The double balanced bridge system consist of two band-pass filter, two -3dB coupler and a absorber.
One of both inputs has a narrow-band characteristic (complying with the pass-band functions of the bandpass filters), while the remaining input features a broadband characteristic within the operating frequency range of -3dB couplers, both inputs exhibits a frequency independent load impedance to the RF source.
Manual N/A
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Product Specifications
Impedance 50 Ohm
Frequency Range 87.5÷108 MHz
VSWR ±150 KHz 1.1:1 Max
Insertion Loss at ƒ0 0.5 dB Max (Narrow Band Input 2)
Insertion Loss at ƒ0 0.4 dB Max (Narrow Band Input 3)
Insertion Loss at ƒ0 0.3 dB Max (Narrow Band Input 4)
Insertion Loss 0.2 dB Max (Broad Band Input 1)
Return Loss ±150 KHz = -26 dB
No. of Input 4 (3 NarrowBand + 1 BroadBand)
No. of Output 1
Connectors 7/8” EIA Narrow Band Input
Connectors 7/8” eia Broad Band Input
Connectors 1+5/8” Output
Max Power 3 KW x 4 Channels
Working Temperature -20°C ÷ +50°C
Dimensions 55.1 Max size x 56.3 x 24.8 inch (H x L x W)
Shipping Weight =~145 Kg
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Design by: Doral Design