RTX 18 FM

The High quality RTX 18 FM receiver has been specifically designed to meet the requirements of radio broadcast repeaters. With an additional standard FM transmitter it is possible to retransmit a received radio fm program in another channel. The wide frequency modulated band includes RDS and SCA (with optional stereo encoder). In many cases the receiver is used in broadcast studios for a correct monitoring of the transmitted MPX signal.

• Frequency range: 87.5÷108 Mhz
• Synthesis step: 100/10 kHz
• Modulation: FM, 75 kHz peak deviation 180kF3 / 256kF3 (mono/st.)
• RF input connector: N
• RF input impedance: 50 ohm
• Noise Figure: 10 dB
• Image frequency suppression:60 dB 70 typ.
• Dynamic selectivity:>+10dB typ @ dF=300 kHz
•      >+35dB typ @ dF=400 kHz
•      >+45dB typ @ dF=500 kHz
•      >+50dB typ @ dF=1.0 MHz
• AM suppression: >45 dB
• Usable input level: -87÷ +10dBm (10mV÷700mV)
• Sensitivity: Sin=-87dBm (10mV) mono
• (S/N=60dB) Sin=-67dBm (100mV) stereo
• IF monitor output: 10.7 MHz / 0dBm
• Audio/MPX output level: -1.5 ÷  +12 dBm,0.5dB/step
• Audio freq. response: 20 Hz ÷ 15 kHz ±0.1dB
• Mpx freq. response: 15 Hz ÷ 67 kHz +0.1/-0.5dB
• S/N ratio (30÷20000 Hz. rms): 77 dB 82 typ. mono
•                                                 73 dB 75 typ. stereo
• Modulation distortion @ 1kHz/100%
• Dev.: mono 0.1% 0.03% typ.- stereo, 1ch 0.30% 0.20% typ.
• Stereo crosstalk (100÷ 12000 Hz): <-45dB -50 typ.
• MPX, monitor and IF output connectors: BNC
• De-emphasis time constant: 0/25/50/75µs ±2%
• Mains supply: 115 / 230 Vac +10% -25%  50/60 Hz 20 VA
• D.c. supply: 20 ÷ 40 V £500 mA @ 24 V
• Operating temperature range: 0÷35 °C recomm. -10÷45 °C max
• Dimensions without handles: 19" 2 un.std.Rack 483 x 88 x 334 mm