NTE1633 Ver la hoja de datos (PDF) - NTE Electronics

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NTE1633

Integrated Circuit TV Sound Channel w/DC Controls

NTE Electronics 

Electrical Characteristics: VS = 24V, S1: ON, ∆f = ± 25kHz, Vi = 1mV, P1 = 12kΩ, fo = 4.5MHz,

fm = 400Hz, TA = +25°C unless otherwise indicated)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

DC Characteristics

Supply Voltage (Pin18)

Quiescent Output Voltage (Pin18)

DC Voltage (Pin1)

DC Voltage (Pin4)

Quiescent Drain Current (Pin4)

IF Amplifier & Detector

VS

P2 = 12kΩ

VO

V1

P2 = 12kΩ, R1 = 270kΩ

V4

P2 = 12kΩ

Id

10.8 –

11 12

– 5.3

– 3.2

– 32

27 V

13 V

–V

–V

– mA

Input Limiting Voltage @ Pin2 (–3dB)

Recovered Audio Voltage (Pin9)

Amplitude Modulation Rejection

Input Resistance (Pin2)

Input Capacitance (Pin2)

De–Emphasis Resistance

DC Volume Control

Vi(threshold)

V9

AMR

Ri

Ci

R9

VO = 4Vrms

∆f = ± 7.5kHz, P2 = 12kΩ

m = 0.3, V1 = 1mV,

VO = 4Vrms, Note 2

∆f = 0, P2 = 12kΩ

C1 = 60 to 888nF

– 50 100 µV

140 200 280 mV

– 60 – dB

– 30 – kΩ

– 6 – pF

0.75 1.1 1.5 kΩ

Volume Attenuation

(Resistance Control)

Control Voltage

KV

P2 = 0Ω

P2 = 4.3kΩ

P2 = 12kΩ

VC

K = 0dB

K = 26dB

– 0 – dB

20 26 32 dB

– 88 – dB

– 0 –V

– 1.3 – V

K = 88dB

– 2.6 – V

Volume Attenuation Thermal Drift

(Resistance Control)

DC Tone Control

∆KV

∆Tpins

Tpins = +25° to +85°C,

P2 = 4.3kΩ

– –0.05 – dB

°C

Tone Cut

Audio Frequency Amplifier

KT

S1: OFF, V10 = 200mV,

P1 = 12kΩ to 100kΩ,

fAF = 10kHz

– 14 – dB

Output Power (d = 10%)

Frequency Response of Audio

Amplifier (–3dB)

Supply Voltage Rejection

PO

B

SVR

VS = 24V, RL = 16Ω

VS = 12V, RL = 8Ω

PO = 1W, RL = 16Ω,

S1: OFF, V10 = 200mV

VO = 4Vrms, @ 400Hz

P2 = 12kΩ, ∆ f =0,

fripple = 120Hz

3.5 4.1

– 1.5

15 50

–W

–

– kHz

– 26 – dB

Note 2. Test Bandwidth = 20kHz

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