Lectrosonics SRB Camera Slot UHF Receiver 640.000-665.500 MHz

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Lectrosonics SRB Camera Slot UHF Receiver 640.000-665.500 MHz
Operating Frequency 640.000 - 665.500 MHz
Dual Receiver Design
Dual Channel Smart Diversity Reception
Single Channel Ratio Diversity Reception
LCD with RF Spectrum Scanner
Smart Squelch for Noiseless Muting
Automatic Power State Restoration
DSP-Based Pilot Tone Squelch
Rear Panel and Front Panel Audio Outputs
Supports Transmitter Talkback Feature

Specifications

Operating Frequencies : 640.000 - 665.500 MHz
Frequency Adjustment Range : 25.5 MHz (in 100 kHz steps)
Channel Separation : 100 kHz
Receiver Type : Dual conversion (superheterodyne)

IF Frequency :
Channel 1 - 248.450 MHz and 350.000 kHz
Channel 2 - 243.950 MHz and 250.000 kHz

Frequency Stability : +/-0.001%
Bandwidth : 26 MHz at -3 dB (front end bandwidth)

Sensitivity :
20 dB SINAD: 1.0 uV (-107 dBm) A weighted
60 dB Quieting: 2.2 uV (-100 dBm) A weighted

Squelch Quieting : >100 dB (typical)
AM Rejection : >60 dB (4 uV to 1 V)
Modulation Acceptance : 85 kHz
Image & Spurious Rejection : 85 dB
Third Order Intercept : 0 dBm
Diversity Method : SmartDiversity phased antenna combining or Ratio Diversity using both receivers for a single audio channel
FM Detector : Digital Pulse Counting Detector operating at 250 and 350 kHz
RF Spectrum Analyzer : Coarse and fine scanning modes for RF spectrum site survey
Antenna Inputs : 50 ohms (SMA female connectors)

Audio Outputs :
Interchangeable D connector adapters for camera slot interfaces
Dual TA3 male (mini XLR) balanced output adapter
Balanced output adapter with fixed cables

Front Panel Audio Output : Front panel TA5M with two balanced outputs
Audio Output Level : Adjustable -50 to +5 dBu in 1 dB steps (unbalanced output is 6 dB lower)
Audio Channel Crosstalk : -80 dB or better

Front Panel Controls and Indicators :
Sealed panel with membrane switches
LCD monitors pilot tone
Antenna phase
Receiver battery level
Transmitter battery status
Audio level
RF level

Audio Test Tone : 1 kHz (+/-5 dBu balanced output); 1% THD

Transmitter Battery Type Selection :
9V alkaline
9V lithium
AA alkaline
AA lithium
NiMH

Phase Invert : Audio output phase normal or inverted
SmartNR (Noise Reduction) : Off, Normal and Full modes (Available in Digital Hybrid mode only)

Audio Performance (Overall System) :
Frequency Response - 32 Hz to 20 kHz (+/-1 dB)
THD (System) - 0.3% typical in Digital Hybrid mode
THD (400 Series Mode) - 0.2% typical
Signal-to-Noise Ratio - 95 dB or better (overall system, Digital Hybrid mode)
Input Dynamic Range - 95 dB (with full Tx limiting)

Rear Panel Controls :
XLR audio output jack
External DC input
Battery compartment access

Power : DC 6 - 18V (1.4W)

Current Consumption :
90 mA at 18 VDC
120 mA at 12 VDC
195 mA at 7.2 VDC
210 mA at 6 VDC

Runtime with SRBATTSLED Adapter : 7.2V (2200 mA) "L" style battery will typically provide about 11 hours of operation
Battery Level Indicator : LCD display with "bottle" icon and timer readout
Operating Temperature : -20 to 50oC (-4 to 122oF)
Dimensions : 68 x 18 x 89 mm (2.7 x 0.7 x 3.5 in)
Weight : 195gr (6.9 oz) with SRaEXT adapter

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