3 Way RF Power Divider, Combiner, Splitter
Type N, SMA, TNC, BNC, 350-6000 MHz

INSTOCK Wireless 3 way power divider, power combiners are available in two configurations, in-line and T-style, each offered with N Type, SMA, TNC, BNC, & QMA connectors. All models are optimized for broadband operation with frequency ranges from 350 MHz to 6 GHz with unsurpassed electrical performance. These Wilkinson hybrid, 3 way, power divider, power combiners are reciprocal units that divide and combine signals with equal facility. Their microstrip construction will pass DC current to all ports for use in active systems. DC blocking and current steering models are also available.

3 Way Power Divider Combiner Specifications

Model No. Coaxial Connectors Frequency Range (MHz) Insertion Loss (above 4.77 dB) Amplitude Balance Phase Balance Isolation Input VSWR Output VSW
PD1130 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD3130 SMA 698-2700 0.7 dB max 0.3 dB max 4° max 22 dB min 1.30:1 max 1.15:1 max
PD1030 N Type 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD3030 N Type 698-2700 0.7 dB max 0.3 dB max 4° max 22 dB min 1.35:1 max 1.15:1 max
PD2130 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD2203 SMA+N 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD4130 SMA 698-2700 0.7 dB max 0.3 dB max 4° max 22 dB min 1.30:1 max 1.15:1 max
PD7130 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 20 dB min 1.35:1 max 1.20:1 max
PD2030 N Type 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.20:1 max
PD2803 N Type 698-2700 0.5 dB max 0.2 dB max 2° max 22 dB min 1.30:1 max 1.15:1 max
PD4030 N Type 698-2700 0.7 dB max 0.3 dB max 4° max 22 dB min 1.35:1 max 1.15:1 max
GPS310 SMA 1000-2000 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
GPS311 SMA 1000-2000 0.4 dB max 0.2 dB max 5° max 22 dB min 1.20:1 max 1.25:1 max
GPS312 SMA 1000-2000 0.4 dB max 0.2 dB max 5° max 22 dB min 1.20:1 max 1.25:1 max
GPS330 SMA+N 1000-2000 0.4 dB max 0.2 dB max 5° max 20 dB min 1.20:1 max 1.25:1 max
GPS300 N Type 1000-2000 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
GPS301 N Type 1000-2000 0.7 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
GPS302 N Type 1000-2000 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
GPS320 TNC 1000-2000 0.4 dB max 0.2 dB max 5° max 20 dB min 1.20:1 max 1.25:1 max
GPS321 TNC 1000-2000 0.4 dB max 0.2 dB max 3° max 22 dB min 1.20:1 max 1.25:1 max
GPS350 BNC 1000-2000 0.4 dB max 0.2 dB max 5° max 20 dB min 1.20:1 max 1.25:1 max
PD5130 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD5131 SMA 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD5132 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD5133 SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD5030 N Type 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD5031 N Type 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD5032 N Type 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD5033 N Type 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD7030 N Type 698-2700 0.7 dB max 0.3 dB max 4° max 22 dB min 1.35:1 max 1.20:1 max
PD5530 BNC 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD5930 TNC 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD2568 SMA 2400-6000 0.8 dB max 0.3 dB max 4° max 17 dB min 1.50:1 max 1.40:1 max
PD2468 N Type 2400-6000 0.8 dB max 0.3 dB max 4° max 17 dB min 1.50:1 max 1.40:1 max
PD2430 SMA 350-1000 0.7 dB max 0.3 dB max 4° max 18 dB min 1.35:1 max 1.20:1 max
PD2330 N Type 350-1000 0.7 dB max 0.3 dB max 4° max 18 dB min 1.35:1 max 1.20:1 max
PD2931 TNC 350-1000 0.7 dB max 0.3 dB max 4° max 18 dB min 1.35:1 max 1.20:1 max
PD2531 BNC 350-1000 0.7 dB max 0.3 dB max 4° max 18 dB min 1.35:1 max 1.20:1 max
PD2131 SMA 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD2031 N Type 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD2933 TNC 698-2700 0.7 dB max 0.2 dB max 3° max 18 dB min 1.35:1 max 1.25:1 max
PD2930 TNC 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD2530 BNC 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
PD2730 QMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max
RP2130 RP-SMA 698-2700 0.6 dB max 0.2 dB max 3° max 18 dB min 1.30:1 max 1.25:1 max

3 Way Power Divider Combiner Application Note

INSTOCK three way power divider, power combiners are available in two configurations, in-line and T-style, each offered with type-N female (jack) and SMA female (jack) connectors. All 4 models are optimized for broadband operation covering the frequency range from 0.698 to 2.700 GHz with unsusrpassed electrical performance. These Wilkinson hybrid, 3 way, power divider, power combiners are reciprocal units that can be used to divide or combine signals with equal facility. Their microstrip construction passes DC current to all ports for use in active systems.

In power dividing applications, the input signal is equally split into three output signals, each down 4.77 dB from the incident due to the 1:3 power division. No power is actually lost from this power split; it is just allocated into three amplitude and phase matched signals, thus a so called 4.77 dB insertion loss. True insertion loss of less than 0.7 dB max will be found at the output ports resulting from dissipation of small amounts of RF & microwave energy within the connectors and microstrip circuit. The output signals are isolated from each other by 22 dB minimum through the use of resistors that dissipate any power reflected back to the circuit caused by unequal or unbalanced output loads. The 40 watt maximum power rating of these power dividers is applicable when connected to matched output load VSWR of 1.2:1 or better. This maximum power rating must be reduced when load VSWR's increase and are unbalanced or out-of-phase with respect to one another. See Power Divider Input Ratings Table for additional guidelines.

The situation with power combining is a bit more complex. While it is possible to sum three input signals with no loss, this can only be accomplished if the signals are coherent and identical in phase and amplitude. Such a case would be the three way power splitting of a signal which is then recombined after amplification, provided the amplified signals are phase locked together. But outside this case, or cases of pure sine signals, or CW signals without any transmitted information, the combining of three non-coherent signals will result in a minimum 4.77 dB loss (1/3rd power ratio) plus the true insertion loss of the power combiner (0.7 dB max @ 2.7 GHz). Worst-case combining loss occurs with coherent signals 180° out-of-phase, where all input power is dissipated. Because the combining loss is dissipated through the isolation resistors, the power handling and heat transfer capabilities of these resistors ultimately determines the maximum combiner power rating. See 3 Way Power Combiner Input Ratings Table (left) for more information.

Contact INSTOCK Wireless for unique solutions to your high power combiner requirements.

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