VHF BIII DTV COMBINER

Lebih Lengkap Mengenai VHF BIII DTV COMBINER

Frequency Range:  174 ÷ 240 MHz
Bandwith:  6 to 8 MHz
Temperature Stability:  ≤ 2 kHz/K
Operating Temperature:  -10 to + 50°C
Over Temperature*:  30K at 10 kW DTV (NB)
Weight (approx): 136 Kg


Connectors                                    INPUTS / OUTPUT DTV (ATV) POWER *
NB        WB    OUT                            NB                      WB                     OUT
D           E        E                          10kW (15kW)  20kW (30kW)  20kW (30kW)

* referred to DVB-T 7 MHz standard, recommended: [AmbientTemp. + OverTemp.] ≤60°C
• A=Nf B=7/16f C= 7/8”unfl D=1-5/8”unfl E=3-1/8”unfl F=4-1/2”unfl
G=6-1/8”unfl H=RL-120



-Electrical Data

Typical Tuning: 7 MHz C. MASK

**NB InsertionLoss (Typical):  ≤ 0.35 dB at C.F.
                                                  ≤ 0.95 dB at C.F. ±3.325 MHz

WB Insertion Loss:  ≤ 0.05 dB

Selectivity:
≥ 14 dB at C.F.±3.675 MHz
≥ 26 dB at C.F.±5.25 MHz
≥ 55 dB at C.F.±10.5 MHz

Return Loss:
NB ≥ 26 dB
WB ≥ 26 dB on specifi ed channel or
WB ≥ 23 dB

De-Coupling:  ≥ 30 dB
Group Delay Variation:  ≤ 550 ns (Typical)