All Components (20)Power Division & Combining(5)Signal Routing & Attenuation(5)Filtering & Frequency Selection(5)Impedance Matching & Utility(5)

Power Division & Combining3-Port (1 In, 2 Out)

Wilkinson Power Divider

Equal-phase splitting with lossless transmission and high inter-port isolation.

Insertion Loss:-3.05 dB (Theoretical -3.01 dB)

Isolation / RL:> 26 dB (S23 Isolation)

Bandwidth:20% - 35% (Octave with multi-stage)

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Power Division & Combining3-Port (1 In, 2 Out)

Resistive Power Divider

Ultra-wideband DC-to-mmWave resistive splitter with zero frequency dispersion.

Insertion Loss:-6.02 dB (Nominal split loss)

Isolation / RL:-6.0 dB (Inherent resistive isolation)

Bandwidth:DC to 110+ GHz (No reactive limits)

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Power Division & Combining4-Port Quadrature

Branch-Line Coupler (90° Hybrid)

Four-port quadrature hybrid with equal 3 dB split and exact 90° phase offset.

Insertion Loss:-3.1 dB (Ports 2 & 3)

Isolation / RL:> 28 dB (Port 4 Isolated)

Bandwidth:10% - 18% (Centered around λ/4)

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Power Division & Combining4-Port Sum/Diff

Rat-Race Coupler (180° Hybrid Ring)

Ring hybrid coupler producing sum (Σ) and difference (Δ) phase distributions.

Insertion Loss:-3.15 dB (Sum & Difference ports)

Isolation / RL:> 30 dB Isolation between Σ and Δ ports

Bandwidth:20% - 25% around design center

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Power Division & Combining4-Port Interdigital

Lange Coupler (Interdigital 90°)

Interdigital microstrip fingers with wirebonds for wideband 90° coupling.

Insertion Loss:-3.1 dB across full octave band

Isolation / RL:> 25 dB Isolation across 1.5:1 to 2:1 bandwidth

Bandwidth:> 60% - 100% (Octave or multi-octave)

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Signal Routing & Attenuation4-Port Directional

Directional Coupler (Edge-Coupled)

Samples forward RF power with high directivity and minimal mainline loss.

Insertion Loss:-0.2 dB mainline loss (-20 dB coupler)

Isolation / RL:> 35 dB Directivity (D = Isolation - Coupling)

Bandwidth:20% - 40% fractional bandwidth

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Signal Routing & Attenuation2-Port In-Line

Fixed Attenuator Pad (Pi / T)

Precision resistive attenuation pad for dynamic range leveling and VSWR buffering.

Insertion Loss:Calibrated -3.0 dB, -6.0 dB, -10.0 dB, or -20.0 dB (±0.15 dB)

Isolation / RL:> 25 dB Return Loss (VSWR < 1.12:1)

Bandwidth:DC to 40 GHz broadband

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Signal Routing & Attenuation2-Port Variable

Variable Attenuator (Passive Step / Rotary)

Continuous or step-switched RF attenuation for signal leveling and link budget calibration.

Insertion Loss:< 0.5 dB residual insertion loss at 0 dB state

Isolation / RL:> 20 dB Return Loss across all attenuation states

Bandwidth:Multi-octave (e.g. 1 - 18 GHz)

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Signal Routing & Attenuation3-Port Non-Reciprocal

RF Circulator (3-Port Ferromagnetic)

Ferromagnetic non-reciprocal junction routing RF signals in a uniflow circular sequence.

Insertion Loss:< 0.35 dB forward insertion loss (S21, S32, S13)

Isolation / RL:> 25 dB reverse isolation (S12, S23, S31)

Bandwidth:15% - 25% centered on radar/telecom bands

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Signal Routing & Attenuation2-Port Unidirectional

RF Isolator (2-Port Unidirectional)

Protects high-power amplifiers by absorbing antenna reflection and mismatch power.

Insertion Loss:-0.28 dB Forward Transmission (S21)

Isolation / RL:> 30 dB Reverse Isolation (S12)

Bandwidth:15% - 30% bandwidth

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Filtering & Frequency Selection2-Port Filter

Low-Pass Filter (Stepped-Impedance)

Stepped-impedance microstrip filter for transmitter harmonic suppression.

Insertion Loss:< 0.35 dB in passband (DC to f_cutoff)

Isolation / RL:> 40 dB rejection at 2·f_0 harmonic

Bandwidth:DC up to designated cutoff frequency (e.g. 3.0 GHz)

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Filtering & Frequency Selection2-Port Filter

High-Pass Filter (Stub / Quasi-Lumped)

Attenuates low-frequency noise and IF feedthrough while passing high microwave bands.

Insertion Loss:< 0.45 dB in upper microwave passband

Isolation / RL:> 35 dB rejection below cutoff frequency

Bandwidth:High-pass from f_cutoff up to multi-GHz upper limit

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Filtering & Frequency Selection2-Port Resonator

Band-Pass Filter (Coupled-Line / SIW)

High-selectivity bandpass filter with sharp transmission zeros and high Q-factor.

Insertion Loss:< 1.2 dB in center passband (Q-dependent)

Isolation / RL:> 45 dB out-of-band rejection with transmission zeros

Bandwidth:1% to 15% fractional bandwidth

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Filtering & Frequency Selection2-Port Notch

Band-Stop Filter (Notch / Trap)

Deep attenuation notch for eliminating specific high-power interfering carriers.

Insertion Loss:< 0.25 dB in passbands outside the notch

Isolation / RL:> 45 dB deep rejection notch at f_notch

Bandwidth:Narrow stopband (2% - 8% notch width)

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Filtering & Frequency Selection3-Port (1 Common, 2 Band)

Dual-Channel Diplexer

Splits a broadband feed into two distinct non-overlapping frequency bands.

Insertion Loss:< 0.8 dB across both active passbands

Isolation / RL:> 35 dB cross-channel isolation between Port 2 and Port 3

Bandwidth:Dual independent passbands

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Impedance Matching & Utility2-Port In-Line

Quarter-Wave Matching Transformer

Quarter-wavelength transmission section for real and complex impedance transformation.

Insertion Loss:< 0.15 dB insertion loss at center frequency

Isolation / RL:> 30 dB Return Loss (VSWR < 1.06:1 at f_0)

Bandwidth:20% (Single stage) to >100% (Chebyshev 3-stage)

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Impedance Matching & Utility3-Port Unbalanced/Balanced

Planar Marchand Balun

Converts single-ended coaxial signals to differential balanced feeds with 180° phase split.

Insertion Loss:-3.2 dB per balanced arm (0.2 dB excess insertion loss)

Isolation / RL:> 25 dB Common-Mode Rejection Ratio (CMRR)

Bandwidth:> 60% fractional bandwidth (Multi-octave)

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Impedance Matching & Utility3-Port (RF, DC, RF+DC)

Wideband Bias Tee (LC Diplexer)

Injects DC supply voltage onto an active RF coaxial line without RF leakage.

Insertion Loss:< 0.35 dB RF insertion loss (Port 1 to Port 3)

Isolation / RL:> 35 dB RF-to-DC port isolation across full band

Bandwidth:10 MHz to 26.5 GHz (Broadband)

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Impedance Matching & Utility2-Port In-Line

High-Frequency Series DC Block

Blocks dangerous DC bias voltages while providing transparent microwave transmission.

Insertion Loss:< 0.12 dB Insertion loss up to 40 GHz

Isolation / RL:> 25 dB Return Loss (VSWR < 1.12:1)

Bandwidth:100 kHz up to 40+ GHz

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Impedance Matching & Utility1-Port Shunt Load

50Ω Precision RF Termination (Dummy Load)

Absorbs all incident RF power with zero reflection back to the transmitter.

Insertion Loss:Full absorption (Reflection coefficient |Γ| < 0.018)

Isolation / RL:> 35 dB Return Loss across full band (VSWR < 1.04:1)

Bandwidth:DC to 50 GHz broadband

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