Fixed Filters / Fasta Filter
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Standard Fixed Filter Selection Guide*
| FILTER TYPE | BW | FREQ. RANGE | |
| TUBULAR LOWPASS | |||
| Series | Lumped element, 1/2" | ---- | 60MHz-100MHZ-2.75GHz |
| TLP | dia., low cost, small size | ||
| Series TLA | Lumped element, 3/4" dia., medium loss, size, power | ---- | 40MHz-50MHZ-1.5GHz |
| Series TLC | Lumped element, 1 1/4" dia., low loss, high power | ---- | 20MHz-30MHZ-1GHz |
| TUBULAR BANDPASS | |||
| Series TBP | Lumped element, 1/2" dia., low cost, most popular | 2-70% 1.5-70% |
50MHz-100MHZ-2.4GHz-2.7GHz |
| Series TBA | Lumped element, 3/4" dia., medium loss, size, power | 2-70% 1.5-70% |
30MHz-50MHZ-1GHz-1.6GHz |
| Series TBC | Lumped element, 1 1/4" dia., low loss, high power | 2-70% 1.5-70% |
20MHz-30MHZ-900MHz-1.5GHz |
| HIGHPASS | |||
| Series THP | Distributed element, small size, low loss | ---- | 40MHz-100MHZ-800MHz-1.5GHz |
| CAVITY BANDPASS | |||
| Series TSF | Lowest loss Helical Resonator | 1-3% 0.2-3.5% |
20MHz-30MHZ-400MHz-600MHz |
| Series TCF | 1/4 wavelength, coaxial, modular slotted box construction | 1-3% 0.2-3.5% |
300MHz-400MHz-3.0GHz-4.0GHz |
| Series TCC | 1/4 wavelength, coaxial, lowest loss, re-entrant cavity | 1-3% 0.2-3.5% |
200MHz-500MHz-2.5GHz |
| Series TCA | 1/4 wavelength, coaxial, ideal size vs. performance parameters | 1-3% 0.2-3.5% |
800MHz-1.0GHz-3.0GHz-4.0GHz |
| Series TCG | 1/4 wavelength, coaxial, highest frequency, re-entrant cavity | 1-3% 0.2-3.5% |
1.0GHz-2.0GHz-6.0GHz |
| Series TCH | TM-010 mode, extremely narrow band | 1-3% 0.2-3.5% |
5.0GHz-10.0GHz-12.0GHz |
| Series TCB | Adjustable 1/4 wavelength, coaxial, up to 10% tuning range | 1-3% 0.2-3.5% |
1.0GHz-2.4GHz-3.0GHz |
| INTERDIGITAL BANDPASS | |||
| Series TIF | Stripline, air dielectric | Stripline, air dielectric 3-30% 3-50% |
1.0GHz-6.0GHz-9.0GHz |
| COMBLINE BANDPASS | |||
| Series TSJ | Miniature combline filters utilizing air dielectric | 1-15% | 1.4GHz-10.0GHz-12.0GHz |
| MINIATURE BANDPASS | |||
| Series TSA | Smallest available helical filter, P.C.B. mounting available | 1-15% 1-20% |
100MHz-200MHz-600MHz-1.0GHz |
| Series TSC | Intermediate size helical filter, P.C.B. mounting available | 2-20% 1-20% |
30MHz-40MHz-500MHz-600MHz |
| *Grey type denotes areas of special extended capabilities. | |||
RF Microwave Fixed Filters
A well known and respected manufacturer of RF and Microwave Filters for over 30 years, our various design packages cover a range of 20 MHz to 12 GHz and include Tubular, Lumped and Distributed Element, Cavity, Interdigital, Combline and Miniature filter types.
Tubular Filters
Telonic Tubulars are Lowpass and Bandpass Filters of 0.1 db Chebyschev
design and are available with from 2 to 12 sections to meet your selectivity
needs.
Three different sizes and frequency ranges allow for the selection of
an optimal design for each requirement.
Almost any type of input or output connection is available as a standard
item.
Photos left to right:
- SERIES TBP
- SERIES TBA
- SERIES TBC
High Pass
Telonic Highpass Filters are typically of 0.1 db Chebyschev design distributed
element, and are available with 2-10 sections and practically any available
connector. Special designs are available on request.
Cavity Bandpass Filters
Telonic Cavity Bandpass Filters exhibit lower losses and narrower bandwidths than Telonic Tubular Filters, as well as higher frequency ranges. For extremely high stability over the operating temperature range, most Cavity Filters can be temperature compensated. Where the normal attenuation characteristic is not appropriate, traps, or "band-reject sections" may be added for special applications.
These filters utilize helical resonators, coaxial resonators or resonant cavities. Resonant elements are subject to higher frequency spurious responses which can usually be suppressed with a Telonic Lowpass filter, if required.
Photos left to right:
- SERIES TSF
- SERIES TCF
- SERIES TCC
Interdigital Bandpass Filters
Telonic Interdigital Bandpass Filters fill the need for moderate and wide bandwidth filters in the 1.0 to 6.0 GHz spectrum. The standard unit is available with a many as 17 sections, to meet extreme selectivity requirements.
These 0.1 db Chebyschev filters exhibit almost exact duplication of the
mathematical model their skirts or stop bands are geometrically symmetrical.
Combline Bandpass Filters
The Telonic Series TSJ Miniature Combline Bandpass Filters are designed for compact size and provide the lowest possible pass band insertion loss consistent with their size. They offer wide stop band rejection extending up to 28 GHz, and 3 db bandwidths varying from1 to 15%. Because these filters are extremely small and light weight, they are well suited for use in aircraft, missile, and satellite transceivers and receivers.