Specifications for the RLB1300 Return Loss Bridge

Custom Products from Masters Communications

Specifications for the
Masters Communications
RLB1300 Return Loss Bridge

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RLB1300 Specifications

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.

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.