Industrial Microwave Sliding Short

Name: Industrial Microwave Sliding Short
SKU: N/A

The frequency coverage range of this product is from 1.72 GHz to 110 GHz, covering 18 waveguide frequency bands. Its waveguide size specifications cover the entire series from WR-10 to WR-430. In terms of flanges, we offer a variety of selection options including UG type square/round cover plates and CPR type, etc. The minimum standing wave ratio (VSWR) of the product can reach 60:1, enabling the construction of a high-reflection short-circuit state for waveguide components.

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Product Description

Industrial Microwave Sliding Short Introduction

Advanced Microwave specializes in high-performance Industrial Microwave Sliding Shorts—core waveguide tuning components designed for precise reflection coefficient adjustment in RF/microwave systems.Characterized by high positioning accuracy, stable reflection performance, and broadband compatibility, our sliding shorts are engineered to meet the rigorous demands of industrial heating, test & measurement, and communication systems.We offer standard models for mainstream waveguide series, as well as customized solutions tailored to specific frequency, power, and structural requirements.

Waveguide Sliding Shorts

Producuct Specifications

Model No*	Freq Range(GHz)	VSWR	Sliding Distance(mm)	Flange	Material	Finish
ADM-3WSS	0.32-0.49	≥50	300	FDP	Al	Chromate conversion
ADM-4WSS	0.35-0.53	≥50	240	FDP	Al	Chromate conversion
ADM-5WSS	0.41-0.62	≥50	220	FDP	Al	Chromate conversion
ADM-6WSS	0.49-0.75	≥50	180	FDP	Al	Chromate conversion
ADM-8WSS	0.64-0.98	≥50	150	FDP	Al	Chromate conversion
ADM-9WSS	0.75-1.15	≥50	130	FDP	Al	Chromate conversion
ADM-12WSS	0.96-1.46	≥50	100	FDP	Al	Chromate conversion
ADM-14WSS	1.13-1.73	≥50	90	FDP	Al	Chromate conversion
ADM-18WSS	1.45-2.20	≥50	80	FDP	Al	Chromate conversion
ADM-22WSS	1.72-2.61	≥50	70	FDP	Al	Chromate conversion
ADM-26WSS	2.17-3.30	≥50	60	FDP	Al	Chromate conversion
ADM-32WSS	2.60-3.95	≥50	60	FDP	Al	Chromate conversion
ADM-40WSS	3.22-4.90	≥50	50	FDP	Al	Chromate conversion
ADM-48WSS	3.94-5.99	≥50	50	FDP	Al	Chromate conversion
ADM-58WSS	4.64-7.05	≥50	50	FDP	Al	Chromate conversion
ADM-70WSS	5.38-8.17	≥50	40	FDP	Cu	Silver Plating
ADM-84WSS	6.57-9.99	≥50	40	FBP	Cu	Silver Plating
ADM-100WSS	8.20-12.40	≥50	30	FBP	Cu	Silver Plating
ADM-120WSS	9.84-15.0	≥50	30	FBP	Cu	Silver Plating
ADM-140WSS	11.9-18.0	≥50	25	FBP	Cu	Silver Plating
ADM-180WSS	14.5-22.0	≥50	20	FBP	Cu	Silver Plating
ADM-220WSS	17.6-26.7	≥50	20	FBP	Cu	Silver Plating
ADM-260WSS	21.7-33.0	≥50	10	FBP	Cu	Silver Plating
ADM-320WSS	26.5-40.0	≥50	10	FBP	Cu	Silver Plating
ADM-400WSS	32.9-50.1	≥50	10	FUGP	Cu	Gold Plating
ADM-500WSS	39.2-59.6	≥50	10	FUGP	Cu	Gold Plating
ADM-620WSS	49.8-75.8	≥50	10	FUGP	Cu	Gold Plating
ADM-740WSS	60.5-91.9	≥50	10	FUGP	Cu	Gold Plating
ADM-900WSS	73.8-112	≥50	10	FUGP	Cu	Gold Plating

Product Benefits

Precise Tuning Performance: High-precision linear slides and anti-backlash design ensure stable reflection adjustment, supporting fine-tuning of RF system impedance.
Broadband Adaptability: Covers 1.72 GHz–110 GHz, compatible with multi-band systems without replacing components, reducing inventory costs.
Low Insertion Loss: Polished waveguide inner walls + high-conductivity plating minimize signal attenuation, ensuring efficient energy utilization.
Durable Construction: Wear-resistant sliding rails and corrosion-resistant materials extend service life in harsh industrial environments.
Easy Operation: Manual models feature ergonomic knobs with position scales;electric models support remote control via PC/PLC, improving automation efficiency.

Technical Features

High-Stability Reflection: Optimized short-circuit piston design achieves VSWR ≤60:1, forming reliable high-reflection states for impedance matching.
Dual Drive Options: Manual drive for small-scale tuning;electric drive with closed-loop feedback for automated, repeatable positioning.
Temperature Resistance: Operates stably in -40℃ to +85℃, suitable for high-temperature industrial heating or outdoor communication scenarios.
Sealing Design: Optional IP65-rated sealed structure prevents dust/water ingress, adapting to humid, dusty industrial sites.
Modular Integration: Standard flange interfaces (CPR) enable quick connection to waveguides, couplers, and amplifiers, reducing system integration time.

Product Applications

Industrial Microwave Heating: Used in food drying, rubber vulcanization, and material processing equipment to tune cavity impedance and optimize heating efficiency.
Test & Measurement: Integrated into RF test benches and anechoic chambers for calibrating network analyzers, amplifiers, and waveguide components.
Communication Systems: Applied in microwave backhaul and satellite ground stations to adjust antenna feed impedance and improve signal transmission stability.
Medical Equipment: Used in microwave ablation and diathermy devices to fine-tune output power and ensure treatment safety.
Aerospace & Defense: Utilized in radar and electronic warfare systems for impedance matching of waveguide circuits and signal reflection control.

OEM Services

Advanced Microwave provides end-to-end customized Industrial Microwave Sliding Short solutions to meet diverse project needs:

Customized Design: Tailor frequency range, waveguide type, stroke length, drive mode, and VSWR performance to match specific system requirements.
Material Customization: Offer titanium alloy (for lightweight aerospace applications) and Hastelloy (for high-temperature/corrosive environments) options.
System Integration Support: Provide electromagnetic simulation (HFSS/CST), performance testing, and on-site installation guidance.
Branding & Packaging: Customize logos, labels, and packaging to align with customer brand standards.

FAQ

What is the maximum power rating of your Industrial Microwave Sliding Short?

Standard models support up to 5 kW (continuous wave) and 20 kW (pulsed wave);high-power customized versions up to 50 kW are available.

Can the sliding short be controlled remotely?

Yes.Electric-driven models support RS485, USB, or Ethernet communication protocols for remote positioning and status monitoring.

Is it compatible with non-standard waveguides?

Absolutely.Provide your waveguide's inner dimensions, flange type, and frequency range, and we will develop a matching sliding short.

How to maintain the sliding short for long-term use?

Regularly clean the sliding rail with anhydrous alcohol and apply a thin layer of dry lubricant;avoid exposure to corrosive gases or excessive mechanical impact.