Technical Specifications of the Engel MV7127 Digisender-III Modulator (VHF/UHF)
MODEL: Digisender-III Modulator (vhf/uhf)
TYPE: Multi-room Audiovisual Modulator
COLOUR: white and blue
INPUTS: RCA + RF / Outputs: 1 x RF
FREQUENCY RANGE: Bd I: 47~68MHz / Bd III: 174~230MHz
BD S HIGH: 230~300MHz / UHF: 470~862MHz
MAXIMUM OUTPUT LEVEL: 85 dB?V / Dimensions: 142 x 75 x 38 mm
COMPATIBLE WITH: PAL B/G/I/M/N/D & SECAM L
DIMENSIONS: 19.8x9.8x7cm
WEIGHT: 1 Kg
|
Type |
|
MV7127 |
|
Video Input |
frequency Range |
20Hz-6MHz |
|
level/impedance |
1V ±1dB/75Ω |
|
Audio Input |
frequency range |
20Hz-15KHz |
|
level/impedance/deviation * |
775mV RMS/10KΩ/50KHz |
|
|
audio frequency response precorrection |
50µs |
|
|
level adjustment |
+1/±14dB |
|
|
RF output |
level (typical)/impedance |
85dBµV/75Ω |
|
output Channels |
see tables 1-10 |
|
|
RF level adjustment |
0/-15dB |
|
|
signa/ noise ratio,weighted |
≥-55dB |
|
|
II,III intermodulation distortion ** |
<-60dB |
|
|
amplitude modulation depth,typical |
81% |
|
|
video frequency response |
±1dB (0.5/+4.0MHz);+1/-2dB(4.0/- 4.8MHz) |
|
|
A/V ratio |
12±3dB/16±3dB |
|
|
carriers accuracy |
±50KHz |
|
|
frequency unstability |
10 -5 |
|
|
sound subcarrier frequency |
see tables 1,10 |
|
|
fine tuning range of video carrier frequency |
±2.25MHz max.by 0.25 MHz step |
|
|
|
Power consumption |
230V~50Hz 3W |
|
|
Operating temperature range |
-10°C/ +50°C |
|
|
Dimensions/Weight (packed) |
147x65x40mm/0.29Kg |
* default setting
** when RF output vision carrier frequency fo is between 175-190MHz and 230-255MHz- spurious at frequency 1.25xfo <-55 dB; When RF output vision carrier frequency fo is between 220-225MHz and 290-298MHz-spurious at frequency 0.75xfo <-58dB Software control