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NTE7132

Integrated Circuit Horizontal and Vertical Deflection Controller for VGA/XGA and Multi–Frequency Monitors

NTE Electronics 

Electrical Characteristics (Cont’d): (VP = 12V, TA = +25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Vertical Oscillator (Vref = 6.25V)

Vertical Free–Running Frequency

fo R15 = 22kΩ, C16 = 0.1µF 40.0 42.0 43.3 Hz

Nominal Vertical Sync Range

fV No fo Adjustment

50 – 110 Hz

Voltage on Pin15

V15 R15 = 22kΩ

2.8 3.0 3.2 V

Delay Between Sync Pulse and Start of Vertical td Measured on Pin8,

500 575 650 µs

Scan in VGA/XGA Mode

Activated by an External

Resistor on Pin7

Delay Between Sync Pulse and Start of Vertical

Scan in Multi–Frequency Mode

Measured on Pin8,

V7 < 50mV

Control Current for Amplitude Control

I12

Capacitor for Amplitude Control

C12

Vertical Differential Output

240 300 360 µs

– ±200 –

µA

–

– 0.33 µF

Differential Output Current Between Pin5 and

Pin6 (Peak–to–Peak Value)

Maximum Offset Current Error

Maximum Linearity Error

Io Mode 3, I13 > –135µA,

R15 = 22kΩ

Io = 1mA

0.9 1.0 1.1 mA

–

– ±2.5 %

–

– ±1.5 %

Vertical Amplitude Adjustment (In Percent of Output Signal)

Input Voltage

Adjustment Current

VGA Mode–Dependent Pre–Settings Activated

by an External Resistor on Pin7

Mode 1

V13

I13

∆Io/∆t

Iomax (100%)

Iomin (Typically 58%)

Note 2

– 5.0 –

V

–110 –120 –135 µA

–

0

–

µA

116.1 116.8 117.5 %

Mode 2

102.0 102.2 102.5 %

Mode 3

– 100 –

%

Mode 4

– 100 –

%

Multi–Frequency Operation

(VGA Operation Disabled)

Note 2, V7 < 50mV

– 100 –

%

E/W Output (Note 2)

Bottom Output Signal During Mid–Scan (Pin11)

Top Output Signal During Flyback

V11 Internally Stabilized

1.05 1.2 1.35 V

4.1 4.35 4.6 V

Temperature Coefficient of Output Signal

TC

–

– 250 10–6/K

E/W Amplitude Adjustment (Parabola)

Input Voltage (Pin14)

Adjustment Current

V14

I14 100% Parabola

Typicall 28% Parabola

– 5.0 –

V

–110 –120 –135 µA

–

0

–

µA

Note 2. ∆Io/∆t relative to value of Mode 3.

Note 3. Parabola amplitude tracks with mode–dependent vertical amplitude but not with vertical

amplitude adjustment. Tracking can be achieved by a resistor from vertical amplitude

potentiometer to Pin14.

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