Vision COFDM Modulator 2-programme
Vision COFDM Modulator 2-programme
The V40-2000 COFDM takes 2 A/V signal sources and modulates them into a single UHF DVB-T channel in standard definition compatible with Freeview set-top boxes and IDTV’s.
The modulator has been designed to be simple to set up by the front panel removing the need to use a computer or handset. A single DTT channel can be created in the VHF or UHF bands for use with larger, more complex commercial SMATV systems. Compatible with the format of the V90-440 Quad single channel filter amplifier.
Technical Specification
Model: V40-2000
Input standard: PAL (B, D, G, H, I, M, N, 60) : SECAM , NTSC (M, 4.43)
Input type: CVBS
Video input Frequency range: 20Hz to 6MHz
Video input Level / Impedance: 1V ± 0.1V / 75Ω
Audio input: 20Hz – 15kHz
Level / impedance: 775mV/10kΩ
Level adjustment: +6 to -6 / 2dB steps
Resolution: 720 x 576 at 25 FPS or 720 x 480 at 30FPS
Frame Rate: 25max for PAL, 30 FPS NTSC
Encoding: ISO/IEC11172-3 (MPEG1 audio) layer 2 compliant
Sampling rate: 44.1kHz
Compression bit rate: 256Kbps
System bit rate: 2 to 9 Mb/s
Audio mode: Stereo
Modulation: QPSK, QAM16, QAM64
Transmission Mode: 2K
Channel bandwidth | Guard interval: 7/8MHz ¼, 1/8, 1/16, 1/32
RF Output Level / Impedance / Frequency range: 85dBμV / 75μΩ / 110 -862MHz
Level adjustment: 0 to -15.5dB /0.5dB steps
Frequency range of RF loop-thru: 47 – 2150MHz
Combining loss in RF loop-thru: 2.5dB
Return loss: ≥10dB
Fine tuning of RF carrier frequency offset: ±125kHz / 250kHz in 0.25MHz steps
Channel Bandwidth: 7 / 8MHz
Output C/N ratio | MER: C/N ≥50dB MER ≥35dB
Current consumption: 12V 0.65A Use V40-125 or 450 Power supplies
Operating temperature: 0°C - +50°C
Dimension / Weight packed: 198 x 107.5 x 36mm / 1.12kg
Delivery Information
FREE Mainland UK Economy delivery (2 - 5 days) on orders over £150.
FREE Mainland UK Standard delivery (1 - 3 days) on orders over £300.
Mainland UK Economy Delivery (2 - 5 days) from £3.80
Mainland UK Standard Delivery (1 - 3 Days) from £4.50
Next Day Delivery from £8.95
International Delivery
Returns Information
Any unwanted products can be returned within 28 days of delivery.
To arrange a return please contact our customer service team on 0191 487 1292 or email websales@trade-works.co.uk. Please ensure that you provide your order number.
Our customer service team will provide you with a returns number and a returns form which must be completed.
For more information on Delivery & Returns please click here.
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