Pico Macom C860 Specifications

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Broadband 5-1000 MHz

Broadcast quality specifications for

unparalleled picture quality

Sub-band output port provides high isolation

VHF/UHF ingress-free return path for CMTS

and remote audio/video application

>18 dB return loss provides reduced

reflections for exceptional digital

signal performance

Directional coupler design provides

improved carrier-to-noise, system

performance and picture quality

High -50 dB port to port isolation provides

spurious carrier rejection and minimizes

undesired channel interaction, thereby

reducing picture distortion

Passive design allows bi-directional

flexibility for two-way digital and

analog requirements

Plug-in equalizers and attenuators (included) enable uniform gain and slope system balancing for minimum distortion

-20 dB test port provides convenient access for headend testing and

system monitoring

C860

The MACOM C860 is a professional re-broadcast grade, rack-mounted, high isolation, passive headend signal combiner

available in a 24-channel configuration. This unit combines the outputs from multiple modulators and processors into a single

common broadband output. The high quality directional coupler design enables high isolation between input ports, providing

minimum interaction between digital and/or analog input sources. Plug-in equalizers and attenuators provide system balancing

capability and a high isolation sub-band output port for return path applications further enhance the versatility of this combiner. The

C860 combiner makes it ideally suited for bi-directional applications, such as cable modems, remote audio/video origination or

other applications where remote signal origination is returned to the headend. The

MACOM line is backed by an industry lead-

ing 5-year limited warranty.

Bi-Directional Combiner

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C860

Product Specifications

Front Panel

Rear Panel

RF Input

Frequency Range (fwd): 54-1000 MHz Frequency Range (rev): 5-42 MHz Isolation 54-1000 MHz

(Adjacent): 40 dB

(Opposing): 50 dB Return Loss: -18 dB Impedance: 75 ohms Test Point: -20 ±3 dB

RF Output

Frequency Range

(fwd): 54-1000 MHz (rev): 5-42 MHz

Insertion Loss

(5-42 MHz): 1.8 dB min (54-550 MHz): 28 dB min (551-1000 MHz): 31 dB min

Flatness

(5-42 MHz): ±0.5 dB (54-550 MHz): ±1.0 dB

(551-1000 MHz): ±1.5 dB Return Loss: -18 dB Impedance: 75 ohms Test Point: -20 ±3 dB

General

Dimensions: 19˝(L) x 12˝(D) x 1.75˝(H) Weight: 3.8 lbs. Connectors: “F” type

Ordering Information

C860 Bi-Directional Combiner