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NTE7018

Integrated Circuit Small–Signal Subsystem for Color TV

NTE Electronics 

DC and AC Electrical Characteristics (Cont’d): (VCC = V7–6 = 12V, TA = +25°C, unless otherwise

specified)

Parameter

Horizontal Oscillator (Pin23)

Free–Running Frequency (R = 34kΩ, C = 2.7nf)

Spread with Fixed External Components

Frequency Variation due to Change of Supply Voltage

from 9.5V to 13.2V

Frequency Variation with Temperature

Maximum Frequency Shift

Maximum Frequency Deviation at Start H–Out

Horizontal Output (Pin26)

Symbol Min Typ Max Unit

fFR

∆f

∆fFR

TC

∆fFR

∆fFR

– 15,625 –

HZ

–

0.4

4.0

%

–

0

0.5

%

–

– 1 x 10–4 °C–1

–

–

10

%

–

8

10

%

Output Voltage (High Level)

(at which Protection Commences)

(Low, I26 = 10mA)

Duty Cycle of Horizontal Output Signal (tp = 10µs)

Rise Time of Output Pulse

Fall Time of Output Pulse

Flyback Input and Sandcastle Output (Note 9)

V26–6

d

tR

tF

–

–

13.2

V

–

–

15.8

–

0.15

0.5

– 0.45

–

–

260

–

ns

–

100

–

ns

Input Current Required During Flyback Pulse

Output Voltage (During Burst Key Pulse)

(During Horizontal Blanking)

(During Vertical Blanking)

Width of Burst Key Pulse (60HZ)

(50HZ)

Width of Horizontal Blanking Pulse

Width of Vertical Blanking Pulse

(50HZ Divider in Search Window)

(60HZ Divider in Search Window)

(50HZ Divider in Narrow Window)

(60HZ Divider in Narrow Window)

Delay Between Start of Sync Pulse at Video Output and Rising

Edge of Burst Key Pulse

Coincidence Detector Mute Output (Note 10)

I27

V27–6

tW

0.1

–

2.0

8.0 9.0

–

4.0 4.35

5.0

2.1 2.5

2.9

3.1 3.5

3.9

3.6 4.0

4.4

Flyback Pulse Width

–

21

–

–

17

–

–

25

–

–

21

–

–

5.2

–

mA

V

µs

lines

µs

Voltage for In–Sync Condition

Voltage for No–Sync Condition, No Signal

Switching Level to Switch Off the AFC

Hysteresis AFC Switch

Switching Level to Activate Mute Function

(Transmitter Identification)

Hysteresis Mute Function

Charge Current in Sync Condition 4.7µs

Discharge Current in Sync Condition 1.3µs

Vertical Ramp Generator (Note 11)

Input Current During Scan

Discharge Current During Retrace

Sawtooth Amplitude

V22–6

– 10.3

–

V

V22–6

–

1.5

–

V

V22–6

–

6.4

–

V

V22–6

–

0.4

–

V

V22–6

–

2.4

–

V

V22–6

–

0.5

–

V

I22(P–P)

0.7

1.0

–

mA

I22(P–P)

–

0.5

–

mA

I2

–

0.5

2.0

µA

I2

–

0.4

–

mA

V2–6(p–P)

–

0.8

1.1

V

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