品牌:LS
起订:10
供应:10000
M831agile modulatorProfessional Agile Audio Video ModulatorFeatures⊙ Base-band video and audio inputs⊙ All systems and channels between 45 and 870MHz Agile ControlledbyAdvanceMicro-processor⊙ Double heterodyne conversion,Triple IF SAW filter. High vestigial sideband selectivity⊙ Output TV channel frequency through ternary VCO-PLL synthesis⊙ Full 55dBmV output , LCD display⊙ Adjustable A/V ratio、RF output level、video and audio modulation index ,Controlledby AdvanceMicro-processor⊙ Adopt high quality SMPS,ensure wide power supply range⊙ IF loop-through, Front panel -20dB test point capabilitySpecifications
| RF | Adjustable peak deviation: 50 kHz |
| Output frequency: 45 870 MHz Agile | Pre-emphasis: 50 s |
| Nominal output level: 55 dBmV | Flatness (40Hz 15kHz): 1.5 dB |
| Output impedance: 75 | Distortion(fm=1kHz;△f=50kHz): 1% |
| A/V RATIO: -10 -20 dB | S/N ratio: 65dB |
| Carrier frequency tolerance: 5 kHz | IF section |
| Carrier frequency distance tolerance: 100 Hz | Video carrier frequency: 38.9(B-G) 45.75(M-N) 38 (D-K) |
| Spurious in band: -60 dB | Audio carrier frequency:33.4(B-G)41.25(M-N)31.5 (D-K) |
| Output level adjustment: 0 -10 dB | Video carrier output level: 30dBmV |
| Side-band Suppression: 65 dB | Audio carrier output level: 20dBmV |
| C/N ratio in channel: 65 dB | Input/output impedance: 75 |
| Video | Input/output return loss: 12 dB |
| Input level: 0.7 1.4 VPP | General |
| Input impedance: 75 | Supply voltage: AC100 240V |
| Input return loss: 20 dB | Consumption: 20 W |
| Modulation depth: 87.5% | Operating temperature: -10 ＋55℃ |
| Differential gain: 4% | Video,audio connector type: RCA |
| Differential phase: 4 o | IF and RF connector type: F |
| Flatness in band: 1.5 dB | Outside dimensions(h w d): 483 210 44mm |
| Cr/L delay: 40 ns | Packed weight: 2 kg |
| Weighted S/N ratio: 60 dB | |
| Audio | |
| Input level: 0.775V 10 dB | |
| Input impedance (unbalance): 10k |
