NTE790 查看數據表（PDF） - NTE Electronics

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NTE790

Integrated Circuit Dual Chroma Demodulator

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = +25°C and V+ = 24V unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Chroma Input Sensitivity

Relative R–Y Output

V3

Adjust ec for 5V @ Pin13 (B–Y) – 0.2 0.35 Vp–p

V11

3.5 – 4.2 Vp–p

Relative G–Y Output

V9

0.75 – 1.25 Vp–p

VDC Difference Between any two

Output Pins

|V9|–|V13| ec = 0

– – 0.6 V

Input Impedance Reference Subcarrier

ri6, 7

– 1.7 – kΩ

Input Capacitance Reference Subcarrier

ci6, 7

Input Impedance at Chroma Inputs

ri3, 4

Input Capacitance at Chroma Inputs

ci3, 4

Output Resistance

ro

– 6 – pF

– 0.95 – kΩ

– 6 – pF

– 180 – Ω

Pin Connection Diagram

N.C. 1

N.C. 2

(–) Chroma 3

(+) Chroma 4

N.C. 5

R – Y Injection 6

B – Y Injection 7

14 GND

13 B – Y Output

12 N.C.

11 R – Y Output

10 N.C.

9 G – Y Output

8 VCC

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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