MODULATOR
MODULAR HEADEND
AMPLIFIER
COMBINER
RECEIVER
DEMODULATOR
OPTICAL
AUDIO EQUALIZER
ACCESSORY
HOT PRODUCTS WPG-100A WPX-0401 WTM-860SL

MODULATOR
  WAM-860SL /WSM-900 / WSM-360SL

MODULAR

 

WAM-520 / WSP-808S
AMPLIFIER
  WCA-5086 / WCA-4086RA / WIA-860i
 
 
 
 
 
Product List
WAM-860SL | WSM-900| WSM-360SL
 
WSM-900
Features
 
Specifications
  Professional A/V Modulator
 
Features
 
Front Panel Control with deluxe design, Easy To Operate
Low heating with R-Core Transformer
Adjacent Channel Capability
PLL Synthesized Channel Control
With SAW Filter for Accurate Side Band Response and High Adjacent Rejection
Spurious Harmonics ≧-63dBc below video carrier
Low Out-Of Band Noise for Multiple Modulator Installation
Video Modulation And Audio Deviation Level Adjustable
Overmodulation LED Indicator
Sound Carrier Level Adjustable
Field Defeatable Audio Pre-emphasis for BTSC Stereo / Mono Baseband Inputs
  (NTSC only)
High VSB Attenuation
Meets F.C.C Offset and Accuracy Requirement
3 digit LED display for channel number
19” EIA Rack Mountable
Specifications
 
RF
 
Output Frequency Range 48 ~ 860 MHz
Output Level 112 ±2 dBuV
Output Level Range ≧15 dB Continuously Adjustable
Spurious Harmonics ≧-63 dBc below video carrier
Video / Audio Carrier Ratio -9 ~ -30 dBc Continuously Adjustable
(Factory Set at –15dBc)
Frequency Accuracy / Stability ±5 KHz
S/N Ratio in Channel 60 dB Typical
 
 
VIDEO
 
Input Level 1.0 Vp-p for 87.5% Modulation
In-Band Flatness(Within 5MHz) ±1 dB
Video S / N Ratio 60 dB Typical
Differential Gain 3° for 87.5% Modulation
Differential Phase 3% for 87.5% Modulation
Overmodulation Led Indicator Set 87.5%, Adjustable to 90% Typical
 
AUDIO
 
Input Impedance 10K Ω Unbalanced
Input Level 140mV RMS for ±25KHz Peak Modulation.
Sub-carrier Frequency Accuracy/Stability NTSC 4.5M Hz ±5KHz above Video
  PAL-B 5.5M Hz ±5KHz above Video
  PAL-D 6.5M Hz ±5KHz above Video
Overmodulation Led Indicator 25 KHz ±2KHz
Pre-emphasis 50µs
Frequency Response ±1 dB (40Hz to 15KHz)
 
GENERAL
 
Power Requirement 220VAC / 50 Hz.
Temperature Range 0~ 40 ℃
Connectors (Rear Panel)

RCA Type for Audio In

  F-Type for Video In & RF Out
Controls (Front Panel)

Video Level, Aural Carrier Level,

  Audio Level, RF Output Level
Dimensions 19” (L) × 9-1/ 2” (W) × 1-3/ 4” (H)
Weight 6 Lbs .
Packing

1 Set / Inner Box

  5 Sets / Carton / 17 Kgs / 3.3'