NTE708 데이터 시트보기 (PDF) - NTE Electronics

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NTE708

Integrated Circuit TV/FM Sound IF Amplifier

NTE Electronics 

Dynamic Characteristics: (FM Modulation Freq = 1kHz, Source Resistance = 50Ω,

TA = +25°C for all tests)

Parameter

Pin

Test Conditions

Min Typ Max

(V+ = 12V, fo = 4.5MHz, ∆f = ±25kHz, Peak Separation = 150kHz)

Amplifier Voltage Gain

10 Vin ≤ 50µVrms

AM Rejection

1 Vin = 10mVrms, Note 1

Input Limiting Threshold Voltage

4

– 60 –

– 36 –

– 250 –

Recovered Audio Output Voltage

1 Vin = 10mVrms

– 0.72 –

Output Distortion

1 Vin = 10mVrms

(V+ = 12V, fo = 5.5MHz, ∆f = ±50kHz, Peak Separation = 260kHz)

Amplifier Voltage Gain

10 Vin ≤ 50µVrms

AM Rejection

1 Vin = 10mVrms, Note 1

–

3

–

– 60 –

– 40 –

Input Limiting Threshold Voltage

4

– 250 –

Recovered Audio Output Voltage

1 Vin = 10mVrms

Output Distortion

1 Vin = 10mVrms

(V+ = 8V, fo = 10.7MHz, ∆f = ±75kHz, Peak Separation = 550kHz)

Amplifier Voltage Gain

10 Vin ≤ 50µVrms

– 1.2 –

–

5

–

– 53 –

AM Rejection

Input Limiting Threshold Voltage

1 Vin = 10mVrms, Note 1

4

– 37 –

– 600 –

Recovered Audio Output Voltage

1 Vin = 10mVrms

Output Distortion

1 Vin = 10mVrms

(V+ = 12V, fo = 10.7MHz, ∆f = ±75kHz, Peak Separation = 550kHz)

Amplifier Voltage Gain

10 Vin ≤ 50µVrms

AM Rejection

1 Vin = 10mVrms, Note 1

Input Limiting Threshold Voltage

4

– 0.3 –

– 1.4 –

– 53 –

– 45 –

– 600 –

Recovered Audio Output Voltage

1 Vin = 10mVrms

– 0.48 –

Output Distortion

1 Vin = 10mVrms

– 1.4 –

Unit

dB

dB

µVrms

Vrms

%

dB

dB

µVrms

Vrms

%

dB

dB

µVrms

Vrms

%

dB

dB

µVrms

Vrms

%

Note 1. 100% FM, 30% AM Modulation.

Pin Connection Diagram

Audio Output 1

Detector Input Ref 2

N.C. 3

IF Input 4

Decoupling 5

IF Input Ref 6

GND 7

14 De–Emphasis

13 VCC

12 Det Input (QuadratureNetwork)

11 Test Point

10 Amplifier Output

9 Amplifier Low Output

8 N.C.

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