NTE801 查看數據表（PDF） - NTE Electronics

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NTE801

Integrated Circuit FM Stereo Demodulator

NTE Electronics 

Electrical Characteristics:

Parameter

(VCC = +12V, TA = +25°C, Vin = 560mVRMS (2.8V(P–P)), fm = 1kHz

(L or R only), Pilot Level = 100mV(RMS) (10%), unless otherwise specified)

Test Conditions

Min Typ Max Unit

Maximum Standard Composite Input Signal

Maximum Monaural Input Signal

Input Impedance

THD = 0.5%

THD = 1.0%

Pin2

2.8 –

2.8 –

20 50

– VP–P

– VP–P

– kΩ

Stereo Channel Separation

30 40 – dB

Audio Output Voltage

Monaural Channel Balance

Desired Channel

Pilot Level = 0V

– 485 – mVrms

– – 1.5 dB

Total Harmonic Distortion

– < 0.3 – %

Ultrasonic Frequency Rejection

19kHz

– 34.4 – dB

38kHz

– 45 – dB

SCA Rejection

67kHz, No Modulation, Measured 9kHz Beat – 75 – dB

Stereo Switch Level

Capture Range

Pilot Only, Lamp ON

Pilot Only, Lamp OFF

Permissible Tuning Error

– 18

5.0 10

– 3.5

23 mVrms

– mVrms

–%

Supply Current

Lamp OFF

– 13 – mA

Pin Connection Diagram

VCC 1

Input 2

Audio Amp Output 3

Left Ch Output 4

Right Ch Output 5

Lamp Indicator 6

GND 7

14 OSC RC Network

13 19kHz Loop Filter

12 19kHz Loop Filter

11 Demodulator Input

10 19kHz Output

9 Stereo Switch Filter

8 Stereo Switch Filter

14

8

1

7

.785 (19.95)

Max

.200 (5.08)

Max

.300

(7.62)

.100 (2.45)

.600 (15.24)

.099 (2.5) Min

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