Skip to content
0.5-18GHz 20dB Dual-Directional Coupler

0.5-18GHz 20dB Dual-Directional Coupler

SKU DD00501800-20
Availability:
10 in stock, ready to be shipped
Availability:
Only 1 left!
$1,258.00 - $6,100.00
$1,258.00
$1,258.00 - $6,100.00
$1,258.00

Low VSWR: 1.10:1 typ, 1.35:1 max

Insertion Loss: 1.5dB max

Coupling: 20±0.8dB max

Flatness: ±0.9dB max

Directivity: 16dB min

Power: 30W CW max, 3000W peak max

Dual-Directional Signal Sampling: Yes

DC Pass Capability: Yes

Pack Size: 1 Pack

WHY CHOOSE THIS DUAL-DIRECTIONAL COUPLER?

  • ✔ Broad Frequency Range – Covers 0.5 to 18GHz for versatile RF applications.
  • ✔ Accurate Coupling – 20 with ±0.8dB.
  • ✔ Low VSWR – 1.10:1 typ and 1.35:1 max
  • ✔ Low Insertion Loss – 1.5dB max to maintain signal integrity.
  • ✔ High Directivity – 16dB min for superior isolation between forward and reverse signals.
  • ✔ Robust Power Handling – Supports 30W CW max, 3000W peak max to accommodate high-power applications.
  • ✔ DC Pass Capability – Allows DC signals to pass through for biasing active components.

PRODUCT OVERVIEW

Designed for precision RF applications, the 0.5 to 18GHz 20dB Dual-Directional Coupler enables bidirectional signal monitoring with excellent isolation and loss. With a max insertion loss of 1.5dB, high directivity of 16dB min, 1.10:1 typ, and 1.35:1 max, it ensures efficient power handling and reliable signal integrity. Its 30W CW max, 3000W peak max power capability make it ideal for demanding environments where accurate signal sampling and monitoring are crucial.


SPECIFICATIONS

Frequency Range

0.5-18GHz

Main Line VSWR

1.35:1 max

Coupling VSWR

1.35:1 max

Insertion Loss¹

1.5dB max

Coupling

20±0.8dB max

Flatness

±0.9dB max

Directivity

16dB min

Power²

CW: 30W max; Peak: 3000W max

Weight

145g max

Dimension³

134.0x12.7x24.0mm (LxWxH)

Interface

Input: SMA [F], Thru.: SMA [F], Coup.: SMA [F]

Finishing

Polyurethane Paint

Operating Temperature

-55 ~ +85°C

Storage Temperature

-55 ~ +100°C

1. Theoretical coupling loss included
2. VSWR ≤1.2 required for CW
3. Unless otherwise specified, decimal tolerance: x.±1; .x±0.5; .xx±0.1


APPLICATIONS

Testing & Measurement

Enables bidirectional signal sampling for precise RF analysis in network analyzers, spectrum analyzers, and RF test setups.

Signal Monitoring

Allows real-time observation of forward and reverse signals without disrupting transmission.

Power Management

Ensures accurate power readings and prevents unwanted reflections from affecting system performance.