NTE747 데이터 시트보기 (PDF) - NTE Electronics

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NTE747

Integrated Circuit Low Level Video Detector

NTE Electronics 

Electrical Characteristics: (TA = +25°C, V+ = 20V, Q = 30, fC = 45MHz unless otherwise specified)

Parameter

Pin

Test Conditions

Min Typ Max Unit

Maximum Output Voltage Swing

4

Carrier Rejection at Output

4

– 7.7 – VP–P

42 60 –

dB

Carrier Output Voltage

3dB bandwidth of IF carrier

3VP–P Output, fout = fC

3VP–P Output, fout = 2fC

7

–

1

– mVP–P

–

3

– mVP–P

– 80 – MHz

3dB Bandwidth of Video Output

4

– 12.3 – MHz

Input Resistance

7

– 3.5 –

kΩ

Input Capacitance

7

– 3.0 –

pF

Internal Resistance

2, 3 Across Tuned Circuit

– 4.4 –

kΩ

Internal Capacitance

2, 3

– 1.0 –

pF

AFT Buffer Output

AFT Buffer DC Level

1 At Carrier Frequency, Note 1

1

– 350 – mVP–P

– 6.5 –

V

Note 1. Measured with 10 times probe.

Pin Connection Diagram

AFT Buffer 1

Tuned Circuit 2

Tuned Circuit 3

Primary Video Output 4

8 GND

7 IF Input

6 VCC

5 Aux Video Output

8

5

.260 (6.6)

1

4

.390 (9.9)

Max

.155

(3.93)

.300

(7.62)

.100 (2.54)

.300 (7.62)

.145 (3.68)

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