| Place of Origin: | China |
| Brand Name: | Topwave |
| Model Number: | TPW-HF-1317-SMAF |
| Certification: | ISO9001, ROHS, CE |
The Helical filter is named because the spiral resonant is used to achieve the parallel resonance circuit in the coupled resonator filter. The main feature of the spiral filter is that the volume is small, the insertion is small, and the relatively narrowing bandwidth can be achieved.
Topwave model TPW-HF-1317-SMAF, it is low frequency range 136-174MHz helical RF Filter with SMA type connectors. The VHF Filter, whose size is small with low insertion loss, mainly used for wireless telecommunication systems like Bi-directional Amplifier, Wireless intercom repeater.
| Model No. | TPW-HF-1317-SMAF |
| Tunable Frequency Range(MHz) | 136-174MHz |
| Bandwidth(MHz) | 38MHz |
| Insertion Loss(dB) | ≤2.0 |
| Out of Band [email protected] | ≥20dB |
| VSWR | ≤1.35 |
| Power Rating(W) | 30W(max) |
| Impedance | 50 ohm |
| Connector | SMA Female |
| Color | Black |
| Operating Temperature(℃) | -20~+50°C |
| Relative Humidity | 5%-95% |
| Weight(kg) | 0.50(approx) |
ROHS & CE Compliance
Guaranteed Parameters
Low Frequency Band Covering 136-174MHz
Low Insertion Loss & Low VSWR
Available with Type N, 7/16DIN or 4.3/10 Connectors
Widely for Bi-directional Amplifier system(BDA)
Well Installed in In-building
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Tel: +86-13818555291
E-mail: [email protected]
Sales Representive Office: 1568 Century Avenue, Pudong New Area(200120), Shanghai.
Manufacture Factory: Building C1# Liheng Industry Park, Hefei(230061), China.
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