Product Description »
HS-218M
19" Fixed Channel Adjacent Modulator
Feature
Output Frequency Preset between 47 MHz to 870 MHz
IF Processing with Saw Filter
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 Impedace: 75 Ohm
Side-Band Suppression: >=65 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: -60 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: 3.3 KG
Connectors (Rear Panel)
Video Input: RCA Phono, Female
Audio Input: RCA Phono, Female
RF Output: Female
Controls (Front Panel)
Channel Selection: Push Button
Channel Display: Dot Matrix LED
RF/AV/Video/Audio ADJ: Control
RF Test: Female
Power Supply
Voltage: 110 or 250 VAC 50Hz 3W
Operating Temerature: 0 to 45 Degrees
Storage Temperature: -20 to 70 Degrees
