Описание:
Super Miniature Wireless Microphone Transmitter (Freq Block 23)
Frequency Block 23
Digital Hybrid Wireless Technology
Variable, Selectable Power Output
Membrane-Switch Controls w/ LCD Display
256 Synthesized UHF Frequencies
Wide Input Dynamic Range
DSP-Based Pilot-Tone Signal
Circulator/Isolator Output Stage
Splash-Proof, Machined Aluminum Housing
Non-Corrosive, Damage-Resistant Finish
Operating Frequency 588.800 - 607.900, 614.100 - 614.300 MHz
Frequency Range 256 frequencies in 100 kHz steps for one 25.5 MHz wide block
Channel Spacing 100 kHz
Frequency Selection Control panel mounted membrane switches
RF Power Output Switchable; 50, 100 or 250 mW
Compatibility Modes Digital Hybrid Wireless® (400 Series), 200 Series, 100 Series, Mode 3 , Mode 6, IFB
Pilot Tone 25 to 32 kHz; 5 kHz deviation (in 400 Series Mode)
Frequency Stability ± 0.002%
Deviation ± 75 kHz max. (in 400 Series Mode)
Spurious Emission 60 dB below carrier
Equivalent Input Noise -125 dBV, A-weighted
Input Level
If set for dynamic mic: 0.5 mV to 50 mV before limiting; greater than 1 V with limiting
If set for electret lavaliere mic: 1.7 uA to 170 uA before limiting; greater than 5000 uA (5 mA) with limiting
Line level input: 17 mV to 1.7 V before limiting; greater than 50 V with limiting
Input Impedance
Dynamic mic: 300 Ohms
Electret lavaliere: input is virtual ground with servo adjusted constant current bias
Line level: 2.7 k Ohms
Limiter DSP Controlled Soft limiter, 30 dB range
Bias Voltage(s) Fixed 5 V at up to 5 mA; selectable 2 V or 4 V servo bias for any electret lavaliere
Low Frequency Roll-Off Adjustable from 35 to 150 Hz
Audio Frequency Response 35 Hz to 20 kHz, +/-1 dB
Signal to Noise Ratio SmartNR Off:
No Limiting: 103.5 dB
Limiting: 108 dB
Total Harmonic Distortion 0.2% typical (400 Series mode)
Battery Life 50 mW:
Alkaline: 2 hrs
Lithium: 7.25 hrs
Dimensions58 x 46 x 16 mm not including microphone/lanyard
Weight 75.9 g with lithium battery