Sumator Zinwell 16 canale

seriator

  Sumator Zinwell 16 canale PSC-16E
  Sectiunea 16-canale
Plaja frecventei 5 ~ 750 MHz
Aplatizare intre 8 MHz SPAN < 0,25 dB
Pierdere pe insertie intrare la iesire 15,2±1,0 dB
Izolatie Port la port 22 dB min
IzolatieN Iesire sectiuna A la iesire sectiunea B 50 dB min.
Izolatie Intare sectiunea A la intrare sectiunea B 70 dB min.
Impedanta Intrare si iesire 75 ohm
Sectiunea test
Plaja frecventei 5 ~ 750 MHz
Aplatizare intre 8 MHz SPAN Intrare test la iesire RF < 0,25 dB
Aplatizare intre 8 MHz SPAN Iesire test relativa la intarea RF 70 dB min.
Aplatizare intre 8 MHz SPAN Intrare RF la iesire RF 70 dB min.
Pierdere pe retur Toate porturile 17 dB min
Impedanta Toate porturile 75 ohm

Modulatoare Zinwell C1000 UVM

c1000uvm

  Parametrii de functionare modulatoare Zinwell C1000 UVM
Plaja frecventei MHz 47 ~ 750 / 860
Tuning increment MHz 1/10/100
Nivel iesire dBµV +52
Nivel iesire (reglabil) dB 0 ~ -18
Aural/Visual Carrier Ratio (reglabil) dB -12 ~ -20
Visual Carrier Frequency Tolerance kHz ±10
Aural/Visual Carrier Spacing MHz 5.5
Spurious Output (Inband) dBc < -52
C/N Ratio In Channel dB > 65
Impedanta iesire ohm 75
Aural Frequency MHz 33.4
Visual Frequency MHz 38.9
Composite IF Loop Output Aural Carrier Level dBmV +20
Composite IF Loop Output Visual Carrier Level dBmV +35
Impedanta iesire/intare Ohm 75
Aural Frequency MHz 33.4
Visual Frequency MHz 38.9
Composite IF Loop Output Aural Carrier Level dBmV +20
Composite IF Loop Output Visual Carrier Level dBmV +35
Impedanta iesire/intare Ohm 75
Input Level for 50KHz deviation,
source impedance 600
dBm -8 ~ 10
Raspunsul frecventei 50 Hz la 15 KHz dB ±3.0
Raspunsul frecventei 400 Hz la 10 KHz dB ±1.0
Pre-Emphasis-Mono µs 50
Audio S/N dB 60
Total Harmonic Distortion % <1
Over Modulation Indicator kHz 50 ??2
Impedanta Ohm 10K, unbalanced
Alimentare Tensiune Vac 115 / 230 ±10%
Alimentare Frecventa Hz 60 / 50
Siguranta mA 250
Temperatura functionare oC 0 la +50
Consum de putere W 12
Dimensiuni mm 483 x 44 x285
Greutate kg 3.31

Modulatoare CATV C78

c78

  Parametrii de functionare modulatoare CATAV C78
Output Frequency MHz 48.5~550
Output Level dBµV ≥110 (20 dB Adjustable)
Out-of-Band Rejection dB ≥62
Rejection Adjacent Channel dB ≥45 (Fp=1.25MHz)
Output Impedance ohm 75
Output Return Loss dB ≥14
Frequency Accuracy KHz ±5
Video Modulation Depth % 87.5
Video Frequency Response dB ±1(30Hz~5.5Hz)
Video To Noise Ratio dB ≥53
Differential Gain % <=3
Differential Phase º <=3
C/L Delay ns <=40
Video Audio Carrier
Frequency Increment
MHz 6.5MHz±1.0kHz
Video/Audio Carrier Ratio dB 10~20 Adjustable
Max Audio Freq-offset KHz 50
Audio Frequency Response dB &plusmn1.5 (40Hz~15kHz)
Audio To Noise Ratio dB ≥55
Audio Distortion % <=1
Power Voltage V ~220±15%(50Hz)
Power Consumption VA 8
Dimension mm 483×109.5×44(19″)

Modulator CATV E8600

e8600

FEATURES
  Totaly Microprocessor Controlled with Self-Diagnostic Monitoring
  Selectable Output video modulation depth
  Selectable Output deviation of the sound subcarrier
  Selectable Output Channels
  Standard Cable Channels 1 through 57 (47 MHz-866.25 Mhz)
  Aditional Channels 1 trough 43
  Automatic +/-12.5KHz or +/- 25.0 FCC Offset
  SAW Filtered IF Designed for Adjacent Channel Operation
  +113 dB µV Output Using Low-Distortion Hybrid Amplifiers
  Non-Volatile Channel Selection
  Synthesized Oscillators Crystal Referenced Phase Locked
  Bar Graph Modulation and LCD Construction
  Front Panel Selects Standard or HRC Output
  Surface Mount Technology Construction
  Phase Lock Loop FM Audio
  Sound Carrier Level Adjustable 12 dB to 20 dB
  Video Delay Predestortion Network Meets FCC 73.687
  Non-Volatyle Memory Retains Channel After Power Loss

  SPECIFICATION
RF
Output Frequency 47-866.25 MHz
Output Level +113 dBµV
Output Range 20 dB
A/V Ratio Audio carrier -20 to 13 dB
Broadband Noise -60 dB typical
Frequency Stability ±3kH
Output Impedance 75 ohm
Audio Carrier Frequency 4.5/5.5/6.0/6.5 MHz Adjustable
Broadband Noise -60 dB typical
Output Reject Loss 16 dB min
Video modulation Depth 87,5 % type
In-Chanel C/N 65 db typical
VIDEO
Input Level for 87,5% 1p-p manual gain adjustment
Differential Gain Loss than
Differential Phase Less than
L/C Delay Within 45 nsec
Frequency Response 20 Hz to 6.0 MHz
Modulation Range 72,5 90%
Video IF Output Frequency 38 MHz
Audio IF 31,5 MHz
Input Impedance 75 ohm, return loss 26 dB minimum
AUDIO
Input Level 0,4 Vpp for 25 kHz Peak
Deviation -10 to +40 dB manual gain adjustment and front panel
Pre-Emphasis 50m Sec
Input Impedance 600 ohms unbalanced
Audio IF 31.5 mHz

Modulator CATV C88

c88


  Parametrii RFpentru modulator CATV C88
Output Frequency MHz 48 ~ 1200 MHz
Output Level dBµV >=110
Output Impedance ohm 75
Parasite dB -70
C/N In Range dB 70 (Min65)
Adjacent Channel dB 74 (Min70)
Out of Range dB 75 (Min72)
Output Return Loss dB >=12
Frequency Accuracy KHz ±5
Video/Audio Carrier Ratio dB -15~-22

  Parametrii IF pentru modulator CATV C88
Image IF Output Frequency MHz 38.0
Image IF Output Level dBµV 95
Audio IF Output Frequency MHz 31.5, 32, 32.5, 33.5 (optional)

  Parametrii video pentru modulator CATV C88
Input Level Vp-p 1.0
Modulation Depth % 87.5
Differential Gain % <=2.5
Differential Phase º <=2.5
Video To Noise Ratio dB >=53
C/L Delay ns <=40
Audio To Noise Ratio dB >=55
Frequency Response dB ±1.0

  Parametrii audio pentru modulator CATV C88
Input Level dBµV +5~+25
Input Impedance ohm >10k
Frequency Response dB 1.0
Distortion % <=0.4
Increment Frequency MHz 6.5MHz±500Hz
Max Audio Freq-offset KHz 50
Pre-emphasis µs 50