AM2000 1RU PAL Television Modulator offers a flexible, compact and all-in-one device which converts V/A signals into RF output signals. AM2000 PAL signal Modulator is a high-quality, microprocessor controlled modulator used in large sized broadband networks.
• 1 RU compact platform suitable for various video headend applications
• Cost effective solution with low cost per channel
• Adjacent channel operation ( Fixed: Any fixed channel within 48 MHz to 861 MHz )
• In accordance to adjacent frequency design, no interference between adjacent channel
• Independent oscillation in IF 38.90 MHz
• PLL frequency composite in video carrier frequency and audio carrier frequency
• IF input/output interface for scrambling
• Clamping and non-clamping switch , easy for Video frequency scrambler
• Modular design provides great flexibility for video operator
• Excellent modulation quality MER ≥ 42 dB
• LCD display, Remote control and firmware (Radio frequency, Video/Audio medium frequency, Video frequency modulating scale, audio frequency modulating deviation, RF output level, A/V ratio, etc.)
• Web NMS management; Updates via web
AM2000 PAL Modulator Solution - 19” 1RU
RF | |
Frequency Range | 47 to 870MHz Any channel |
TV System | PAL B/G or D/K |
IF Frequency | 38.9 MHz |
Output Return Loss | ≥15 dB (VHF) ≥12 dB (UHF) |
Output Level | ≥120 dBµV (typical) 4-in1 Model: ≥105 dBμV (independent output; ≥95 dBμV (combined output) |
Output Level Adjustable Range | 0 dB to 16 dB (0.5 dB step) |
Audio Carrier Power to Video Carrier Power Ratio | -8 dB to -22 dB (0.5 dB step ) |
Total Frequency Deviation | ≤5 kHz (VHF); ≤10 kHz (UHF) |
Error of Video/Audio Carrier Interval | ≤±0.5 kHz |
Carrier to Noise Ratio (C/N) | ≥65 dB (fixed fc ± 4 MHz), ≥ 62dB (agile) |
Output Suppression | ≥60 dB |
Interface | FL10 |
Video | |
Degree of Modulation Signal | ≥87.5 % |
Flatness is Operating Band | ≤±0.75 dB |
Gain of Differential Coefficient | ≤2 % |
Phase of Differential Coefficient | ≤2 ° |
K-2T Factor | ≤3 % |
Delay Difference of Color or Light | ≤30 ns |
Signal to Noise Ratio | ≥56 Db (unweighted) ≥62 dB (weighted) |
Audio | |
Pre-Emphasis of Audio | 50 µs |
Maximum Partial Frequency of Audio | ±50 kHz |
Audio Flatness | ≤±0.5 dB (40 Hz to 15 kHz) |
Distortion Degree of Audio | ≤1 % |
Signal to Noise Ratio | ≥6 dB |
Communication Interface | |
Interface | RJ45 |
Communication Format | RS485 |
Date Rate | 9600 bits/s |
Miscellaneous | |
Dimensions | 44 mm × 482 mm × 360 mm |
Power | AC220 V ± 10 %, 50 Hz, 20 VA |
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