AM MW RADIO BAND DIGITAL LCD DDS TRANSMITTER 25 WATT PEP

Description

High quality Built & Tested AM DDS Transmitter Board
2X16 LCD with back lighting and blue colour
Frequency : 520 KHZ – 2000 KHZ
Digitally Controlled
Pout : 25 Watt PEP
Class AB amplifier stages
Output : 50 Ohm
Modulation Type:
Amplitude Modulation (AM)
Step Size 1 - 9 - 10 - 100 KHZ
PIC Microcontroller on Board
2 X 16 character LCD display
Rotary Encoder
Adjust trimmers for Modulation and RF Power Level on board
Display frequency on LCD
Display Audio Modulation on the 2nd line of the LCD
Display Temperature on LCD
Protection for Temperature
Change frequency and Step with Rotary Encoder
Voltage operation  15V and 48V
You can change the frequency between 520 and 2000 KHZ.
You can adjust the RF Power from 0 - 25 Watt PEP with the trimmer on the PCB.
There is one audio input with a maximum voltage of 1 Volts for 100% modulation.
Harmonics filter <45 dBc   (If Frequency  > 1400 KHZ).
You must use a fan to cool the output transistor.
ELECTRICAL SPECIFICATIONS
Characteristics
Min
Typ.
Max
Unit
Frequency
520
2000
KHZ
Output Power
0
25
Watt  PEP
Power Supply
15  & 48
V
Audio  Frequency Response
50
15000
Hz
Specifications
Tuning Design: DDS Technology
Easily choose your frequency with Rotary Encoder
Easily choose your Step with Rotary Encoder
Frequency Range (Broadcast): 520 to 2000 KHZ
RF Output Impedance: 50 Ohm
RF Output Power: 0 to 25 Watt PEP Adjustable
Harmonics Filter <45 dBc (If Frequency >1400 KHZ)
Frequency Step: 1 - 9 - 10 - 100 KHZ
Modulation Type: Amplitude Modulation (AM)
Maximum
Modulation Level: 100%
Audio Frequency Response
: 5
0 Hz to 15 KHZ
Audio Input Sensitivity: 1 V for 100% Modulation
Indicators: Audio Level - Temperature
Protection for Temperature
Modulation: 100%
Power Supply: 15V and 48V
PCB Size: 100mm(L) * 100mm(W)
Payment details
We
accept
PayPal
only!
Import duties, taxes and charges
are not included in the item price or our shipping charges. These charges are the buyer’s responsibility.
Shipping policy
We ship worldwide with international flat rate shipping.
We ship our items via Registered Air Mail.
A tracking number will be provided within 24 hours of the product being shipped.
Delivery time depends on destination and other factors.