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