NTE7018 Ver la hoja de datos (PDF) - NTE Electronics

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Fabricante

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

AFC Circuit (Cont’d) (Pin18, Note 6)

Symbol Min Typ Max Unit

Control Steepness

Output Voltage at Nominal Tuning of the

Reference–Tuned Circuit

–

70

–

mV/

kHZ

V18–6

–

6

–

V

Offset Current AFC Output (Pin20 and Pin21 Short–Circuited)

Sound Circuit

I18

– TBD

–

µA

Input Limiting Voltage

(VO = VO MAX –3dB, QL = 16, fAF = 1kHZ, fC = 5.5MHZ)

Input Resistance (VI(RMS) = 1mV)

Input Capacitance (VI(RMS) = 1mV)

AM Rejection (VI = 10mV)

(VI = 50mV)

AF Output Signal (∆f = 7.5kHZ, Minimum Distortion)

(∆f = 50kHZ, Pin11 used as Starting Pin)

AF Output Impedance

Total Harmonic Distortion Volume Control 20dB,

(∆f = 27.5kHZ, Weighted Acc. CCIR 468)

Ripple Rejection (fk = 100HZ, Volume Control 20dB)

(When Muted)

V15LIM

µV

–

400

800

R15–6

–

2.6

–

kΩ

C15–6

–

6

–

pf

AMR

–

46

–

dB

–

50

–

V12–6(RMS) 400

600

800

mV

300 700 1200

Z12–6

–

25

100

Ω

THD

%

–

1

3

RR

–

35

–

dB

–

30

–

Output Voltage in Mute Condition

V12–6

–

3

–

V

Signal–to–Noise Ratio (∆f = 27.5kHZ Weighted Noise, CCIR 468)

S/N

–

45

–

dB

Volume Control

Voltage (Pin11 Disconnected)

Circuit (Pin11 Short Circuited)

External Control Resistor

Suppression Output Signal During Mute Condition

V11–6

–

5

–

V

I11

–

0.9

–

mA

R11–6

–

5

–

kΩ

OSS

–

66

–

dB

Sync Separator and First Control Loop

Required Sync Pulse Amplitude (R17–25 = 2kΩ, Note 7)

Input Current (V25–6 > 5V)

(V25–6 = 0V)

Holding Range PLL

Catching Range PLL

Control Sensitivity (Note 8)

(Video to Oscillator, at Weak Signal)

(at Strong Signal During Scan)

(During Vertical Retrace and Catching)

Second Control Loop (Positive Edge)

Control Sensitivity (R28–6 = 47kΩ Trim Pot)

Control Range

Phase Adjustment (Via Second Control Loop)

Control Sensitivity

Maximum Allowed Phase Shift

V25–6(P–P) 200

I25

–

–

±∆f

–

±∆f

60

–

–

–

800

10

TBD

1100

1000

2.5

3.75

7.5

–

–

–

1500

–

–

–

–

mV

µA

mA

HZ

HZ

kHZ/µs

∆tD/∆tO

–

50

–

tD

–

25

–

µs

–

25

–

µA/µs

a

–

±2

–

µs

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