21-98-11-xx-T Series, 940-960 MHz T-Pass Expansion Channel Bird

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21-98-11-xx-T Series

A 6.625” 3-quarterwave T-Pass® cavity filter
A dual ferrite isolator, with RF loads and coaxial cable for connection to the cavity
An RF sampler to measure RF power reflected into the isolator output load
Isolator and channel mounting hardware
To order an expansion channel, specify the following:
Frequency and position of all channels in the system to be expanded
New channel frequencies
Transmitter output power on all new channels
Tech-Aid No. 93002 (Lit. No. D3011F93) provides a listing of expansion channels by frequency range and isolator load power, as well as diagrams to facilitate selection of the correct channel configuration. Expansion channels are also available with 60-watt loads. Consult with factory.
Notes:
Contact factory on expansion channels for frequencies below 220 or above 250 MHz.
“xx” in model number describes isolator and load configuration: 2B = 5W/25W; 2C 5W/60W; 2D = 5W/100W.
21-98-11-xx-T Series, 940-960 MHz T-Pass Expansion Channel assemblies consist of the following items:
Expansion assemblies for channel 2 and higher are supplied with a thruline of the correct length for the new channel frequency.
Starter channels (channel 1, bottom) are supplied with a short circuit on the T-Pass loop.
Ordering Information
T-Pass® Expansion Channel Guide