NTE7116 データシートの表示（PDF） - NTE Electronics

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NTE7116

Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder (BTSC System)

NTE Electronics 

AC Characteristics (Cont’d): (VS = 8.5V, TA = +25°C, AC Conditions: (1) Input signal (Vi) of

815mVP–P for L = 1, R = 1 (mono), fm = 1kHz (80% modulation); (2)

MUX input signal (Vi) of 1.2VP–P for L = 1, R = 0 and no dbx, fm = 1kHz

(stereo) and Vpilot = 200VP–P; (3) S1 open, unless specified (without

L – R filter), VCO measured with an external IF roll–off network (–2dB

at 31.5kHz = 2fH) at the input. All the above conditions apply unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Source Selector (Cont’d) (Pin6)

Switching Level (External Selected)

Voltage

VIH

Current

IIH Vi = VP

Muting Circuit (Pin7)

2

–

VP V

–

0.1

1.0 µA

Input Voltage

Input Current

VIL Mute ON

VIH Mute OFF

–IIL Mute ON, VIL = 0.8V

IIL Mute OFF, VIH = VP

–

–

0.8 V

2

–

VP V

–

10

25 µA

–

0.1

1.0 µA

Note 4. Intermodulation suppression (Beat Frequency Components (BFC)):

α2 =

VO (signal) (at 1kHz)

VO (spurious) (at 1kHz)

α3 =

VO (signal) (at 1kHz)

VO (spurious) (at 1kHz)

; fs = (2 x 8.367kHz) –fH

; fs = (3 x 10.823kHz) –2fH

measured with 100% modulated input signal: L = R; pilot signal = 200mVP–P; fm = 8.367 or

10.823kHz.

Pin Connection Diagram

Multiplexer Input 1

Pilot Presence Det 2

LED Driver Output 3

VCO 4

VP 5

Source Selector Input 6

Mute Input 7

Input 2, Left 8

Input 2, Right 9

VO Right 10

20 GND

19 Phase Det

18 L–R De–Emphasis

17 L–R De–Emphasis

16 Smooth Mono/Stereo Control

15 VO Decoder Left De–Emphasis

14 VO Decoder Right De–Emphasis

13 Input 1, Left

12 Input 1, Right

11 VO Left

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