Skywalker SKY2342-16 16 dB Directional Coupler 4 Port Drop Tap for Cable TV Antenna Distribution
The SKY2342-16 with 16 dB Loss from Input to Tap is one in the Series of Directional Couplers with an Integral (4) Port Drop Tap, is made for MATV (Master Antenna TV), CATV (Cable TV) and TV Antenna Distribution with a bandwidth of 5-1000 MHz in Homes, Offices, Apartments and Hotel/Motel Systems. It Features a Main Feed Input and Output (DC Power Passing) with (4) Drop Ports (NOT DC Power Passing) for Feeding Television Wallplates with the Output levels being reduced from the from the input feed by the tap value (in this case -16 dB), and can be installed In-wall or on Exterior with a Grounding Connection.
SPECIFICATIONS
Tap Loss: -16dB
Bandpass: 5-1000 MHz
Insertion Loss (IN-OUT):
005-400 MHz / 1.6 dB
400-500 MHz / 1.7 dB
500-600 MHz / 1.8 dB
600-1.00 GHz / 1.6 dB
Isolation (TAP-TAP): 25 dB
Return Loss (All Ports):18 dB
|
Note: Here we have accumulated some Design and Usage Tips when using this Particular Series of Direction Multi-taps.
In Example: the 8dB value has No Signal present on the Main Output as the Input signal goes to directly feed the 4-way Splitter within for the (4) Tap Outputs. However, the DC Voltage will still be present on the Main Output if it was present on the Main Input. We would call this a "Self-terminating" Tap in RF theory and yet some installers like placing 75 Ohm Terminators on any unused Outputs to maintain Impedance Match, which is also a good practice. If Your system has No DC Voltage present because you have not installed any in-line Drop Amplifiers, then you can place a regular 75 Ohm Terminator anywhere in the system as needed.
If You have Introduced DC Voltage into the system via a Power Inserter to feed In-line Amplifiers in the middle of a run of these taps (or any like them), it is best to Block the DC Voltage after feeding the Amplifier in use if it is not needed past this point farther along the run as most have not method of blocking DC Voltage passing thru Input or Output. You can do so with an In-line Voltage Blocking Adapter such as the Holland Electronics VBC (Voltage Blocking Coupler). This will allow you to place other passives in your drop system without worry of burning them up, incurring shorts in RG Cables, and place Terminators as necessary for any unused ports or cables.
Commensurately, if you need to use inline Attenuators, the (4) output ports have no DC Voltage present in either circumstance and it would be safe to install regular attenuators like the Holland Electronics FAM-* Series there however, if you wish to Attenuate The Main Input/Output Distribution line with DC Voltage being present to feed an inline Amplifier; use either the Holland Electronics FAMP-* Series Power-passing inline Attenuators made for this purpose.
|
Print this page
