Mô tả sản phẩm: Bộ điều chế RF EIGHT (MOD 47862 DSB)
sử dụng để chuyển tín hiệu AV->RF có thể thay đổi được tần số RF ra
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DSB TV Modulators
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MOD 47862 DSB /S
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Features:
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Frequency agile double sideband TV modulators
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Non-volatile channel memory
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PLL crystal stabilization of carriers frequency
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Adjustable audio input level
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Loop through RF combining
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Whole TV range covered by one module
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Internal pattern generator
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MOD 47862 DSB
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Connectors:
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standards: D, K, B, G, M, N, H, I, L
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standards: B, G, stereo
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Video/audio -type 3xRCA socket, RF - F type
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MODEL
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MOD 47862 DSB
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RF output
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Level(typical)/Impedance
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100dBµ V / 75
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Level Adjustment
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0 , -15dB
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Output Frequency Range
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21 - 69 (G, H, I, K) 470, 862MHz; 14-78 (M, N) 470, 862MHz; 6-SR18(D) 174, 294MHz**
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E5-S20 (B) 174, 300MHz***; 1-3 (D)48, 5, 84MHz**; E2-E4(B) 47, 68MHz***
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Video input
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Frequency Range
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20 Hz - 6 MHz
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Level/Impedance
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1V
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±
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1dB/75
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Audio input
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Frequency Range
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20 Hz - 15kHz
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Level/Impedance/Deviation*
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775 mV RMS / 10kw / 50kHz
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Carriers Accuracy
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±
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20kHz
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Sound Subcarrier Frequency
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5.5 MHz, 6.0 MHz, 6.5 MHz
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A2 Stereo
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Fine Tuning Range of Video Carrier Frequency
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±
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2.25 MHz max. by 0.25 MHz step
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Combining Trough Loss
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<2.0dB
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Frequency Range of RF Combining
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47-862 MHz
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Video Frequency Response
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±
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1dB
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A/V Ratio (switchable)
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12/16 dB
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Amplitude Modulation Depth, Typical
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75%
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Signal / Noise Ratio, Weighted
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=
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55dB
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II, III Order Intermodulation Distortion
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< -60 dB
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Power Consumption
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230V / 50Hz/2VA
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Operating Temperature Range
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-10º, +50ºC
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Dimensions
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128 x 120 x 54mm
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Weight (packed)
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0.5kg
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* Available to set standard deviation ±50kHz of sound carrier when input level 150 mV, 775mV
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** Output channels are specified when sound subcarrier frequency 6.5 MHz (standard OIRT)
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*** Output channels are specified when sound subcarrier frequency 5.5 MHz (standard CCIR)
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Software control
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