Specifications and features – Lectrosonics UCR511 User Manual

Page 24

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UCR511

Operating Frequencies (MHz):

SPECIFICATIONS AND FEATURES

Block 525: 525.000 - 550.500

Block 21: 537.600 - 563.100
Block 22: 563.200 - 588.700
Block 23: 588.800 - 614.300

Block 24: 614.400 - 639.900
Block 25: 640.000 - 665.500
Block 26: 665.600 - 691.100
Block 27: 691.200 - 716.700
Block 28: 716.800 - 742.300
Block 29: 742.400 - 767.900
Block 30: 768.000 - 793.500
Block 31: 793.600 - 805.600
Block 32: 819.200 - 844.700
Block 31: 844.800 - 862.000

Frequency Adj. Range:

25.5 MHz in 100kHz steps

Receiver Type:

Triple conversion, superheterodyne, 244
MHz, 10.7 MHz and 300 kHz

Frequency Stability:

±0.001 %

Front end bandwidth:

±5.5 MHz @ -3 dB

Sensitivity

20 dB Sinad:

0.9 uV (-108 dBm), A weighted

60 dB Quieting:

1.12 uV (-105 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:

60 kHz

Image & spurious rejection:85 dB

Third order intercept:

+8 dBm

Diversity method:

Phased antenna combining SmartDiversity

TM

FM Detector:

Digital Pulse Counting Detector operating at
300 kHz

Antenna inputs:

Dual BNC female, 50 Ohm impedance

Audio outputs

Rear Panel XLR:

Adjustable from -50 dBu to +5 dBu
in 1 dB steps. Calibrated into a typical 10 k
Ohm balanced load.
Can drive 600 Ohm load.

Front Panel Controls and Indicators:

LCD control panel

Main window:

Pilot tone; antenna phase, receiver battery
level; transmitter battery status; audio level,
RF level

Freq. window:

Frequency, TV channel Transmitter switch
setting

Audio output level

adjustment:

-50 dBu to +5 dBu

Batt. level tracking: Receiver and transmitter (9 V batt.) in 1/10th

volt steps, accuracy +/- 0.2 V.

Transmitter (AA battery) x.xxV format,
accuracy +/- 0.05 V.

Timer option available when
transmitter battery is set to NiMH.

Scanning mode:

Coarse and fine modes for RF spectrum site
scanning

Audio test tone:

1 kHz, -50 dBu to +5 dBu output, less than
1% THD

Transmitter battery type selection:

9 V alkaline, 9V lithium, AA alkaline,
AA lithium, NiMH

Phase invert:

Audio output phase normal or inverted

SmartNR

(noise reduction):

OFF, NORMAL, FULL modes
(available in 500 Series mode only)

Audio Performance (overall system):

(These specs apply to 500 Series mode only.)

Frequency Response:

32 Hz to 20 kHz (+/- 1dB)

THD:

0.2% (typical)

SNR at receiver output (dB):

SmartNR

No Limiting W/ Limiting

OFF

102.0

106.5

NORMAL

105.0

109.5

FULL

106.0

110.5

(Note: the dual envelope “soft” limiter provides exceptionally good handling
of transients using variable attack and release time constants. The gradual
onset of limiting in the design begins below full modulation, which reduces
the measured figure for

SNR without limiting

by 4.5 dB)

Input Dynamic Range:

125 dB (with full Tx limiting)

Rear Panel Controls and features:

XLR audio output jack; External DC
input; Battery compartment access

Power Options:

Ext DC:

Minimum 10 Volts to maximum 18
VDC; 1.6 W, 180 mA at 12 VDC

Int Batt:

9 Volt alkaline or lithium
(165 mA @ 9 V, 240 mA @ 6 V)

Battery Life:

9V alkaline

6 to 8 hours continuous, up to 12
hours intermittent

9V lithium

Up to 20 hours (continuous and
intermittent usage are the same)

Weight:

14 oz. with batteries

Dimensions:

3.23" wide x 1.25" high x 4.64" deep

Specifications subject to change without notice

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