JM-518 Luxurious Fixed 1 Channel Modulator (Adjacent) with 1 saw Filter; Fixed modulator
Port: Shenzhen/HK
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 500 Piece/Pieces per Week
Payment Terms: T/T,Western Union,MoneyGram
Contact Supplier
Packaging Detail: Export Standard Packing.
Delivery Detail: With 3 days after received payment
JM-518 Luxurious Fixed 1 Channel Modulator (Adjacent) with 1 saw Filter; Fixed modulator
Features
1. Intermediate frequency process, high functional index.
2. 1 SAW filters process.
3. Luxurious housing.
4. MMIC circuits are on key parts and SMT technology is
applied to the overall unit.
5. Digital displays channel number.
6. Output adopts screw filters.
7. With high security and high temperature stability.
8. Output level adjustment and A/V adjustment on front panel.
9. PLL technique is applied to audio and RF local
oscillator,high frequency stability and high accuracy.
10. We can make different channels according to the customer requests.
Specifications
Reflection | Output Frequency Range | 45-870MHz |
| Frequency Accuracy | ± 5KHz | |
| Output Level | 113dBmV(<550MHz) | |
| Out of Band Suppression | ≥ 60dB | |
| Side-band Suppression | ≥ 60dB | |
| Output Impedance | 75Ω | |
| Video to Audio Carrier Ratio | -10dB ~ -20dB | |
Video Frequency | Input Level | 0.6 ~ 1.5Vp-p |
| Input Impedance | 75Ω | |
| Input Reflection | 30dB min | |
| K coefficient | 4 % max ( 2T pulse ) | |
| Video s/n | 50dB( no emphasis ) | |
| C/L Delay | 40nsec | |
| Frequency Response | ± 1dB( 25Hz ~ 5.8MHz) | |
| Differential Gain | ± 4 % (modulation 87.5 887.58787.5) 87.587.585.7) 87.5) 87.5 ) | |
| Differential Phase | ± 4 °(modulation 87.5) | |
Audio Frequency | Input Level | -10 ~ 10 dBm |
| Input Impedance | 10KΩ min | |
| Frequency Response | ± 1dB max(40Hz ~ 15KHz) | |
| Distortion | 0.5 % | |
| Signal to Noise Ratio | -60dB | |
| Audio Picture Interval | According to the TV system standard |
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