Radioddity PAX100 RF Power Portable DIY Amplifier 100W For Xiegu G90 X5105 X108G

Description

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Radioddity PAX100 RF Power Portable DIY Amplifier 100W For Xiegu G90 X5105 X108G
Description
Radioddity PAX100 is a mini RF power amplifier DIY kit using MOSFETS and is specially designed for Xiegu G90 and X5105 radios. It can achieve 100W power output with an input power under 10W. The design is extremely compact and light-weight. Nothing like it is available in its power vs. size rating.
Must Know
1. A power supply capable of delivering 20 Amps current at 13.8 Volts is required.
2. When using PAX100, please
turn off the built-in antenna tuner of G90
, otherwise PAX100 will be damaged. (External tuner is allowed to use.)
3. The PAX100 requires a resonant antenna on every frequency it can operate on. If the antenna is not resonant,
you will need an external Antenna Tuner
. The tuner must be able to present an SWR to the output of the amplifier of less than 2.0:1. The lower the SWR is, the less chance of damage to the amplifier. Anything above 1.5: should be used with caution. The final transistors specifications recommend not exceeding 2.0:1. The internal tuner of the radio will not be useful then the amplifier is in use. If the SWR of the antenna in use is much higher than 1.5:1, after sustained operation, the amplifier may be damaged. At 2.5:1 or higher, the amplifier will be damaged and unusable until repaired.
If needed, the final transistors are available from general parts suppliers and are low-cost.
4. The input power (from the G90) to the amplifier should never exceed 10 Watts; even on SSB peaks. Driving the amplifier with an output from the G90 higher 10 watts will result in damage to the amplifier.
5. Amplifier’s gain is large on 160 meters. Please reduce drive to 5 watts on 160 meters.
6. Output with an open circuit or short circuit is prohibited.
What's New?
• Upgraded red PCB board & protective case
• Upgraded fuse box for the power cord
• Better soldering design
Up to 100W Power Output
This amp is capable of up to 100W output on 20 meters and below. 70 watts is typical in the higher bands. The amplifier connects to the G90 or X5105 to perform RX/TX switching. It uses two inexpensive 55-watt IRF 350’s as the final amplifier devices.
Specially Built for Xiegu G90 & X5105
Radioddity PAX100 is specially designed for Xiegu G90 & Xiegu X5105. It covers the 3 MHz～30MHz frequency range and modes including A1A (CW), J3E (SSB), A3E (AM), F3E (FM), F7M (C4FM), F1B (FSK).
Solid Material & Accessories
The PCB uses a double-layer immersion gold finish providing long and stable operational life. It comes with an XT60 power supply connector which can easily handle its max current draw. Any type of power connector can be mated to it. Since it uses gold-plated SMA connectors, it comes with input and output adapter cables to male and female PL-259/PL-239 connectors. We also provide the PTT trigger cable. It can be used with ours and many other QRP radios.
Heat Dissipation Details
The amp uses a large aluminum heat sink. The whole PCB secures directly to this heat sink. High-conductivity interface materials are used to dissipate maximum heat and provide stable operation. A cooling fan is installed on one side of the heat-sink with 2 cooling modes. It is a low-noise model that provides excellent CFM.
Plug and Play
Different from other amplifier kits, Radioddity PAX100 comes with a PTT Trigger Cable connecting to the G90/X5105. Simply press the PTT key of G90/x5105 to transmit and PAX100 will automatically amplify the output power to 80-100W without any other operation.
Portable & Non-slip Design
It’s dimensions are (4.33 x 1.97 x 1.57 in). This DYI power amplifier kit only weighs 0.5lb. It is surprisingly small and has 4 non-skid pads on the bottom of the heat-sink. A beautiful clear poly-carbonate top mounts above the circuit board to protect it.
Specifications:
Frequency Range: 3 MHz～30MHz
Supported Modes: A1A (CW), J3E (SSB), A3E (AM), F3E (FM), F7M (C4FM), F1B (FSK)
Power Supply Voltage: DC 12V ～ 18V
Power Supply Current: Standby 0.2A | Transmit 12A maximum
Input SWR: <2.0: 1
Input / Output Impedance: 50 ohms (± 10%)
Through Loss: less than 0.5dB
Power Gain: greater than 15dB (± 2dB)
Maximum Input Power: 10W
Maximum Output Power: Input 5W, frequency <21MHz, power supply 15V = 100W
Input 5W, frequency> 21MHz, power supply 15V = 70W
Low-pass Filter: Built-in 10, 15 and 17 meter band filters
Low-pass Filter Frequency: 33MHz (-6dB)
Harmonic Output: greater than -50db (even order), greater than -30dB (odd order)
Spurious Output Suppression: greater than 40dB
Input / Output Connector: SMA-K
Working Temperature: 0-50 ℃
Storage Temperature: -20-70 ℃
Storage Humidity: less than 55%
PTT Trigger Level: + VCC-2V (low trigger), GND + 5V (high trigger)
PTT Trigger Current: 2Ma
Product Size: 110 x 50 x 40mm | 4.33 x 1.97 x 1.57in
Product Weight: 230g | 0.51lb
Warning:
1. Transmitting with an open circuit or short circuit will damage the amplifier.
2. Antenna standing wave ratio of under 2.5 to 1 is required
3. Maximum power input is 10 watts
Note:
1. This amplifier does not have an antenna tuner.
2. Hardwired connection for PTT is required for functioning.
Installation Guidance
What's in the box?
1 x Radioddity PAX100
1 x Power Cable
1 x SMA to PL-259 adapter cable
1 x SMA to SQ-239 adapter cable (female)
1 x G90/X5105 PTT Trigger Cable
1 x Installation Guide
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