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NTE826

Integrated Circuit TV Sound System, 2W

NTE Electronics 

Electrical Characteristics (Cont’d):

Parameter

Test Conditions

Zero Regulating Voltage (Pin6)

Feedthrough Signal (Pin1)

Resistance at Pin7 = 0Ω

Current into Pin6

Voltage at Pin6 = 10V

AM Rejection

Recovered Audio (Pin8)

VIN = 1 to 100mVrms, ∆f = 25kHz, AM = 30%

Input Limiting Voltage (Pin16 to Pin1)

Output Noise, Input Signal Removed (Pin1) Resistance at Pin7 = 10Ω

Distortion (Pin8)

Input Impedance (Pin16)

∆f = 25kHz, fo = 4.5MHz

Current into Pin2 (Zero Audio Output

at Pin1)

V2 = 24V

Min Typ Max Unit

10.5 11.5 12.5 V

–

– 15 mVrms

7.0 10.8 15.0 mA

40 – – dB

350 500 – mVrms

40 – 60 V/V

– 70 150 mVrms

– 1.2 2.0 %

50 200 – kΩ

2 5 20 mA

Pin Connection Diagram

Power Amp Output 1

Power Amp V+ 2

Ripple Bypass 3

Heat Sink 4

Heat Sink 5

IF V+ 6

Volume Control 7

Detector Output 8

IF Output 9

18 Power Audio GND

17 Low Level Audio GND

16 Power Amp Input

15 Heat Sink

14 Heat Sink

13 IF Input

12 IF In Decpl

11 IF GND

10 Detector Input

18

10

1

9

.870 (22.1) Max

.100 (2.54)

.800 (20.3)

.150

(3.8)

.250

(6.35)

.125 (3.17) Min

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