Specifications for the
Masters Communications
RLB1500 Return Loss Bridge

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RLB1500 Specifications

Operating Range:  0.5 - 1500 MHz
Insertion Loss:  18 dB@ 5 MHz to 21 dB @ 1.5 GHz
Directivity:  35 dB minimum from 500 kHz - 1.5 GHz, typical directivity exceeds 40 dB over 80 % of range
Input port return loss:  14 dB minimum
Output port return loss:  10 dB minimum
Weight:  9 ounces
Dimensions:  4.75 x 2.6 x 1.55 inches (case size) or 4.75 x 3.8 x 1.55 inches (case and connectors)
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 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 1.5 GHz, 1.2 dB typical at 1.5 GHz (worse case)
DC voltage isolation:  DUT port is DC blocked (AC coupled) allowing +/- 16 VDC Maximum (at DUT port only)
Shock:  Withstands 48 inch drop to 1/2 inch plywood-covered concrete on each of 6 surfaces
Waterproof:  No
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 $97.50 plus return shipping ($18.00) This fee includes recalibration and recertification.

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