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0.5 W precision load DC-7.5 GHz 7-16 female

533732R000
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Precision loads - low intermodulation and best performance

Nowadays, no development, production, testing, or quality control department that deals with RF signals on coaxial lines can afford to dispense with state-of-the-art high-precision equipment. It’s essential to use vector network analyzers (VNAs) in particular with high-precision connectors, terminations, and adapters.

Systematic errors can be fixed by calibrating the VNA. Different calibration standards with defined and known electrical characteristics are applied and compared to identify error coefficients. A technique called vector error correction is used to characterize error terms while applying known standards in order to remove errors from actual measurements and increase the accuracy of the results. A VNA can be calibrated in different ways depending on the required degree of accuracy. The methods used differ in both the number and the type of the calibration standards applied. The most commonly used calibration approaches are OSL (which stands for open-short-load) for single-port measurements and OSLT (for open-short-load-through) for multiple-port measurements. The order of the standards can vary in the designation; for example, the abbreviation SOLT is occasionally used synonymously.

Test setups or systems terminated with a load ideally should be free of intermodulation to avoid distorting the test results. A 0.5 W precision load DC-7.5 GHz 7-16 female load is boasting outstanding Passive Intermodulation values and is suitable for terminating a 50 Ω coaxial system over the frequency range of DC to 7.5 GHz. It has been developed for indoor use in laboratories and is made of lead-free and BeO-free materials.

This product has gold-plated connections and is based on the better quality classes of the IEEE, ICE standards with regard to lower tolerances. SPINNER also uses the term ‘precision’ here to emphasize the suitability for exceptionally high-precision measurements.

The 7-16 connector has become the most widely used coaxial connection system for mobile communication systems, due to its excellent mechanical and electrical properties. In order to achieve the industry leading intermodulation performance SPINNER applies silver-plating on all inner and outer conductor parts of the standard connector. As a supporting measure, we use exclusively non-magnetic materials, and we have minimized the number of RF contact points. The connection is especially suited for transmitting medium or high power indoors and outdoors.

SPINNER RF measurement components meet highest standards

SPINNER has set new standards of accuracy with this product line, which includes a large family of coaxial test equipment with outstanding electrical and mechanical attributes for use in laboratory and production environments. For the production SPINNER applies extremely high standards regarding quality, engineering, materials and manufacturing e.g. DIN EN ISO 9001 - Quality Management, DIN EN ISO 14001 - Environmental Management and ISO 50001:2011 - Energy Management. This enables us to offer precision loads with the best possible performance and lowest possible intermodulation (Low PIM).

RF characteristics

Number of interfaces:
1
Interface type:
7-16 female (50 Ω) per IEC 61169-4
Interface direction:
straight
Frequency range:
DC to 7.5 GHz
Average power rating:
0.5 W
Return loss min.:
44 dB @ DC to 7.5 GHz
DC-resistance:
50 Ω ±0.5 Ω

Mechanical characteristics

Cooling:
convection
Inner conductor:
CuBe age hardened / gold-plated
Outer conductor material / surface:
copper-alloy / gold-plated
Other metal parts material / surface:
copper-alloy / gold-plated
Insulation:
cross linked polystyrene
Weight, approx.:
170.0 g
Marking:
laser engraving

Environmental conditions

Operating temperature:
+18 to +28 °C
Storage ambient temperature:
-40 to +70 °C
Storage relative humidity, max.:
95% (condensation not allowed)

Scope of delivery & accessories

Delivery scope:
calibration certificate, handling instructions

Further remarks

Customs tariff number:
85332100

Downloads

533732-DS.pdf

Product data sheet – 533732R000 – 533732-DS.pdf

M36081.pdf

Handling instructions – 533732R000 – M36081.pdf