FM Broadcast Transmitter

Model Number

BF- 3KS : 3000 watt,BF- 5KS : 5000 watt

• BF- 3KS : 3000 watt
  
• BF- 5KS : 5000 watt

All Solid State Design

• MOS-FETS power AMP

Synthesized PLL exciter

• Power variable
• 10KHz Frequency Step

C.P.U Control Circuit

Multi-Power Module Combine

• 3KW : 1KW x 4 Modules
  
• 5KW : 1KW x 6 Modules

Perfected Circuit Protector

• Open and Short RF Load
  
• Over Load
  
• Over Voltage
  
• Over Temp and Fire, Smoke

Soft Start Power Supply

Remote Control Service

• Analog, Status, Control
  
• MIMIC Control Panel (Option)
  
• Programable Controller (RS-232C)

Genral

• 1. Output Impedance : 50ohm
  
• 2. Frequency Range : 87MHz to 109MHz
  
• 3. Frequency Stability : ±300Hz ( -10°C ∼ +50°C )
  
• 4. Type of Modulation : Direct Carrier FM
  
• 5. Mpdulation Capability : ±310KHz
  
• 6. RF Harmonic and Spurious : Less than -70dB
  
• 7. AM Signal to Noise : Less than -53dB
  
• 8. Modulation Indication : Peak Reading, Color Coded LED Display and over Modulation Indicator
  
• 9. Temperature Range : -10°C to +50°C
  
• 10. Humidity : 0 ∼ 90%
  
• 11. Power Input : 220V. AC 1∮ 60Hz
  
• 12. Cabinet size : 600(W) x 900(D) x 1900(H)
  

Monaural Operation

• 1. Audio Input Impedance : 600ohm Balanced
  
• 2. Audio Input level : -10 ∼ +10dBm ±2dBm for 75KHz Deviation
  
• 3. Audio Frequency Response : ±0.5dB ( at 30Hz ∼ 15KHz 25.50 or 75 Microsecond Preemphasis )
  
• 4. Harmonic Distortion : Less than 0.05% ( at 30Hz ∼ 15KHz )
  
• 5. Intermodulation distortion : Less than 0.03% ( 60Hz / 7KHz 4:1 Ratio )
  
• 6. FM Signal to Noise : 75dB Below ± 75 KHz Deviation (at 30Hz ∼ 15KHz, Band Width with 75 Microsecond Deemphasis )
  

Wideband composite Operation

• 1. Composite Input : Unbalance (1), and Balance (1)
  
• 2. Composite Input Impedance : 10 Kohm Nominal
  
• 3. Composite Imput Level : 3.5V P-P Nominal ( at ±75KHz Deviation )
  
• 4. FM Signal to Noise : 75dB Below ±75KHz Deviation ( with a 30Hz to 100KHz Bandwidth 75 Microsecond Deemphasis )
  
• 5. Harmonic Distortion : Less than 0.05%
  
• 6. Intermodulation Distortion : than 0.03%
  
• 7. Amplitude Response : ±0.1dB ( at 30Hz ∼ 100KHz )
  
• 8. Stereo Separation : Less than -45dB ( at 30Hz to 15KHz )
  
• 9. SCA Input : Unbalance (1), and Balance (1)
  
• 10. SCA Input Impedance : 100 Kohm Nominal
  
• 11. SCA Input Leve : 3.5V P-P Nominal ( at ± 7.5KHz Deviation )
  
• 12. SCA Amplitude Response : ±0.5dB ( at 40KHz ∼ 100KHz )
  

SCA Operation

• 1. SCA Input : Unbalance (1), and Balance (1)
  
• 2. SCA Input Impedance : 100Kohm Nominal
  
• 3. SCA Input Level : 3.5V P-P Nominal( at ± 7.5KHz Deviation )
  
• 4. SCA Amplyude : ±0.5dB ( at 40KHz ~ 100KHz )