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Awards
Shively Labs has won a techINK 2010 Innovation Award for our Graphical Power Meter system!
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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]

Model 2930

Two- and Three-Station Low-Power Branched Combiners


2930-2/3 2930-2/4 2930-3/3 2930-3/4

No. of Stations: 2 2 3 3
Frequency Spacing, MHz: > 0.8 > 0.8 > 0.8 > 0.8

Performance Specifications:

2930-2/3 2930-2/4 2930-3/3 2930-3/4
Typical VSWR at ± 100 kHz:
1.06:1
1.06:1
1.06:1
1.06:1
at ± 150 kHz:
1.05:1
1.05:1
1.05:1
1.05:1
at ± 200 kHz:
1.08:1
1.08:1
1.08:1
1.08:1

Typical Insertion Loss:
-1.15 dB
-1.5 dB
-1.15 dB
-1.5 dB

2930-2/3 2930-2/4 2930-3/3 2930-3/4
Typical
Frequency Response

(deviation from
center frequency)
at ± 100 kHz:
-0.05 dB
-0.05 dB
-0.05 dB
-0.05 dB
at ± 150 kHz:
-0.15 dB
-0.15 dB
-0.15 dB
-0.15 dB
at ± 200 kHz:
-0.20 dB
-0.20 dB
-0.20 dB
-0.20 dB

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

Typical Bandwidth:
---- 200 kHz ----
Power Rating:
Per-station maximum of 500 W.

Description:

2930-2/3 2930-2/4 2930-3/3 2930-3/4
Type: --- Convection-cooled resonant cavity ---
Size: ---- 3" ----
No. of Cavities per Station: 3 4 3 4
Inputs:
--- Type N (female) ---
Outputs:
To 1.5 kW: Type "N"; above 1.5 kW: 7-16 DIN

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Last updated: 05/20/2009
Webmaster: Al Friend
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