Radioddity PAX100 Manuale utente
Radioddity PAX100 User Manual
Warning
1. The PAX100, like all 100-watt solid-state amplifiers, will require a power supply capable
of delivering 20Amps current at 13.8 Volts. If your power supply does not have, at a
minimum, 15Amps current capability, do not use the amplifier until you have a suitable
power source.
2, Before using the PAX100 with your G90 make sure the built-in antenna tuner has been
turned off to avoid damaging the PAX100.
3. The PAX100, like all solid-state amplifiers, requires a resonant antenna on every
frequency you operate on. If the antenna is not resonant, you will need an external
Antenna Tuner. The tuner must be able to deliver SWR to the output of the amplifier of
less than 2.0:1. The lower the SWR, the less chance there is of damaging the amplifier. It
is best to keep the SWR below 1.5:1 to avoid potential damage to the PAX100. It is
recommended not to exceed 2.0:1. When the amplifier is in use the radios internal
antenna tuner will NOT be usable. If the antenna’s SWR is much higher than 1.5:1 the
output performance can suffer. As it approaches the maximum allowable SWR of 2.5:1,
the amplifier can be damaged. NEVER use the PAX100 with an SWR of 2.5:1 or higher,
as the amplifier will be damaged and unusable until repaired.
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 PAX100 amplifier.
5. Output with an open circuit or short circuit is prohibited.
What You Need
To run an external power amplifier, you should have the following items at least:
1. A power supply capable of delivering, at a minimum, 20 Amps; preferably with voltage
and amperage meters built in to monitor amplifier current draw and voltage under load.
2. An external antenna tuner capable of handling, at least, 100 Watts.
3. Crimpers and crimp connectors are necessary for terminals that connect to the power
supply. The crimper and connector must be able to handle 20Amps.
4. An accurate power meter that can read up to 150 watts. It has to be usable from 1.8 to
30MHz.
Operating Guide
1. According to the installation guide, connect the G90 to the PAX100 then to an antenna
Prepare the DC power supply: set the DC voltage to 13.8V output and the maximum
current to 20A.
Note: The power cord ofAPX100 can be directly connected to the power cord of G90. Pay
attention to the positive and negative poles.
2. Power on in the G90 and PAX100 in following order
Turn on the DC power supply then Turn on G90 (the PAX100 will power up automatically)
3. Power setting
①Set the output power of the G90 to 2-10W
②Press the PTT button of G90 to transmit. The PAX100 will automatically amplify the
output power to 80-100W.
Included Items：
Power Cable A with 3 20A
Fuses
Input & Output Feeder (B)
PTT Trigger Cable (C)
Product
Installation Guide (Xiegu G90/X5105)
1. Connect the power cable to the power interface of G90 (supply voltage: 12V-16V,
100W/15.8V; 70W/13.8V, which can reach 100W. The average CW is 95W, the average
SSB is 85W.)
2. Connect to the DC power supply: 13.8V/20A
Note: The power cord of PAX100 can be directly connected to the power cord of G90. Pay
attention to the positive and negative poles.
3. Connect the input & output feeder B. One for connecting G90 to the amplifier, the other
for antenna and the amplifier (supply voltage: 15.8V, 2-10W signal input, 80-100W signal
output)
4. Connect the PTT cable (C) (When the G90 is transmitting, the amplifier will
automatically activate).
Power Test Results
Signal Test
UTC
Mode
Frequency
ID
TX signal
RX signal
Distance
7:11
SSB
14270
BDXXXXX
59+20
59+
1200KM
7:38
CW
14017
R5XXXXX
599
599
5800KM
7:50
CW
14010
UNXXXXX
599
599
3600KM
7:57
CW
14023
BGXXXXX
539
559
1550KM
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 ～16V
Power Supply Current: Standby 0.2A | Transmit 12A
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 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
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