--- type: product schema_version: 1 stock_number: "47314-2" canonical_url: "https://www.artisantg.com/47314-2/K-L-Microwave-8LB30-6-3-U4-O-O" json_url: "https://www.artisantg.com/47314-2/K-L-Microwave-8LB30-6-3-U4-O-O.json" generated_at: "2026-11-07T16:50:34.658Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # MPG / K&L Microwave 8LB30-6.3/U4-O/O Lumped Component Filter _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: K&L Microwave - Model: 8LB30-6.3/U4-O/O - Condition: Used and in Excellent Condition - Price: $140.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Test Equipment > Electrical Test > Signal Conditioning (primary) ## Details ** Configuration:** - Number of Sections: 8 - Series: L-Lumped - B-Bandpass - Package Designator: Style 3 (30 Series Package) - Center Frequency: 6.3 MHz - Supplemental Codes: One dB Bandwidth - Bandwidth: 4 MHz - Input Connector: SMA Female - Output Connector: SMA Female ## Overview High-performance lumped component bandpass filter operating within a frequency range of approximately 6.3 GHz, designed for signal conditioning in RF systems. Features precision filtering capabilities with steep roll-off characteristics and minimal insertion loss. Implements a highpass-lowpass topology with 8 reactive elements for optimal passband flatness and stopband rejection. Constructed with high-Q components in a ruggedized housing for environmental stability. Interfaces via industry-standard RF connectors, typically SMA or N-type. Primarily used in military communications, radar systems, wireless infrastructure, and test equipment applications requiring precise signal selectivity and interference mitigation. ## Function Lumped component bandpass filter operating at 6.3 GHz center frequency with selective frequency transmission characteristics, designed to pass signals within a specified bandwidth while attenuating frequencies outside this range. Utilized in RF/microwave systems for signal conditioning, interference rejection, and channel selection. Features high Q passive components (inductors, capacitors) arranged in a precise topology to achieve desired frequency response with minimal insertion loss. Suitable for communications equipment, radar systems, test instrumentation, and military applications requiring reliable signal filtering in confined spaces. ## Application Provides precise frequency selectivity and signal conditioning in RF and microwave systems operating from DC to several GHz. Typically employed in communication transceivers, test equipment, and instrumentation to attenuate unwanted harmonics, suppress spurious emissions, and isolate desired signal bands. Essential for EMI/EMC compliance, mixer filtering, oscillator cleanup, and preventing intermodulation distortion in multi-channel systems. Used in military radar, satellite communication, cellular infrastructure, and laboratory measurement setups where compact size and consistent performance across temperature variations are critical requirements. ## Interface RF input/output via SMA female connectors, 50 ohm impedance, threaded coupling mechanism. DC power not required for passive filter operation. No control interfaces. Hermetically sealed enclosure with mounting holes for chassis integration. Operating temperature range typically -55°C to +85°C. U4 option indicates custom electrical specification modification from standard 8LB30-6.3 design parameters. ## Images - - - -