11-9
11.10 TRANSMITTER RECEIVER UNIT
(NTG-3225)
(1) Dimensions : Width 460 x Depth 227 x Height 461 (mm)
(2) Structure : Wall Mount, Drip Proof
(3) Mass : Approx. 15kg
(4) Transmitting Frequency : 9410±30MHz
(5) Transmitting Power : 25kW peak
(6) Transmitting Tube : Magnetron [M1568BS]
(7) TX Pulse width/
Repetition Frequency : SP1: 0.07uS/2250Hz, MP1: 0.2uS/2250Hz,
MP2: 0.3uS/1900Hz, MP3: 0.4uS/1400Hz,
LP1: 0.8uS/750Hz, LP2: 1.0uS/650Hz,
LP3: 1.2uS/510Hz
0.125, 0.25, 0.5nm: SP1
0.75nm: SP1/MP1
1.5nm: SP1/MP1/MP2/MP3
3nm: MP1/MP2/MP3/LP1
6nm: MP1/MP2/MP3/LP1/LP2
12nm: MP1/MP2/MP3/LP1/LP2
24nm: MP3/LP1/LP2
48nm: LP2
96nm: LP3
(8) Modulator : Solid State Modulator Circuit
(9) Duplexer : Circulator + Diode Limiter
(10) Front end Module : Built-in
(11) Intermediate Frequency Amplifier
: Intermediate Frequency: 60MHz
Band Width: 25/8/3MHz
Gain: more than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(12) Overall Noise Figure : 7.5dB (Typical)
(13) Tuning : Manual/AUTO
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