Lectrosonics UCR401 Compact Receiver

Features

• Digital Hybrid Wireless™
• SmartSquelch™ for noiseless muting
• SmartDiversity™ for enhanced RF reception
• 256 selectable UHF frequencies
• DSP-based pilot tone squelch
• LCD display with spectrum scanner
• Balanced XLR audio output
• Two AA batteries or DC power
• Compatiblity with analog transmitters

Operating Frequencies

• Block 21: 537.600 - 563.100
• Block 22: 563.200 - 588.700
• Block 23: 588.800 - 607.900, 614.100 - 614.300
• Block 24: 614.400 - 639.900
• Block 25: 640.000 - 665.500
• Block 26: 665.600 - 691.100   

Specifications

• Frequency Adjustment Range: 25.5 MHz in 100 kHz steps
• Channel Separation: 100 kHz
• Receiver Type: Triple conversion, superheterodyne,244 MHz, 10.7 MHz and 300 kHz
• Frequency Stability: ±0.001 %
• Front end bandwidth: 30 MHz @ -3 dB
• Sensitivity: 20 dB Sinad: 1 uV (-107 dBm), Aweighted; 60 dB Quieting: 1.5 uV (-104 dBm), A weighted
• Squelch quieting: Greater than 100 dB
• AM rejection: Greater than 60 dB, 2 uV to 1 Volt(Undetectable after processing)
• Modulation acceptance: 85 kHz
• Image and spurious rejection: 85 dB
• Third order intercept: 0 dBm
• Diversity method: Phased antenna combining -SmartDiversity™
• FM Detector: Digital Pulse Counting Detectoroperating at 300 kHz
• Antenna inputs: Two, fixed whip
• Audio outputs Rear Panel XLR adjustable from -50 dButo +5 dBu in 1 dB steps. Calibrated into a typical 10 k Ohm balanced load. Candrive 600 Ohm load.
• LCD control panel: Main window: Pilot tone; antennaphase, receiver battery level; transmitter battery status; audio level, RFlevel; Frequency window: Frequency, TV channel; Transmitter switch setting;Audio output level adjustment: -50 dBu to +5 dBu; Battery level tracking: 0.1Vsteps, accuracy +/- 0.2V, Timer option available for NiMH batteries
• Scanning mode: Coarse and fine modes for RF spectrumsite scanning
• Audio test tone: 1 kHz, -50 dBu to +5 dBu output in 1dB steps; less than 1% THD
• Transmitter battery type selection: 9 V alkaline, 9 Vlithium, AA alkaline, AA lithium, TIMER
• Phase invert: Audio output phase normal or inverted
• Smart NR (noise reduction): OFF, NORMAL, FULL modes(avail in 400 Series mode only)
• Audio Performance (overall system): (These specsapply to 400 Series mode only.)
• Frequency Response (Typ.): 32 Hz to 20 kHz (+/- 1 dB)System frequency response varies depending on transmitter used
• THD: 0.2% (typical)
• SNR at Receiver Output (dB): SmartNR OFF: 103.5 NoLimiting, 108.0 w/Limiting; SmartNR NORMAL: 107.0 No Limiting, 111.5w/Limiting; SmartNR FULL: 108.5 No Limiting, 113.0 w/Limiting
• Input Dynamic Range: 125 dB (with full Tx limiting)
• Rear Panel Controls and features: XLR balanced audiooutput jack; External DC input; Battery compartment acces.
• Power Options: Ext DC: Minimum 6 Volts to maximum 18Volts DC; 1 W consumption, 80 mA at 12 VDC; Int Batt: Two AA 1.5 Voltalkaline, lithium or NiMH
• Battery Life (typical): AA alkaline: 4 hourscontinuous, up to 10 hours intermittent; AA lithium: Up to 11 hours(continuous and intermittent); AA NiMH: (2500 mAH) 7.5 hours per chargetypical (continuous and intermittent)
• Weight: 13 oz with batteries
• Dimensions: 2.83" wide, 1.25" high, 4.64" deep

Quick Start Guide

Technical Data Sheet

Manual

Tech Note:
Finding Clear Frequencies

Frequency Chart:
Switch Setting, Frequency Charts
& TV Channels