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VSM-3/4S: Channel 3/4 Consumer Audio-Video Modulator

Features

  • Single (USM-8D) and Triple (USM-20D3) low cost UHF A/V Agile Modulator, UHF band channels 14~83, CATV channels 65~139
  • High Output 20dBmV minimum, 25 dBmV typical provides ample signal for multiple consumer devices (USM-20D3)
  • High Output 7dBmV minimum 10 dBmV typical provides ample signal for multiple consumer devices (USM-8D)
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  • VSM-3/4S: Channel 3/4 Consumer Audio-Video Modulator
Data Sheet: VSM-3/4S

Specifications & Documentation

Data Sheet: VSM-3/4S (ANW1417)

Output Frequency Range
VSM-3/4S Channel 3 or 4
USM-20D3 470~890MHz
USM-8D 470~890MHz
Tuning Agile
RF Output Level (min)
VSM-3/4S 5dBmV
USM-20D3 22dBmV
USM-8D 11dBmV
RF A/V Ratio -16dB
Spurious Output
VSM-3/4S 36dB
USM-20D3 42dB
USM-8D 46dB
Frequency Stability ±10kHz
Video Input Type Clamped negative sync
Video Input Bandwidth 4.2MHz
Video Input Level 1 Vp-p
Video Input Range .5~1 Vp-p
Video Frequency
Response ±1.5dB
Video Hum and Noise -60dB
Audio Input Type Monaural baseband
Audio Input Level 0.5 Vp-p
Audio Frequency
Response 50~15,000Hz
Audio Pre-emph. 75 μsec
Video Input Conn. RCA-Fem
Audio Input Conn. RCA-Fem
RF Output Conn. 75½ F-Fem
Voltage Input 115VAC
Dimensions
VSM-3/4S 5.9” (L) x 3” (D) x 1.4” (H)
USM-20D3 5.6” (L) x 1.1” (D) x 3.9” (H)
USM-8D 3.4” (L) x 1.1” (D) x 3.75” (H)
Weight
VSM-3/4S 1 lb.
USM-20D3 1.75 lb.
USM-8D 1.15 lb.
Ordering Information Description
VSM-3/4S Consumer Audio-Video RF Modulator
USM-20D3 UHF Consumer Agile Triple Audio-Video RF Modulator (UHF: Ch. 14~83, CATV: Ch. 65~139)
USM-8D UHF Consumer Agile Audio-Video RF Modulator (UHF: Ch. 14~83, CATV: Ch. 65~139)

Data Sheet: VSM-3/4S (ANW1417)

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