Photo DC9DZ
Data of Tsunami RF Linear Amplifier
RF linear amplifier covers all amateur bands from 1.8 MHz to 29.7 MHz
3 Power supply transformers10000 VA , 1200 VA & 1 VA
Plate voltage at full output power 6500 V
Screen voltage, stabilized 1000 V
Grid voltage, regulated – 245 V +/- 20 V
Filament 7.5 V / 75 A
Input SWR in the middle of band
160 m – 30 m 1 : 1.25
20 m 1 : 1.35
15 m 1 : 1.45
12 m – 10 m 1 : 1.65
Gain (1.8 – 29.7 MHz) 20 – 21.6 dB
Neutralization 1.8 – 29.7 MHz: 45 – 50 dB
Isolation between input and output
Photo DC9DZ
Output with:
5 W Input: 0.75 KW
10 W Input: 1.5 KW
20 W Input: 2.9 KW
30 W Input: 4.4 KW
40 W Input: 5.8 KW
50 W Input: 7.3 KW
60 W Input: 8.7 KW
70 W Input: 10.1 KW
80 W Input: 11.6 KW
90 W Input: 13.1 KW
100 W Input: 14.6 KW
Input: SSB Signal: 33% of full 1 KHz Modulation on / off Ratio 1:2, Interruptions: 20 Hz
Equipment:
R&S 20 KW Dummy Load
Bird Power Meter
Measurements
on 7.1 MHz
Photo DC9DZ
Harmonic output: 50 dB below rated output
Intermodulation distortion: 35 dB or better
Tube: Eimac 4CX10000D
Input network:
1:9 Transformation, 450 Ohm, 500 W HF Resistor, Tube Input Reactance Compensation & Neutralization for each band, 11 pol. bandswitch, two levels
Output network:
Roller inductor 20 uH & 2 motorized vacuum capacitors 500 pF / 15 KV and 2.5 nF / 5 KV
Metering: Display of all parameters – no switching
Computer control of all switching functions: No relays switching under power conditions
Soft start inrush, 10 sec delay time for full power
Turbine blower with 2 speeds
Well regulated screen and grid supply for +ve and -ve currents as well as current limiting to protect the tube and minimize the IMD. It’s impossible to override the screen and grid dissipation at any working conditions
The finish is of high quality black eloxial aluminia
Dimension: 575w x 310h x 585d mm
Weight: 132 Kg
Accessory (for Icom-Transceivers): Module for optimized tuning (1 KHz; on / off: 1:2, 20 Hz)
Price: Very low: About 1.7 ?/W (1.7 ?/W x 14.6 KW = 24.8 K?)
Photo DC9DZ