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Offer Details
| Offer Type: |
 |
| Offer Category: |
Electrical & Electronics >Telecommunication & Broadcasting >
Radio & TV Broadcasting
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| Offer Post Time: |
2008-07-07 |
| Expiration Date: |
2009-06-03 |
| Details: |
HS-318M
19" Fixed Channel Adjacent Modulator
With 3 Saw Filters
Feature
Output Frequency Preset between 47 MHz to 870 MHz
IF Processing with 3 Saw Filters
PLL Technique is Applied to Audio IF, Video IF and Local Oscillator to ensure High Frequency Stability
Clamp Circuit with High Anti-hum Performance
Specifications
RF
Output Frequency: 47 to 870 MHz Preset
Frequency Accuracy: Within 5 KHz
Output Level: 115 dBuv
Output Level Control Range: 0 to -20 dB
Output Impedance: 75 Ohm
Side-Band Suppression: ≥ 60 dB
Spurious Output Suppression: ≥ 65 dB
Output Reflection: 12 dB Min (Any Channel)
Audio to Video Carrier Ratio: -10 to -20 dB
Video
Input Level: 0.7 to 1.4 Vp-p
Output Impedance: 75 Ohm
Output Reflection: 30 dB Min
K Coeficient: 4% (2T Pulse)
C/L Delay: 40 nsec
Differential Gain: ± 4% (87.5% Modulation)
Differential Phase: ±4° (87.5% Modulation)
Frequency Response: ± 1 dB
Video S/N: ≥ 50 dB
Audio
Input Level: 0 dBm ± 10 dB
Input Impedance: 10 Kohm Min
Frequency Response: ± 1.5 (40Hz to 15 KHz)
Distortion: 1%
Signal to Noise Ratio: -58 dB
Difference of Video/Audio: 4.5 MHz ± 2 KHz (M/N) 5.5MHz ± 2 KHz (B/G) 6.5 MHz ± 2 KHz (D/K)
Mechanical
Dimension: 440 X 44 X 268 mm
Weight: 3.0 KG
Connectors (Rear Panel)
Video Input: RCA Phono, Female
Audio Input: RCA Phono, Female
IF Input: Female
IF Output: Female
RF Output: Female
Controls (Front Panel)
Channel Display: Dot Matrix LED
RF/AV/Video/Audio ADJ: Control
RF Test: Female
Power Supply
Voltage: 100 to 250 VAC 50Hz 15W
Operating Temerature: 0 to 45ºC
Storage Temperature: -20 to 70ºC |
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