NTE791 Просмотр технического описания (PDF) - NTE Electronics

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NTE791

Integrated Circuit TV Chroma Amplifier Demodulator

NTE Electronics 

Static Electrical Characteristics: (TA = +25°C, VCC = 24V, Note 2 unless otherwise specified)

Parameter

Pins

Test Conditions

Min Typ Max Unit

Supply Current

12

– 40 50 mA

Input D–C Voltage Chroma Demod 13

– 5.5 –

V

R–Y Inj.

8

– 6.1 –

V

B–Y Inj.

7

– 6.1 –

V

Amplifier No. 1

2

– 1.6 –

V

Amplifier No. 2

4

– 1.6 –

V

Output DC Voltage Amplifier No. 1

3 V1 = V14

(ACC at 1/2 Max. Gain)

– 18 –

V

V1 – V14 = 100mV

(ACC Max Gain)

– 13 –

V

V14 –V1 = 100mV

(ACC Min Gain)

– 23 –

V

Demodulator

Output Differential Voltage

for any two outputs

9,10,11 Reference Injection = 1Vpp

9,10,11 Reference Injection = 1Vpp

13.3 14.3 15.3 V

– 200 600 mV

Output Tracking Temperature

Coefficient

9,10,11

– –1.0 – mV/°C

Amplifier No. 1 Sensitivity

Amplifier No. 2 Sensitivity

Relative Output Voltage R–Y

Relative Output Voltage G–Y

Demodulator A–C Unbalanced

90% Gain

10% Gain

Killer

2 B–Y = 2 Vrms

4 B–Y = 2 Vrms

10 B–Y = 2 Vrms

9 B–Y = 2 Vrms

9,10,11 Chroma Input = 0

11 V6 = 3V

11 V6 = 21V

11 V1 – V14 = 100mV Adj to Kill

V1 – V14 = 85mV

Output Must Recover

6.3 10 15 mVrms

35 50 80 mVrms

1.4 1.52 1.68 Vrms

300 400 500 mVrms

–

– 200 mVrms

– 1.8 – Vrms

– 0.2 – Vrms

–

– 500 mVrms

2.5 – –

Note 2. ACC inputs biased from 11V thru 62kΩ

Note 3. B–Y Reference Injection = 1Vpp < 106°C

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