WAM-860SL-Điều chế Analog thay đổi tần số | MODULATOR1 | Winnersat | Truyền hình | Washupito's Tiendita

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WAM-520- Bộ điều chế mini AnalogWCA-5086 Bộ khuếch đại 50dB thay đổi

WAM-860SL-Điều chế Analog thay đổi tần số
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WAM-860SL-Điều chế Analog thay đổi tần số




Specifications
   RF
 

Phạm vi tần số ngõ vào

47~860 MHz Adjustable

Mức ngõ ra

WAM-860SL 60dBmV Typical

WAM-860N 50dBmV Typical

Phạm vi mức đầu ra

15dB, Continuously Adjustable

V/A Carrier Power Ratio

-9~-30dB Continuously Adjustable

Spurious Harmonics

≧ 55dB below Video Carrier

Output Impedance

75 Ω

Frequency Accuracy / Stability

within ± 5KHz

RF Output Return Loss

22dB

Video Modulation Depth Indicator

Set @ 87.5%, Adjustable to 90% Typical

   IF
 

Mức ngõ ra IF

28dBmV (Video Carrier)

Video IF Carrier Frequency

NTSC : 45.75 MHz
PAL-B : 38.9 MHz
PAL-D : 38 MHz
PAL-I : 38 MHz

Audio IF Carrier Frequency

NTSC : 41.25 MHz
PAL-B : 33.4 MHz
PAL-D : 31.5 MHz
PAL-I : 32 MHz

   VIDEO
 

Mức ngõ vào

Factory Set for 87.5% Modulation

Chuẩn ngõ vào

Composite Video Negative Sync.

Video Frequency Response

±1.5dB

Modulation Range

0~95% Adjustable

Input Impedance

75 Ω

   AUDIO
 

Mức ngõ vào

400mVp-p for ± 25KHz Dev.

Tần số Audio 

NTSC : 4.5 MHz ± 3KHz above Video 
PAL-B: 5.5 MHz ± 3KHz above Video
PAL-D: 6.5 MHz ± 3KHz above Video

Audio Harmonic Distortion

0.5%

Audio Frequency Response

± 0.5dB

Input Impedance

Hi-Z

BTSC Stereo / Mono(*)

Field Defeatable Audio Pre-emphasis for BTSC Baseband Inputs

Audio Overmodulation LED Indicator

25KHz ± 2KHz

   GENERAL
 

Power Requirement

90~260V AC Switching 50 / 60 Hz

Temperature Range

0~50 ℃

Rear Panel Connectors

F-Type (Video In, IF Out, IF In and RF Out)

RCA Type (Audio In)

Real size of the unit

482 (W) x 283(D) x 44.5(H) mm,

Measurement

537 (W) x 325 (D) x 85 (H) mm,

Packing

1 Set / Inner Box, Gross weight: 2.73Kgs 

5 Sets / Carton / 17 Kgs /
545 (W) x 355 (D) x 458 (H) mm
 

(*)NOTE: Clip out of R4 on A/V Modulator Board Defeats Pre-emphasis for Stereo Capability.