RF Power Dividers/Splitters

Part Number	Description / PDF	Quantity
PDW06399 Knowles DLI	RF PWR DIVIDER 9GHZ-11GHZ MODULE	99
PDW06984 Knowles DLI	RF POWER DVDR 25GHZ-32GHZ MODULE	751
PDR06390 Knowles DLI	RESISTIVE 2 WAY POWER DIVIDER	109
PDW07069 Knowles DLI	RF POWER DVDR 24GHZ-32GHZ MODULE	81
PDW06038 Knowles DLI	RF PWR DIVIDER 2GHZ-10GHZ MODULE	142
PDW06011 Knowles DLI	RF PWR DIVIDER 6GHZ-18GHZ MODULE	3
PDW06401 Knowles DLI	RF POWER DVDR 15GHZ-17GHZ MODULE	18
PDW06398 Knowles DLI	RF PWR DIVIDER 5GHZ-7GHZ MODULE	51
PDW06407 Knowles DLI	RF PWR DIVIDER 2GHZ-18GHZ MODULE	199
PDW06089 Knowles DLI	RF PWR DIVIDER 6GHZ-18GHZ MODULE	235
PDW06400 Knowles DLI	RF POWER DVDR 11GHZ-13GHZ MODULE	0
PDR05848 Knowles DLI	RF PWR DIVIDER 0HZ-40GHZ MODULE	125
PDW07630 Knowles DLI	RF POWER DVDR 25GHZ-32GHZ MODULE	0
PDR06120 Knowles DLI	RESISTIVE 2 WAY POWER DIVIDER	230
PDW05758 Knowles DLI	RF PWR DIVIDER 6GHZ-18GHZ MODULE	715
PDR06380 Knowles DLI	RF PWR DIVIDER 0HZ-40GHZ MODULE	0
PDW06933 Knowles DLI	2 WAY POWER DIVIDER	10
PDW07691 Knowles DLI	RF POWER DVDR 18GHZ-20GHZ MODULE	0
PDW06041 Knowles DLI	RF PWR DIVIDER 2GHZ-10GHZ MODULE	11

RF Power Dividers/Splitters

1. Overview

RF/IF Power Dividers/Splitters are passive or active microwave components that split an input RF signal into two or more output signals with specific amplitude and phase relationships. They are critical in signal distribution, impedance matching, and system integration across wireless communication, test instrumentation, and RFID systems. Their ability to manage signal paths ensures optimal performance in multi-channel systems and measurement accuracy.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Passive Power Dividers	No external power required, low insertion loss, fixed splitting ratio	Base stations, DAS systems
Active Power Splitters	Amplified signal distribution, adjustable gain control	Signal boosters, repeaters
2-Way/3-Way/4-Way Dividers	Fixed output port configurations with phase-matched outputs	MIMO systems, phased arrays
Waveguide Power Dividers	High-power handling, low-loss at microwave frequencies	Satellite communications, radar
Microstrip Line Splitters	Compact PCB-based design, cost-effective mass production	IoT devices, RFID readers

3. Structure and Components

Typical physical structure includes: - Dielectric substrate (FR4, Rogers material) with conductive transmission lines - SMA/N-Type or waveguide connectors for RF ports - Resistive or reactive components for impedance matching - Metal housing for EMI shielding (1.5-3.0mm thickness) - Thermal management coatings for high-power models Key technologies: Wilkinson divider circuitry, quadrature hybrid couplers, and corporate feed networks implemented through PCB etching or ceramic substrates.

4. Key Technical Specifications

Parameter	Importance
Frequency Range (0.5-40 GHz)	Determines operational bandwidth and application compatibility
Insertion Loss (0.2-2.5 dB)	Impacts system signal integrity and noise figure
Isolation (15-30 dB)	Prevents crosstalk between output ports
Power Handling (5-500W)	Defines maximum operational safety margin
VSWR (1.1:1-1.5:1)	Indicates impedance matching quality
Phase Balance ( 1-5 )	Essential for coherent signal processing

5. Application Fields

Primary industries: - Telecommunications: 5G massive MIMO base stations, fiber DAS - Test & Measurement: Vector network analyzers, spectrum analyzers - RFID Systems: UHF Gen2 reader antenna multiplexing - Aerospace: Aircraft communication navigation systems (CNS) - Industrial IoT: Smart factory sensor networks Typical equipment: Anritsu MT8000A tester, Keysight N9020B analyzer, Impinj R420 reader.

6. Leading Manufacturers and Products

Manufacturer	Country	Representative Product
Analog Devices	USA	ADP-2181 (0.5-18GHz, 3-way splitter)
Mini-Circuits	USA	ZFRSC-42-S+ (2-40GHz, ultra-broadband)
RFMW Ltd.	Canada	RF3080 (8-12GHz, waveguide divider)
Murata Manufacturing	Japan	NX7060 Series (Sub-6GHz, LTE applications)
COMSAW	Korea	CSW-1500M (1.5-2.7GHz, 4G LTE splitter)

7. Selection Recommendations

Key considerations: - Frequency match with system operating band (include 20% margin) - Power handling requirement (continuous vs peak power) - Channel count vs phase coherence needs - Environmental rating (IP67 for outdoor deployments) - Connector type compatibility (SMA vs N-Type vs TNC) - Cost vs performance trade-off (Wilkinson vs hybrid designs) For RFID applications, prioritize models with excellent port isolation (>25dB) to prevent tag read interference.

8. Industry Trends

Current development directions: - mmWave compatibility (24-100GHz) for 5G/6G systems - Miniaturization through LTCC technology (size reduction >40%) - Integrated digital control for smart antenna systems - Improved thermal management materials (diamond substrate adoption) - Standardization of RFID-specific splitters under EPCglobal UHF Gen2v2