Related Manuals for Lectrosonics UR195
Summary of Contents for Lectrosonics UR195
- Page 1 UR195 COMPACT UHF RECEIVER OPERATING INSTRUCTIONS and troubleshooting guide LECTROSONICS, INC. Rio Rancho, NM...
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Page 2: Table Of Contents
75kHz DEVIATION ......................... 3 NO PRE-EMPHASIS/DE-EMPHASIS ................... 3 EXCEPTIONAL THERMAL STABILITY ................3 GENERAL TECHNICAL DESCRIPTION - UR195 RECEIVER ......4 SIX-POLE HELICAL RESONATOR FRONT-END ............... 4 GaAs FET FRONT-END FILTER COUPLING ..............4 DOUBLE BALANCED DIODE MIXERS ................4 10 POLE LINEAR PHASE FILTER .................. -
Page 3: Introduction To The 195 System
The audio well below that of a conventional compandor. processing is the finest quality system ever developed for wireless microphone systems. The UR195 re-defines the state of the art in 75kHz DEVIATION high end wireless microphone receivers. -
Page 4: General Technical Description - Ur195 Receiver
IF signal do not DOUBLE BALANCED DIODE MIXERS affect the pulse. A double balanced diode mixer is used in the UR195 to produce the 2:1 EXPANDER (Dual–Band Compandor) 10.7 MHz IF signal. The mixer produces output at only the sum and difference signals, with minimal spurious signals. -
Page 5: 2:1 Expander (Dual-Band Compandor)
PWR LED audio output to feed recorders or external audio devices. The When lit, this LED indicates that power is applied to the UR195 and Monitor jack is a mini stereo type with the same signal applied to adequate voltage is present to operate the unit. -
Page 6: Rear Panel Controls And Functions
EXTERNAL POWER JACK RANGE SWITCH The UR195 can be powered from external 12 to 18 Volts DC The range is set by the VAR/FIX range switch (located on the back applied directly to this jack, or conventional 110 VAC sources via panel.) In the VAR position the adjustment range is from –30dBm... -
Page 7: Antenna Use And Placement
You can The UR195 receiver offers a sophisticated front end design which also let the metal surface work for you by aligning the antenna overcomes drop-out problems in almost any imaginable situation. -
Page 8: Operating Instructions
If the output is too low, you may hear steady noise (hiss) along with the audio. The UR195 audio output is designed to drive any audio input device from microphone level to +8dBm line level. -
Page 9: Troubleshooting
If noise is still present when the transmitter is turned off, try lowering the audio output level on the UR195 rear panel and see if the noise lowers correspondingly. If the noise remains, the problem is not in the receiver. -
Page 10: Service And Repair
LECTROSONICS service department is equipped and staffed to quickly repair your equipment. In-warranty repairs are made at no charge in accordance with the terms of the warranty. Out of warranty repairs are charged at a modest flat rate plus parts and shipping. -
Page 11: Specifications And Features
SPECIFICATIONS AND FEATURES Receiver System (UR195 receiver with UM195 transmitter) Operating Frequencies: 470 to 608 MHz, crystal controlled Audio Processor: Dual band compandor with no Receiver Type: Dual conversion, superheterodyne pre-emphasis/de-emphasis Frequency Stability: ±0.002 % Total Harmonic Distortion Front end selectivity: -22 dB at ±4 MHz... -
Page 12: Limited One Year Warranty
This warranty applies only to items returned to us, shipping costs prepaid, within one year from the date of purchase. This warranty gives you specific legal rights. You may have additional legal rights which vary from state to state. LECTROSONICS, INC. 581 LASER ROAD July 6, 1999 RIO RANCHO, NM 87124 USA...
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