VT4T5UF2021 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

VT4T5UF2021

Combination Tuner/Demodulator/Modulator

Sharp Electronics 

Combination Tuner/Demodulator/Modulator

VT4T5UF2021

ELECTRICAL CHARACTERISTICS

• Nominal Supply Voltage (TYP.)

– BM: 5 V

– BT: 33 V

– BP: 5 V

– B: 5 V

• Operating Voltage (TYP.)

– BM: 5V ±0.2 V

– BT: 33 V ±2.0 V

– BP: 5 V ±0.5 V

– B: 5 V ±0.5 V

– Control: 5 V ±0.2 V

• Breakdown Voltage (MIN.)

– BM: 5.5 V

– BT: 34 V

– BP: 5.5 V

– B: 5.5 V

• Test Conditions (TYP.)

– BM: 5 V

– BT: 33 V

– BP: 5 V

– B: 5 V

– Ambient Temperature 25°C ±5°C

– Relative Humidity 65% ±10%

• Current Consumption (MAX.)

– BM: 1.0 mA

– BT: 5 mA

– BP: 70 mA

– B: 40 mA

• Temperature (TYP.)

– Storage -20°C to +70°C

– Operating -10°C to +60°C

• RF Output (Video System). Measured by standard

demodulator input 1 Vp-p.

– Modulation Factor 80% (TYP.), 80 ±5%

– Differential Gain 2% (TYP.), 7% (MAX.)

– Differential Phase 1.5° (TYP.), 8° (MAX.)

– S/N Ratio 55 dB (TYP.), 48 dB (MIN.)

– Frequency Characteristics 0 dB (TYP.), 0 ±3 dB

– Change in Modulation Factor to APL 1% (TYP.),

5% (MAX.)

• RF Output (Audio System). Measured by standard

demodulator input 1 kHz, 1.24 Vp-p sincurve.

– Modulation Factor ±22.5 kHz (TYP.),

±22.5 kHz - ±5.5 kHz

– Distortion Rate 0.3% (TYP.), 1% (MAX.)

– S/N Ratio 56 dB (TYP.), 48 dB (MIN.)

– Frequency Characteristics 0 dB (TYP.), 0 ±3 dB

• RF Output (Output System). Measured sync level at

whilte 100% signal, input 1 Vp-p.

– Video Carrier Center Frequency Accuracy

±10 kHz (TYP.), ±100 kHz (MAX.)

– Sound Carrier Center Frequency Accuracy

4.5 MHz (TYP.), 4.5 MHz ±7 kHz

– Video Carrier Output Level 66 dBµ (TYP.),

66 ±3 dBµ

– P/S Ratio 16 dB (TYP.), 16 ±3 dB

• RF Output Spurious.

– Specific Frequency 70 dB (TYP.), 60 dB (MIN.)

– fp to fp + 4.5 MHz

– Other Frequencies 50 dB (TYP.), 30 dB (MIN.)

– 0 to 1 GHz (except fp ±4.6 MHz)

• RF Switch

– Insertion Loss: 55 to 806 MHz

– 4.0 dB (TYP.), 8.0 dB (MAX.)

– Isolation: 61 to 72 MHz

– 70 dB (TYP.), 60 dB (MIN.)

– Return Loss: 61 to 72 MHz

– 8.0 dB (TYP.), 4.0 dB (MIN.)

• RF Switch Operation (dBµ)

– Terminal Number 4: RF OUT ← RF IN (TYP.)

– +5 V: OFF

– Open: ON

• Antenna Terminal Voltage

– Modulator OSC Leakage 9.5 dBµ (MAX.)

– Tuner OSC Leakage

– Fundamental Wave 60 dBµ (MAX.)

– Higher Harmonic 60 dBµ (MAX.)

• Noise Figure (UHF AIR)

– Maximum 11 dB (TYP.), 16 dB (MAX.)

–

X = Σxi ⁄ n

S = Σ (Xi – x)2 ⁄ (n – 2), n = 10*

(Tested channels including worst)

– Shall satisfy the requirements stated in FCC

NF Sampling Plan C (effective January, 1980)

– Noise figure measurement shall be based on

FCC OST 50 (effective January, 1980)

– XIRS 11 dB (TYP.), 16 dB (MAX.)

–

X = Σxi ⁄ n

S = Σ (Xi – x)2 ⁄ (n – 2), n = 10*

(Tested channels including worst)

– Noise figure measurement shall be based on

FCC OST 50 (effective January, 1980)

NOTE: *A representative tuner test shall be conducted on the follow-

ing channels and on the worst channel found CH 14 through CH69:

Ch14, 20, 26, 32, 38, 44, 50, 56, 62, and 69.

RF Data Sheet

3

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