RF Couplers

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R432171000
Radiall
3dB standard 150MHz 500W 300MHz 30dB 0.3dB
Quantity: 0
Ship Date: 6-13 working days
1+ $1820.532
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x $1820.532
Ext. Price: $1820.53
MOQ: 1
Mult: 1
SPQ: 1
JH-114 PIN
MACOM
standard Quadrature 20MHz 5W 40MHz 0.5dB 20dB 0.5dB 50Ω FP-2
Quantity: 0
Ship Date: 7-12 working days
10+ $179.0412
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x $179.0412
Ext. Price: $1790.41
MOQ: 10
Mult: 10
SPQ: 1
FI168K169706-T
TAIYO YUDEN
16dB(Min) Dual channel, Bi-directional 20dB 699MHz 2.69GHz 0.35dB 0.3dB 50Ω 1608 1.6mm*800μm*500μm
Quantity: 0
Ship Date: 6-13 working days
8000+ $0.3297
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x $0.3297
Ext. Price: $2637.60
MOQ: 8000
Mult: 1
SPQ: 1
MACPCC0002
MACOM
17±2 standard 824MHz 2W 960MHz 0.5dB 0.3dB 50Ω SOIC-8 SMD mount
Quantity: 0
Ship Date: 6-13 working days
300+ $7.476
500+ $7.056
1000+ $7.0455
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x $7.476
Ext. Price: $2242.80
MOQ: 300
Mult: 1
SPQ: 1
CP0402P1960ANTR
AVX
12dB Uni-directional 1.93GHz 1.99GHz 0.5dB 0.5dB 50Ω 0402 SMD mount,glue mount 1mm(length)*580μm(width)
Quantity: 0
Ship Date: 6-13 working days
5000+ $0.3224
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x $0.3224
Ext. Price: $1612.00
MOQ: 5000
Mult: 1
SPQ: 1
2026-6010-10
MACOM
10±1 standard Uni-directional 500MHz 50W 18GHz 0.9dB 0.9dB 50Ω SMD mount
Quantity: 0
Ship Date: 6-13 working days
10+ $2024.757
- +
x $2024.757
Ext. Price: $20247.57
MOQ: 10
Mult: 1
SPQ: 1
R433564000
Radiall
20±0.8 standard 1.7GHz,4.2GHz 50W 4.2GHz 0.4dB
Quantity: 0
Ship Date: 7-12 working days
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Ext. Price:
MOQ: 1
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SPQ: 1

RF Couplers

RF Coupler Definition:
An RF (Radio Frequency) coupler is a passive electrical device used in RF and microwave systems to extract a portion of the signal from a transmission line without significantly affecting the main signal path. It is designed to provide a controlled amount of signal power to a secondary load or to a device, such as a power meter or an antenna analyzer, while maintaining the integrity of the primary signal.

Function:
The primary function of an RF coupler is to sample a portion of the RF signal for measurement, , or control purposes. It does this by creating a small loop or gap in the transmission line, which allows a portion of the electromagnetic field to be coupled out. The coupler can be directional or non-directional, depending on the design. Directional couplers can be further classified into forward or reverse couplers, which determine the direction from which the signal is coupled.

Applications:
1. Signal : Used to monitor the power level of a signal without interrupting the main transmission path.
2. Power Measurement: To measure the power of an RF signal for calibration or troubleshooting purposes.
3. Antenna Systems: In antenna systems to measure the forward and reverse power, which helps in determining the antenna's efficiency and match.
4. Test Equipment: Integrated into test equipment to provide a stable reference signal for calibration or to measure signal levels.
5. Communication Systems: In communication systems to sample signals for analysis, which is crucial for maintaining signal quality and performance.

Selection Criteria:
1. Frequency Range: The coupler should be designed to operate within the frequency range of the application.
2. Coupling Factor: The amount of power that needs to be coupled out, which is specified in decibels (dB).
3. Insertion Loss: The loss introduced by the coupler into the main signal path should be minimal.
4. Directivity: The ability of the coupler to distinguish between forward and reverse signals, which is important for accurate signal analysis.
5. Power Handling: The maximum power that the coupler can handle without damage.
6. Physical Size and Mounting: The size and mounting options should be compatible with the system's design.
7. Environmental Factors: Consideration should be given to the operating temperature range, humidity, and other environmental conditions.

When selecting an RF coupler, it is essential to consider these criteria to ensure that the coupler meets the specific requirements of the application and provides accurate and reliable performance.
Please refer to the product rule book for details.