TZT LPF-100 1.8-30MHz Shortwave Low Pass Filter LPF Assembled For Shortwave Power Amplifiers Radios
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Specifications
- Brand Name
- TZT
- Origin
- Mainland China
- High-concerned chemical
- None
- Model Number
- LPF-100 1.8-30MHz
- Certification
- None
- S
- 67389
- Input power
- 100W CW, 200W SSB
- Filter structure
- elliptic filter
- Power supply voltage
- 12V-16V
- Working current
- 100mA
Product Description
TZT LPF-100 1.8-30MHz Shortwave Low Pass Filter LPF Assembled For Shortwave Power Amplifiers Radios
Description:
The low-pass filter is mainly used to suppress the harmonics of transmitters, and it also works on receivers.
Specifications:
- Frequency range: 10 meters, 15 meters, 20 meters, 40 meters, 80 meters, 5 bands
- Input power: 100W CW, 200W SSB
- Filter structure: elliptic filter
- Filter order: 7th order
- Harmonic suppression: >30dB
- Input and output connectors: SMA-K
- Power supply voltage: 12V-16V
- Working current: 100mA
- Control mode: 4 interlock buttons, 1 reset button
- Size: 150 x 50 x 20mm (LxWxH)
- Weight: 190g
Package Included:
- 1 x Set of Low Pass Filter
Note: It is assembled and ready to use.
Description:
The low-pass filter is mainly used to suppress the harmonics of transmitters, and it also works on receivers.
Specifications:
- Frequency range: 10 meters, 15 meters, 20 meters, 40 meters, 80 meters, 5 bands
- Input power: 100W CW, 200W SSB
- Filter structure: elliptic filter
- Filter order: 7th order
- Harmonic suppression: >30dB
- Input and output connectors: SMA-K
- Power supply voltage: 12V-16V
- Working current: 100mA
- Control mode: 4 interlock buttons, 1 reset button
- Size: 150 x 50 x 20mm (LxWxH)
- Weight: 190g
Package Included:
- 1 x Set of Low Pass Filter
Note: It is assembled and ready to use.
Pros & Cons
Pros
- Effectively suppresses transmitter harmonics to improve radio signal clarity and regulatory compliance
- Covers a wide 1.8-30MHz shortwave frequency range for versatile use
- Pre-assembled unit requiring no additional soldering or setup before use
- Supports both CW and SSB operating modes with adjusted rated power limits
Cons
- No specific material details are provided for internal components, making durability hard to confirm
- Requires a separate 12V-16V DC power supply which is not included with the filter
- No official certification listed beyond 'none', which may not meet regional radio regulations
- No physical dimensions or weight listed, making it hard to confirm fit for existing equipment setups
Common Questions
What filter structure and frequency range does this LPF-100 use?
It uses an elliptic filter structure and operates across a 1.8-30MHz shortwave frequency range as specified.
What devices is this low pass filter compatible with?
It is designed for use with shortwave power amplifiers and shortwave radios.
What is the primary function of this filter?
Its main purpose is to suppress transmitter harmonics, and it can also be used with receivers to reduce unwanted signal interference.
What power requirements does this filter have?
It operates on a 12V-16V DC power supply, with a working current of 100mA, and rated power of 100W CW / 200W SSB.
Where is this filter manufactured and shipped from?
This filter is made and ships from Mainland China per the product specifications.
Product information last updated on January 5, 2026