Custom Products from Masters Communications |
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Operating Range: | 0.2 - 1300 MHz |
Insertion Loss: | 18 dB @ 200 kHz to 24 dB @ 1300 MHz |
Directivity: | 20 dB minimum from 200 kHz - 400 kHz, typical directivity exceeds 25 dB over this frequency range. |
Directivity: | 30 dB minimum from 400 kHz - 1300 MHz, typical directivity exceeds 34 dB over 60 % of frequency range. |
Input port return loss: | 17 dB minimum with DUT port properly loaded. |
Output port return loss: | 12 dB minimum with DUT port properly loaded. |
Weight: | 12 ounces. |
Dimensions: | 4.81 x 2.61 x 1.6 inches (case size with rubber coating) or 4.81 x 3.8 x 1.6 inches (case, connectors and red connector caps). |
Input to Output connector spacing: | 2.95 inches center to center. |
Construction: | Aluminum die-cast case. |
Connectors: | All are high-quality type N female, nickel or silver plated brass, with gold plated center pin. |
Accidental input power to DUT port capability: | 3.5 Watts continuous - 4 to 5 Watts intermittent. |
Open / Short Differential: | (for calibration) 2 dB maximum at 1300 MHz, 1.2 dB typical at 1300 MHz (worse case). |
DC voltage isolation: | DUT port is DC blocked (AC coupled) allowing +/- 16 VDC Maximum (at DUT port only). |
Maximum RF power to "Input" port capability: | 1 Watt (+30dBm) continuous. |
Shock: | Withstands 48 inch drop to 1/2 inch plywood-covered concrete on each of 6 surfaces. |
Waterproof: | No. |
Color: | Dark Gray - Rubberized coating. |
Warranty: | 1 year parts and labor (does not cover connector damage, over-power on any port, or abuse). |
Out of warranty repair: | Determined on a case by case basis, but generally the bridge can be repaired for anything other than connector damage for a flat fee of $250.00 plus return shipping ($30.00 US). This fee includes recalibration and recertification. |
A really good article on how to make manual return loss measurements by Sam Wetterlin.
This web page, this web site, the information presented in and on its pages is © Copyrighted 1995 and (date of last update) by Kevin Custer and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.