CERAMIC FILTER PRODUCTS
3H Ceramic Filter Products offer high Q, low insertion loss while minimizing size. 3H can design for combline or Multi-Mode ceramic loaded cavity filters. 3H ceramic filters can also be designed for high power applications. Our ceramic filters can be connectorized or SMT with tape and reel packaging. Sizes as low as <0.08ht available with tape and reel packaging or trays for automated assembly. Available in RoHS and NON-RoHS packages.
3H Ceramic Filter Products are Specified as Follows:
- Frequency Range: 200 MHz to 6000 MHz
- Type: BPF, BRF
- Bandwidths: 1.0 to 10% (available in 0.5, 1.0, 3.0 dB Bandwidths)
- Chebyshev Response (other responses are available)
- Power up to 50 Watts CW
- Available with Connectors and SMT
- Low profile packages start at <0.08 ht.
- Available with High Power options
- Mil-Std-202 Conditions
Please contact us for more information.
3H High Power Ceramic Notch Filter
3Hs new VHF, high power, ceramic notch filter offers low passband insertion loss with
>50 dB rejection in the notch band while maintaining a 30- watt avg power handling.
All in a 4.0 x 2.5 x 1.0 package.
3H High Power Ceramic Notch Filters are Specified as Follows:
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Fc: VHF Band
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Passband Insertion Loss: <1.35 dB
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Rejection: >50 dB
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Power Handling: 30 Watts CW
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Size: 4.0 x 2.5 x 1.0
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Meets Mil-Std-202
3H offers a complete line of ceramic filters from 40 MHz to 10 GHz with. Our ceramic filter products can be designed to handle High Power applications in the smallest possible package. Low power leadless surface mount options available.
Please contact us for more information.
Lumped Component FILTER PRODUCTS
3H Lumped Component Filter Products are designed to meet the smallest possible size while maintaining electrical specifications of larger filters on the market today. 3H Communications Systems offers filters with a height starting at <0.08 available with tape and reel packaging or trays for automated assembly. Available in RoHS and NON-RoHS packages.
Lumped Component Filter Products are Specified as Follows:
- Frequency Range: From 5 MHz to 10 GHz
- Type: BPF, LPF, HPF, and BRF
- Bandwidths: 3.0 to 150% (available in 0.5, 1.0, 3.0 dB bandwidths)
- Chebyshev Response (other responses are available).
- Available with Connectors and SMT.
- Low profile packages start at <0.08 ht.
- Available with High Power options.
- Mil-Std-202 Conditions.
Please contact us for more information.
Cavity FILTER PRODUCTS
3H cavity filters are designed for ease of assembly and long-term use under the most difficult environments. Our cavity filters are designed with high Q and low insertion loss with high out of band rejection in the smallest possible size. 3H Cavity Filters are available with High Power and Low PIM options. Available in connectorized or SMT packages.
3H Cavity Filter Products are Specified as Follows:
- Frequency Range: 10 MHz to 50 GHz.
- Bandwidths: 0.2 to 100% (available in 0.5, 1.0, 3.0 dB or equal-ripple bandwidths).
- Generalized Chebyshev Response with cross couplings. Other responses available, i.e. group delay equalization.
- Available with Connectors and SMT.
- Available with High Power Options, up to 30 kW PEP.
- Mil-Std-202 Conditions.
- Designs can be optimized for IM performance.
Please contact us for more information.
Printed FILTER PRODUCTS
3H Printed filter products are designed for high performance, low loss, high frequency up to 30 GHz. 3H printed filters are optimal for high frequency switched filter banks when size, insertion loss and power are critical.
3H Printed Filter Products are Specified as Follows:
- Frequency Range: 5.0 GHz to 30.0 GHz
- Type: BPF, LPF, HPF, BRF, & Multiplexer options
- Bandwidths: 1.0 to 60% (available in 0.5, 1.0, 3.0 dB & Custom Bandwidths)
- Chebyshev Response
- Available with Connectors and SMT
- Low profile packages start at <0.065 ht.
- Mil-Std-202 Conditions
Please contact us for more information.
Switched FILTER Banks
Switched Filter Products & Multi-Function Assemblies are designed using priority assembly and switching methods for optimal performance.
3H SFB?s & Multi-function Assemblies can be specified up to 25 watts without the use of mechanical switches. 3H designs the most economical Switch Filter Banks in connectorized or surface mount applications. Our SFBs are designed and manufactured in accordance to the customers electrical and environmental requirements whether for military or commercial application. At 3H, we utilize our Micro , Nano & Printed filter technology to offer the smallest possible size for our SFBs and Multi-Function-Assemblies.
3H Switched Filter Banks & MFA?s Products are Specified as Follows:
- Frequency Range: 40 MHz to 18.0 GHz
- Number of Channels: 2 to 8
- Insertion Loss: 1.5 to 5.0 dB
- VSWR: 1.3:1 to 2.0:1 Typical
- Switching Speed: 50 ns to 8 micro Sec
- Input Power: Up to 25 watts
- Power Supply: + 5, – 5, -12 or -15 volts
- Available with Connectors and SMT
- Low profile packages start at <0.065 ht.
- Mil-Std-202 Conditions
Please contact us for more information.
Low PIM, High Power Filter Products
3H Low PIM, High Power Filter Products: 3H is a leader in the development of high power, low Passive Inter-modulation (PIM) products including filters, duplexers, multiplexers, combiners for in-building wireless and outdoor use. Our low PIM products can be found on communication satellites, stadiums, transportation systems, and many other communication systems. 3H utilizes custom software allowing 3H to design high power products in the smallest packages. The reduced package size allow our customer a cost-effective solution.
Distributed Antenna System (DAS) allows additional wireless coverage without the cost of expensive infrastructure, 3H Communication Systems offers a complete line of catalog and custom filter products for today’s growing DAS infrastructure.
3H Communication Systems offers a complete line of low Passive Inter-modulation filters for the DAS market including the following bands:
- 5G
- Bluetooth
- LTE Bands
- First Responders
- Transportation
- Point to Point Radio
- Public Safety
- Satellite Communication
- AWS
- GSM
- PCS
- WCS
- SMR
- UMTS
- WiFi
3H Low PIM Filter Products are Specified as Follows:
- Frequency Bands: DC to 6.0 GHz
- Low PIM: As low as 175 dBc (two, 40 watt tones)
- Power Handling: 1500 CW, as high as 30 Kw Peak, Avg
- Multiplexed: Up to 5 channel
- Application: In or Out-Door Wireless infrastructure
- Custom packages available
- Connectors: Customer Specified including 4.3-10 availability
Other custom PIM products are available; please contact us for more information.
The high degree of engineering and technical capability focused on innovation with decades of expertise for low cost and high quality RF products allows 3H to offer premium microwave and RF filter products and solutions at discounted prices. 3H understands that highest quality is achieved when quality is designed in and potential problems are designed out.?3H works with customers to achieve optimal solutions for both performance and price.?Highest achievable quality does not have to be expensive.