Shively Labs FM Antennas and Accessories
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Shively News
Personnel changes: Joe Rohrer retires; Dale Ladner promoted to fill his shoes.
Shows

ibc logoWe'll be in Amsterdam at IBC 2010, September 10-14.
Come see us at Stand 8.A13!

For free guest passes, enter ticket #16078.

Awards
Shively Labs has won a techINK 2010 Innovation Award for our Graphical Power Meter system!
Innovation award logo
NAB logo
Our Model 6020 antenna brings home the Radio World Coolstuff Award!
Articles

May-June 2008 Radio Guide article:
"Shively Labs Meets the Very Windy Mountain"

September 2007
Radio Guide articles:
"Shively Labs: Antennas That Work!" [279 kB]

"Shively 6014 Dual Hybrid Antenna Solves a Dilemma" [232 kB]

Typical Data for

24-Inch Balanced Combiner Modules

Description:

Including Models:

  • 2540-24-3/4

  • 2540-24-3/6

  • 2540-24-3/9


Type: --- Resonant cavity ---
Size: --- 24-inch ---
No. of Cavities per Filter: --- 4 ---

Performance Specifications:


Typical VSWR at ± 100 kHz:
1.04:1
at ± 150 kHz:
1.04:1
at ± 200 kHz:
1.08:1

Typical Insertion Loss:
-0.30 dB

Typical
Frequency Response

(deviation from
center frequency)
at ± 100 kHz:
-0.01 dB
at ± 150 kHz:
-0.02 dB
at ± 200 kHz:
-0.05 dB

Typical Group Delay at ± 100 kHz:
25 nsec
at ± 150 kHz:
50 nsec
at ± 200 kHz:
150 nsec

Typical Bandwidth:
± 200 kHz
Typical Bandwidth:
Greater than 80 dB


Read about 4 Times Square, NY: 21-station master FM project using a Model 2540 combiner!

Power Ratings:

2540-24-3/4 2540-24-3/6 2540-24-3/9
Maximum Filter Input Power:
--- 40 kW ---
Maximum Power through
Output Hybrid:
Average:
80 kW
160 kW
320 kW
Peak:
700 kW
1500 kW
3200 kW

Inputs, Outputs and Weight:

2540-24-3/4 2540-24-3/6 2540-24-3/9
Input Connection:
--- 3-1/8" EIA ---
Output Connection:
4-1/16" flange or 6-1/8" EIA
6-1/8" EIA
9-1/8" EIA
Output Hybrid:
4-1/16"
6-1/8" EIA
9-1/8" EIA
Shipping Weight: 1400 lb
(636 kg)
1500 lb
(682 kg)
1800 lb
(818 kg)

NOTE Module includes 3-1/8" precision input directional coupler as standard equipment.

Dimensions:



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Last updated: 02/26/2007
Webmaster: Al Friend
© Copyright 2007 Howell Laboratories, Inc.