User's Manual

19
1.2 TECHNICAL CHARACTERISTICS
RF SECTION
Frequency Range / Step 87.5 - 108MHz / 10-50-100kHz (from front panel)
87.0 - 108MHz for China, other bands on request
Reference Stability ±2.5ppm (0° - 50°C)
Nominal Output Power 30W, 300W
Power Level 0-100% (from front panel)
Output Impedance / Connector 50Ω / N Female
RF Monitor Level / Connector -40dBc ±3dB / BNC (*)
Off lock Attenuation > 60dB
Asynchronous AM S/N ratio > 65dB
Synchronous AM S/N ratio > 60dB
Spurious and Harmonic supp. Meets or exceeds all FCC and CCIR requirements
Modulation Capability Meets or exceeds all FCC and CCIR requirements
MPX OPERATION
Audio Input Impedance 10kΩ
Audio Input Connector BNC
Audio Input Level 2.2Vpp nominal, +6dB/-12dB adjustable from rear panel
Frequency Amplitude Response ±0.2dB 30Hz-100kHz
Harmonic Distortion <0.1% 30Hz-100kHz (<0.05% 30Hz-53kHz)
S/N Ratio with CCIR unweighted 73dB
S/N Ratio with CCIR weighted 73dB
MONO OPERATION
Audio Input Impedance Balanced 600Ω / 10kΩ (jumper)
Audio Input Connector XLR
Audio Input Level 2.2Vpp nominal, +6dB/-12dB adjustable from rear panel
Frequency Amplitude Response ±0.5dB 30Hz-15kHz
Harmonic Distortion <0.05% 30Hz-15kHz
Pre-emphasis Flat, 50µs, 75µs (ON/OFF from display, 50/75 from jumper)
S/N Ratio with CCIR unw. filter 73dB
S/N Ratio with CCIR weig. filter 73dB
INTERNAL CODER OPERATION (OPT023 Stereo Coder Option)
Audio Input Impedance Balanced 600Ω / 10kΩ (jumper)
Audio Input Connector XLR
Audio Input Level 2.2Vpp nominal, +6dB/-12dB adjustable from rear panel
MPX Output Conn. / Impedance BNC / 50Ω
MPX Output Level 5.6Vpp
Frequency Amplitude Response ±0.5dB 30Hz-15kHz
Harmonic Distortion <0.05% 30Hz-15kHz
Pre-emphasis Flat, 50µs, 75µs (ON/OFF from display, 50/75 from jumper)
Stereo separation > 50dB (typ. 60dB) 30Hz-15kHz
S/N Ratio with CCIR unw.filter 70dB
S/N Ratio with CCIR weig. filter 70dB