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NTE1633

Integrated Circuit TV Sound Channel w/DC Controls

NTE Electronics 

Electrical Characteristics (Cont’d): 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

VCR

Total Harmonic Distortion of

Pin9 Output Signal

d

∆ f = ±7.5kHz, Vi = 1mV

– 0.5 – %

Supply Voltage Rejection at

Output Pin9

SVR ∆f = 0, fripple = 120Hz, P2 = 12kΩ

– 66 – dB

Signal–to–Noise Ratio at

Output Pin9

S + N ∆f = ±25kHz, VI ≥ 1mV

N

– 70 – dB

Input Voltage (Playback)

V10

Vo = 4Vrms, P2 = 0, S1: OFF

50 70 100 mV

Input Resistance (Playback) R10 S1: OFF

10 – – kΩ

Total Harmonic Distortion for

20dB Overload of V10

d

S1: OFF, V10 = 1Vrms, VO = 4Vrms – 0.5 2.0 %

Overall Circuit

Signal–to–Noise Ratio

S + N Vi ≥ 1mV, VO = 4Vrms, ∆f = 0, Note 2 – 70 – dB

N

Distortion

d

PO = 50mW, VS = 24V, RL = 16Ω – 0.5 – %

∆f = ±7.5Hz,

Note 2

VS = 12V, RL = 8Ω – 0.5 – %

Muting

Deviation Sensitivity

M

VO = 4Vrms @ no V1; V1 = 0, Note 2 – 100 – dB

∆f

P2 = 0

VO = 4Vrms

– 3 6 kHz

Note 2. Test Bandwidth = 20kHz

Pin Connection Diagram

Turn–Off Muting 1

Sound IF Input 2

IF Decoupling 3

IF Decoupling 4

GND 5

GND 6

Detector (FM) 7

Detector (FM) 8

De–Emphasis & VCR Output 9

VCR Input 10

20 AF PA Input

19 AF PA Feedback

18 VCC

17 AF PA Output

16 GND

15 GND

14 DV VC Output

13 Volume Control

12 Tone Control

11 Tone Control Capacitor

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