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Lectrosonics DPR - Plug-On Transmitter for Digital Wireless

 
  • Dale #:

    LECT-DPR
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  • This item is not in stock, but we can usually ship it within 10-20 days after your order is placed. Your payment will be charged after completing checkout.

Description

This unique plug-on transmitter design will ideally match any microphone or line level source via a standard XLR connector. The DPR can tune in 100 kHz or 25 kHz steps across the UHF television band from 470.100 to 607.950 MHz, with a selectable output power of 25 or 50 mW. The purely digital arc... Read More

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Description

This unique plug-on transmitter design will ideally match any microphone or line level source via a standard XLR connector. The DPR can tune in 100 kHz or 25 kHz steps across the UHF television band from 470.100 to 607.950 MHz, with a selectable output power of 25 or 50 mW. The purely digital architecture utilizes AES 256-CTR encryption for high level security applications.

The transmitter is specially designed with high efficiency digital circuitry for extended operating time on two AA batteries, with status indicated by a multi-color LED. An IR (infrared) port is included to simplify setup with IR enabled receivers. Updates can be made via SD card.

The input amplifier uses an ultra low noise op-amp for quiet operation. It is gain controlled with a wide range, dual envelope limiter, providing over 30 dB of headroom above full modulation. A 24-bit A-D converter digitizes the audio, then filters out supersonic noise above 21 kHz.

Features:

  • Wideband UHF tuning range – 470-608 MHz (470-614 MHz for E01 version)
  • Accepts microphone or line level signals
  • Selectable 5, 15, 48 volt phantom power
  • Selectable 25/50 mW RF output power
  • Adjustable low frequency roll-off
  • Powered by two AA batteries
  • IR (infrared) port for fast setup
  • Remote controlled "dweedle" tones (audio tone set-up control)
  • Time code jam sync with 
  • Solid machined aluminum housing
  • On board recording
  • Encryption 256 Bit AES, CTR Mode

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Product Specs

Transmitter
Operating Frequencies US: 470.100 - 607.950 MHz
E01: 470.100 -614.375 MHz
Frequency Selection Steps 25 kHz
RF Power output Selectable 25/50 mW
Frequency stability ± 0.002%
Digital modulation 8PSK
Spurious radiation US: Compliant with ETSI EN 300 422-1 v1.4.2
E01: Compliant with ETSI EN 300 422-1 v2.1.2
Equivalent input noise –125 dBV (A-weighted)
Input level Nominal 2 mV to 300 mV, before limiting
Greater than 1V maximum, with limiting
Input impedance 1K Ohm
Input limiter Dual envelope type; 30 dB range
Gain control range 55 dB in 1 dB steps; digital control
Modulation indicators Dual bi-color LEDs indicate modulation of -20, -10, 0, +10 dB referenced to full modulation
LCD bar graph
Encryption AES 256-CTR (per FIPS 197 and FIPS 140-2)
Audio Performance
Frequency Response 25 Hz to 20 kHz, (+0, -3dB)
Low frequency Roll-off Adjustable for -3dB @ 25, 35, 50, 70, 100, 120 and 150 Hz
Input Dynamic Range 110 dB (A), before limiting
125 dB (with full Tx limiting)
Controls / Indicators • LCD w/membrane switches
• LED audio level indicators
Audio Input Jack Standard 3-pin XLR (female)
Phantom Power 5V @ 18 mA max., 15V @ 15 mA max. and 48 V @ 4 mA max., plus OFF
IR (infrared) port For quick setup by transferring settings from an IR enabled receiver
Antenna Housing and attached microphone form the antenna.
Battery Two 1.5 Volt AA (lithium recommended)
Battery Life AA Lithium, 48v phantom power engaged:
• SCHOEPS CMIT 5U: 7h 25m
• SCHOEPS CMC6-U/MK41: 7h 20m
• SANKEN CS-1: 8h 0m
Weight 7.8 ozs. (221 grams)
Dimensions 4.21” L [excluding antenna: DPR-A] x 1.62” W x 1.38” H
(106.9 L x 41.1W x 35.0 H mm)
Emission Designator 170KG1E
Recorder
Storage media microSDHC memory card (HC Type)
File format .wav files (BWF)
A/D converter 24-bit
Sampling rate 48 kHz
Recording modes/Bit rate HD mono: 24 bit - 144 kb/s
Input Analog mic/line level compatible; servo bias preamp for 2V and 4V lavaliere microphones
Input level • Dynamic mic: 0.5 mV to 50 mV
• Electret mic: Nominal 2 mV to 300 mV
• Line level: 17 mV to 1.7 V
Timecode
Connector 3.5 mm TRS
Signal voltage 0.5 Vp-p to 5 Vp-p
Input impedance 10 k Ohms
Accuracy <1 PPM with TCXO
Format SMPTE 12M - 1999 compliant
Audio Performance
Frequency response 25 Hz to 20 kHz; +0.5/-1.5 dB
Dynamic range 110 dB (A), before limiting
125 dB (with full Tx limiting)
Distortion < 0.035%
Operating temperature range Celsius: -20 to 50
Fahrenheit: -5 to 122

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