Precision 455kHz Ceramic IF Filter for Superior Signal Selectivity
This is a genuine Motorola 455kHz six-element ceramic filter used in various Motorola radio receivers and transceivers. This surface-mount intermediate frequency (IF) filter is a critical component in the radio's receiver chain, providing precise bandwidth filtering and adjacent channel rejection at the 455kHz IF stage. The six-element design delivers sharp selectivity characteristics that separate desired signals from unwanted interference, ensuring clear reception. Housed in a compact white ceramic package with four solder pads for PCB mounting, this filter represents precision RF engineering essential for high-performance communications equipment.
Key Features
- Genuine Motorola 455kHz ceramic IF filter
- Six-element design for superior selectivity and steep skirt characteristics
- Surface-mount package for modern PCB assembly
- Precise center frequency of 455kHz with tight tolerance
- Excellent adjacent channel rejection for clear signal reception
- Compact ceramic construction with integrated shielding
- Factory-tuned and tested for consistent performance
Compatible Models
- Various Motorola receivers and transceivers utilizing 455kHz IF architecture (consult service manual for specific model compatibility)
What's Included
- One (1) 455kHz 6-Element Ceramic Filter
Application & Installation
This ceramic IF filter is a precision RF component that requires professional installation by a qualified radio technician with appropriate soldering equipment and skills. The filter is a surface-mount device that must be carefully soldered to the radio's circuit board, typically in the receiver's intermediate frequency chain between mixer and detector stages. Replacement is necessary when the filter becomes damaged, develops internal cracks from physical shock, or exhibits electrical failure resulting in poor receiver sensitivity, reduced selectivity, or distorted audio. Symptoms of filter failure include inability to reject adjacent channels, poor weak-signal reception, broadband noise, or complete loss of receiver function. Installation requires precision surface-mount soldering techniques with proper temperature control to avoid thermal damage to the ceramic element. After installation, receiver alignment may be necessary to optimize performance, requiring RF signal generators, spectrum analyzers, and service documentation. This component is critical to receiver performance, and proper installation ensures the radio achieves its design specifications for sensitivity and selectivity.
Manufacturer Part Number: 9115811H01
Filter Type: 6-Element Ceramic
Center Frequency: 455kHz
