ELECTRICAL CHARACTERISTICS

∆f= ± 25kHz,

Volume attenuation = 0dB, unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ. Max.

Unit

IF AMPLIFIER

AGC Range

58

64

67

dB

IF - Sensitivity (RMS)

Video out -3dB

70

µV

R Input Differential

Guaranteed by process

1

1.5

2

k

Ω

C Input Stray

2pF

DEMODULATED VIDEO OUTPUT

S/N Video (BW = 5MHz)

(WH − BL)

49

55

dB

Intermodulation 1.07MHz

AGC open loop, Picture carrier = 0dB,

Chrominance carrier = -3.2dB,

Sound carrier = -20dB

50

dB

Detected Video Output

Peak-to-peak (positive)

1.8

2

2.4

V

Top Synchro Output Level

1.9

V

Video Bandwidth with Output Filter

-3dB, see Figures 1 and 2

7

MHz

Differential Phase

3

7

Degree

Differential Gain

37

%

White Noise Clamp

Referred to the video output

see Figure 6

4.5

V

White Noise Insertion

3.2

V

Video Output Current Capability

1.2

2

2.6

mA

Residual Output Carrier (RMS)

At 38.9MHz

At 77.8MHz

10

20

mV

mV

AFC

AFC Slope

Ω, see Figure 3

25

40

60

mV/kHz

AGC CIRCUIT

Maximum I Charge

550

900

1200

µA

Maximum I Discharge

14

20

26

µA

45

-

TUNER AGC

Sinked Current

Suitable for Mosfet-NCH

1.15

2

2.6

mA

Slope

RTD = 0

÷ 10kΩ

600

µA/dB

DEMODULATED AUDIO OUTPUT

Detected Output Audio Signal (RMS)

120

270

350

mV

Total Harmonic Distorsion

0.5

2

%

Amplitude Modulation Rejection

m = 30%

40

53

dB

2nd IF Sound Sensitivity -3dB FM

Detected Audio Signal (RMS)

200

µV

S

+ N

N

∆f= ± 25kHz for signal

∆f= 0 after deemphasis (BW = 20kHz)l

50

60

dB

Thermal Drift of Volume

0.05

dB

Input Resistance Limiter

400

560

720

Ω

See Figure 4

12

65

0

18

74

24

dB

dB

dB

STV8211

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