Junpu Headend Catv Analog 16 Channel Rf Agile Modulator Digital Cable

RF

Cr/L delay:                      ≤40 ns

Output frequency:                   45…870MHz

Weighted S/N ratio:              ≥60 dB

Nominal output level:                ≥55dBmV

Output impedance:                  75Ω

Audio

A/V RATIO:                         -10 … -20 dB

Input level:                      0.775V±10dB

Carrier frequency tolerance:         ≤5kHz

Input impedance (unbalance):     10kΩ

Carrier frequency distance tolerance: ≤100Hz

Adjustable peak deviation:        ±50kHz

Spurious in band:                  ≤-60dB

Pre-emphasis:                   50μs

Output level adjustment:             0 … -20dB

Flatness (50Hz …15kHz):        ≤±1.5dB

C/N ratio in band:                   ≥60dB

Distortion(fm=1kHz;f=50kHz):   ≤1%

S/N ratio:                       ≥65dB

Video

Input level:                          0.7…1.4 V_PP

General

Input impedance:                    75Ω

Supply voltage:                  AC90…260V

Input return loss:                     ≥20 dB

Consumption:                   20W

Modulation depth:                    87.5%

Operating temperature:           -10 … +55℃

Differential gain:                     ≤5%

Video,audio connector type:       “RCA”

Differential phase:                    ≤5 ^o

IF and RF connector type:         “F”

Flatness in band:                     ≤±1.5 dB

Outside dimensions(h×w×d):     483×130×44mm

Packed weight:                   2.5kg