C 16-3 Combiners ZHC Series

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 The ZHC Series are professional quality, passive and active out-put combiners. These units are designed for use in headends to combine the outputs of multiple modulators and processors. The ZHC-12 has twelve (12) broadband input ports and one combined output port, while the ZHCA-16 and ZHCA-16b have sixteen (16) input ports and one combined amplified output port.

     These combiners feature high isolation between ports due to an integrated directional coupler design. The input ports of the ZHC-12 and ZHCA-16 are broadband, accepting signals in the 50 to 450 MHz frequency range. The ZHCA-16b accepts signals in the 50-600 frequency range. The ZHCA-16 and ZHCA-16b employ a single push-pull CATV style hybrid module. The overall gain of the ZHCA-16 and ZHCA-16b is variable using a built-in manual gain control, accessible via a front panel control. The ZHC Series are housed in a single height, 1.75" high, rack mountable, steel chassis. The ZHCA-16 and ZHCA-16b are provided with an 18 inch (457 mm) long AC line cord and a rear panel AC convenience outlet, permitting easy connections between racked units.

ORDERING INFORMATION:

ZHC-12 5959 Passive Combiner 50-450 MHz, 12 Ports

ZHCA-16 5958 Active Combiner 50-450 MHz, 16 Ports

ZHCA-16C-750 7757 Active Combiner 50-750 MHz, 16 Ports

ALSO SEE  OC SERIES  C o m b i n e r s . . .C 10-1

SPECIFICATIONS         ZHC-12         ZHCA-16          ZHCA-16b

RF                                    #5959            #5958                #7759 Units

Number of Inputs:               1 2                  1 6                      1 6

Frequency Range:             50-450           50-450              50-600 MHz

Input Level - Max              N A                 +42 (a)            +60 (a) dBmV

Output Level - Max:          N A                 +48 (a)             +48 (a) dBmV

Cross Modulation              N A                 -57                   -57 dBc

Overall Unit Gain:              N A                   15                      3 dB

Gain Control Range:          N A                    9                       9 dB

Insertion Loss:                 1 6                    N A                    N A dB

Isolation :                         40                      40                       40 dB

Impedance - All Ports:     7 5                     7 5                     7 5 OHM

GENERAL

Power Requirements

Voltage :                          N A                  11 7                     11 7

MECHANICAL

RF Input(s): "F" type  female

RF Output: "F" type female

CONNECTORS (Front Panel) Test Port: "F" type female

FEATURES:

12 (ZHC-12) or 16 (ZHCA-16) Inputs

High Isolation Built-In Variable Gain Control

(ZHCA-16) -20 dB Test Port Rack Mount - 1 EIA(1.75") Spacing, Rugged Chassis

   NOTE:

(a) for 16 channel loading

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