Galaxy DX 2547 - Transceiver Specifications; 1.0 General Specifications; 1.1 Transmitter Specifications; 1.2 Receiver Specifications

- 2 -
DX 2547 SPECIFICATIONS
1.0 GENERAL
Model DX 2547
Frequency Range 26.965 – 27.405 MHz
Emission Modes AM/USB/LSB
Frequency Control Phase Lock Loop (PLL) synthesizer
Frequency Tolerance 0.005 %
Frequency Stability 0.001 %
Operating Temperature Range
-30°C to +50°C
Microphone Dynamic PTT, 500 Ω
Input Voltage (DC/AC Selectable) 13.8V DC / 110V AC 60Hz
Current Drain: Transmit (AM full mod.) < 3.5A
Current Drain : Receiver (Squelched)
≤ 0.5A
(Max. audio output) < 1A
Antenna Connector UHF; SO239
1.1 TRANSMITTER
RF Power Output AM : 4W ; SSB : 12W PEP
RF Transmit Modes AM/SSB
Modulation High and Low level Class B, Amplitude Modulation :
AM and SSB.
Spurious Emissions - 60dB
Carrier Suppression - 60dB
Audio Frequency Response 300 to 2500 Hz
Antenna Impedance 50 Ohms
Output Indicators Meter shows relative signal strength, RF output
power, SWR and AM Modulation level. Transmit
LED glows red when transmitter is in operation.
1.2 RECEIVER
Sensitivity For 10dB S/N (AM/ SSB)
< 0.5µV / < 0.15µV
IF Frequency AM: 10.695 MHz 1st IF, 455 KHz 2nd IF
Image Rejection - 50dB
Adjacent Channel Selectivity - 60dB
RF Gain Control 45dB adjustable for optimum signal reception
Automatic Gain Control (AGC) Figure Of Merit 100mV for 10dB Change in Audio Output
Squelch
Adjustable; threshold less than 0.5µV
Noise Blanker RF type
Audio Output Power 2.5W @ 10% THD
Audio Frequency Response 300 to 2500 Hz
Built-in Speaker 8 Ohms, 4 Watts
External Speaker (Not Supplied) 8 Ohms, 4 Watts
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
DX 2547
CHAPTER 2
OPERATION