VT4T5UF2021 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

VT4T5UF2021

Combination Tuner/Demodulator/Modulator

Sharp Electronics 

VT4T5UF2021

Combination Tuner/Demodulator/Modulator

• Image Rejection

– At -47 dBM Input

– VHF Air: 65 dB (TYP.), 60 dB (MIN.)

– VHF CATV: 60 dB (TYP.), 50 dB (MIN.)

– UHF: 55 dB (TYP.), 45 dB (MIN.)

– At -17 dBM: Input

– VHF Air: 60 dB (TYP.), 50 dB (MIN.)

– VHF CATV: 50 dB (TYP.), 40 dB (MIN.)

– UHF: 50 dB (TYP.), 35 dB (MIN.)

• IF Rejection

– At -47 dBM: Input

– VHF Low: 60 dB (TYP.), 50 dB (MIN.)

– VHF High: 100 dB (TYP.), 60 dB (MIN.)

– UHF 100: dB (TYP.), 60 dB (MIN.)

– At -17 dBM Input

– VHF Low: 60 dB (TYP.), 45 dB (MIN.)

– VHF High: 70 dB (TYP.), 50 dB (MIN.)

– UHF: 70 dB (TYP.), 40 dB (MIN.)

• CB Rejection

– SI: 50 dB (TYP.), 40 dB (MIN.)

– Undesirable: 0.535 MHz to 30 MHz

– -7 Input (MIN.)

– Desirable: 55.25 MHz to 83.25 MHz (CH 2 to Ch 6)

– -66 Input (MIN.)

• Specific Channel Rejection

– Desirable 54 dBµ input; Undesireable 49 dbµ input

– CH A-3 ← CH A-5: 60 dB (TYP.); 55 dB (MIN.)

– CH 6 ← CH A-5: 55 dB (TYP.); 50 dB (MIN.)

– CH A-5 ← CH A-5: 60 dB (TYP.); 50 dB (MIN.)

– CHP 5 ← CHS 6: 55 dB (TYP.); 52 dB (MIN.)

– CHP 5 ← CHP 6: 60 dB (TYP.); 45 dB (MIN.)

• Band Edge Tuning Margin

– CH 2: -4.0 MHz (TYP.), -3.25 MHz (MIN.)

– CH B: 3.0 MHz (TYP.), 2.0 MHZ (MIN.)

– CH C: -4.0 MHz (TYP.), -3.25 MHz (MIN.)

– CH W + 11: 3.0 MHz (TYP.), 2.0 MHz (MIN.)

– CH W + 12: -5.0 MHz (TYP.), -3.25 MHz (MIN.)

– CH 69: 5.0 MHz (TYP.), 2.0 MHz (MIN.)

• PLL AC Characteristics

– Setting Up Enable: Tsuen 1 µs (MIN.)

– Holding Enable: Thden 1 µs (MIN.)

– Setting Up Data: Tsuda 1 µs (MIN.)

– Holding Data: Thdda 1 µs (MIN.)

– Clock Level High: Thicl 1 µs (MIN.)

– Clock Level Low: Tlocl 1 µs (MIN.)

– Clock Rate: Trate 10 µs (MIN.)

– Signal Rising: Trise 1 µs (MIN.)

– Signal Falling: Tfall 1 µs (MIN.)

• Picture Output.

– Output Level (CH 10) 1 Vp-p (TYP.), 1 ±2 Vp-p

– At 1 kΩ termination, fp 70 dBµ, white 100%

– Differential Gain (CH 10) 5° (TYP.), 10° (MAX.)

– fp 90 dBµ, Sterstep 80 IRE

– Differential Phase (CH 10) 1° (TYP.), 10° (MAX.)

– fp 90 dBµ, Sterstep 80 IRE

– S/N ratio 47 dB (TYP.), 43 dB (MIN.)

– fp 70 dBµ, White 100%, 100 kHz to 4.2 MHz fil-

ter, Sctrap On

– Frequency Characteristics (CH 10), fp 70 dBµ,

multi-burst

– 1.0 MHz: 0 dB (TYP.), -3 to +3 dB

– 2.0 MHz: 0 dB (TYP.), -3 to +3 dB

– 3.0 MHz: -1.0 dB (TYP.), -4.5 dB to +2.5 dB

– 3.58 MHz: -1.0 dB (TYP.), 0 dB to 6 dB

– Synchronized Ratio (CH 10) 28.5% (TYP.),

23.6% to 33.6%

– fp 70 dBµ, SMPTE color bar

• Sound Output (CH 10)

– Output Level 480 mVrms (TYP.), 360 mVrms to

580 mVrms

– fp 70 dBµ, SMPTE color bar 87.5% modula-

tion, P/S 6 dB, fs 1 kHz, sin-curve 60% modu-

lation, 75 µs pre-emphasis

– Distortion Rate 0.5% (TYP.), 3.0% (MAX.)

– S/N Ratio 52 dB (TYP.), 42 dB (MAX.)

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

– AM Removal Level 45 dB (TYP.), 35 dB (MAX.)

• AFT Output

– Output Voltage 2.5 V (TYP.), 1.75 V to 3.25 V

– Frequency Accuracy 25 kHz (TYP.), 100 kHz (MAX.)

60

54 dBµ

50

43.5 dBµ

40

46 dBµ

30

20

88 216

960 5000

FREQUENCY (MHz)

COMB3-4

Figure 2. Radiation (3m Method)

4

RF Data Sheet

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