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