IMS2025 Exhibition Hours: Tuesday,17 June 2025 09:30-17:00Wednes

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LDC-1/26.5-30S 1-26.5Ghz 30dB directional coupler

Type:LDC-1/26.5-30s                                  Frequency range:1-26.5Ghz

Nominal Coupling:30                                   Insertion Loss:1.1dB

Coupling Accuracy:±0.6                               Coupling Sensitivity to Frequency:±0.7

Directivity:13dB                                             VSWR:1.5

Connecter:SMA-F

LDC-1/26.5-30S 1-26.5Ghz 30dB directional coupler


Product Detail

Product Tags

Leader-mw Introduction to LDC-1/26.5-30S 1-26.5Ghz 30dB directional coupler

LEADER-MW 30dB Directional Coupler in the 1-26.5 GHz frequency range with a directivity of 13dB is a critical component often used in microwave and RF systems for signal sampling and monitoring. This type of coupler is designed to selectively sample a portion of the power from a transmission line, providing an output that is proportional to the incident power while maintaining high isolation between the input and output ports.

The 30dB coupling level indicates that the coupler will extract 1/1000th of the power from the main signal path, which is useful for applications where minimal signal disruption is essential. The 1-26.5 GHz operating range makes this coupler suitable for a wide array of applications, including telecommunications, radar systems, and satellite communications, as it encompasses many standard communication bands.

With a directivity of 13dB, the coupler effectively minimizes the leakage of power from the output port back into the input port, ensuring that the sampled signal remains accurate and uncontaminated by reflections or noise. This high directivity contributes to the overall performance and reliability of the coupler in complex RF systems, where precision and signal integrity are paramount.

Leader-mw Specification

Type NO:LDC-1/26.5-30S

No. Parameter Minimum Typical Maximum Units
1 Frequency range 1 26.5 GHz
2 Nominal Coupling 30 dB
3 Coupling Accuracy ±0.6 dB
4 Coupling Sensitivity to Frequency ±0.7 dB
5 Insertion Loss 1.1 dB
6 Directivity  13 dB
7 VSWR 1.5 -
8 Power 50 W
9 Operating Temperature Range -40 +85 ˚C
10 Impedance - 50 - Ω

Remarks:

1.Include Theoretical loss 0.004db  2.Power rating is for load vswr better than 1.20:1

Leader-mw Environmental Specifications
Operational Temperature -30ºC~+60ºC
Storage Temperature -50ºC~+85ºC
Vibration 25gRMS (15 degrees 2KHz) endurance, 1 hour per axis
Humidity 100% RH at 35ºc, 95%RH at 40ºc
Shock 20G for 11msec half sine wave,3 axis both directions
Leader-mw Mechanical Specifications
Housing Aluminum
Connector stainless steel
Female Contact: gold plated beryllium bronze
Rohs compliant
Weight 0.15

Outline Drawing:

All Dimensions in mm

Outline Tolerances ± 0.5(0.02)

Mounting Holes Tolerances ±0.2(0.008)

All Connectors: SMA-Female

26.5
Leader-mw Test Data
1.1
1.3
1.2

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