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