Multi-Function Assemblies

K&L Microwave offers a variety of Multi-Function Assemblies (MFA) products to satisfy a broad range offiltering applications. Many applications require frequency pre-selection at the front end of thecommunication or test and measurement system. Tunable Bandpass and Bandreject filters provide the bestsolution for pre-tuning the desired signals while rejecting the interfering signals. The method of tuning can beeither mechanical via a tuning knob mounted on the front of the filter, or electro-mechanical via anoptional remote digital interface such as GPIB, RS-232, RS-422 or BCD. Tunable filters can be offered to coverfrequencies as low as 200KHz, or as high as STAT GHz. K&L Microwave offers Tunable Filters from stock, whichcover many popular frequencies for applications such as military communications and many popularwireless bands. Depending on the specific application, the tuning ranges can exceed an octave.For many customer specific applications, K&L Microwave offers the ability to configure filters into anintegrated product assembly. These MFA products range from electromechanically tuned diplexers and multicouplers to frequency agile filters and switched filter banks. Although many integrated products areengineered to order, many of the designs are derivatives of existing products, thus allowing the development cycle time to be kept to a minimum. MFA products provide the customer with the freedom toallow K&L Microwave to offer a turnkey solution to their more complex filtering requirements.

With this product base, K&L offers filter solutions for applications ranging from automated test labs to morecomplicated applications such as point-to-point communication and broadband signal analysis.

Integrated Products

Features:

  • Integrated Assemblies Designed for Customer Specific Applications
  • Systems Available Include Multichannel Switched Filter Banks, Tunable Filter Assemblies, Amplifier Assemblies and Tunable Multicoupler Assemblies
  • Digital Control Options Include TTL, BDC, RS-232, RS-422 and GPIB.
  • Designs Based on Standard Products Integrated into Complex Assemblies
  • Offers Turn-key Solutions to Advanced Filtering Requirements

Wireless Solutions - Cellular/PCS/UMTS Tunable Bandreject Filters

Available Remote Interfaces Include GPIB (IEEE-488, RS-232, RS-422, and BCD)

Features:

  • Super Narrow 3 dB BW
  • Digitally Controlled
  • Available Remote Interfaces Include GPIB (IEEE-488, RS-232, RS-422, and BCD)
  • Drive Voltages Include 12 VDC, 24 VDC, and 110 VAC
  • Manually Controlled Versions also Available

Applications:

  • Designed specifically for automated testing required in: Cellular, PCS and UMTS applications

VHF Tunable Bandpass

VHF Tunable Bandpass

K&L Microwave autotunedbandpass filters are high "Q"devices covering the VHF frequency band 100 to 164 MHz.When configured with a VHF Transceiver, these devicesprovide filtering solutions for field applications whereco-location interference must be eliminated. Each filter istuned by a remote BCD interface output from thetransceiver.

UHF Tunable Bandpass

UHF Tunable Bandpass

K&L Microwave autotunedbandpass filters are high "Q"devices covering the UHF frequency band 225 to 400 MHz.When configured with a UHF Transceiver, these devicesprovide filtering solutions for field applications whereco-location interference must be eliminated. Each filter istuned by a remote BCD interface output from thetransceiver.

Test & Measurement - Digitally Controlled Tunable Filters

Test & Measurement - Digitally Controlled Tunable Filters

GPIB (IEE-488) Standard Remote Interface, RS-232, RS-422, and BCD also Available.

Features:

  • Digital Control Allows Complete Automated Operation Via Remote Interfaces.
  • GPIB (IEE-488) Standard Remote Interface, RS-232, RS-422, and BCD also Available.
  • 24 VDC Standard Drive Voltage, 12 VDC, and 110 VAC also Available
  • Contact Factory for Custom Tuning Ranges and Configurations.

Applications:

  • ATE Labs
  • Wireless Communications
  • Military Communications

3-Channel Switched Filter Bank

3-Channel Switched Filter Bank

The 3SFB-1100/2100-0/0 is a 3 channel switchedfilter 

The 3SFB-1100/2100-0/0 is a 3 channel switchedfilter bank with channels centered at 1100, 1900 and 2100 MHz. The unit is TTL controlled andfeatures low insertion loss and amplitude matching.

This unit is modular constructed to allow varioustypes of filtering in the same package configuration.

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