 0.73 V

Output Voltage I for ALC Operation VOAI Mic In to Line Out, VIN = −30dBm(R) 0.60 0.80 1.10 V

Line Output Distortion

for ALC Operation

THDA VIN = −30dBm, BW = 500 to 5kHz(R) − 0.4 1.0 %

Recording Amp. Distortion

Line Amp. Outisde Noise

THDR VO = 9dB (R)

VNOL DIN Audio F. (M)

− 0.2 0.6 %

− −68 −58 dBV

Note *. (P), (R), (PM), and (RM) represent the playback mode, recording mode, and muting mode

respectively.

Pin Connection Diagram

Pre−Bypass 1

PB Input 2

PB NFB 3

Pre−Output 4

GND 5

Filter 6

Line NFB 7

Line Input 8

Line Input 9

18 MIC Input

17 ALC Output

16 ALC Input

15 VCC

14 P/R Cont Input

13 Rec Output

12 Rec Input

11 Rec NFB

10 Line Output

18

10

1

9

.870 (22.1) Max

.150

(3.8)

.250

(6.35)

.100 (2.54)

.800 (20.3)

.125 (3.17) Min

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