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Lectrosonics DCHT - Camera Hop Digital Wireless Transmitter

 
  • Dale #:

    LECT-DCHT
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Description

The DCHT portable digital stereo transmitter is designed for use in film and TV production as both a wireless audio link from a bag or cart system to cameras and as a portable IFB transmitter paired with the Duet digital wireless M2R receiver packs. The DCHT accepts two channels of mic or line le... Read More

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Description

The DCHT portable digital stereo transmitter is designed for use in film and TV production as both a wireless audio link from a bag or cart system to cameras and as a portable IFB transmitter paired with the Duet digital wireless M2R receiver packs. The DCHT accepts two channels of mic or line level analog signals or an AES digital signal from a mixer and transmits to the receiver or receivers in a purely digital format. The digital architecture of the new DCHT is a third-generation design with specially developed, high-efficiency circuitry for extended operating time on two AA batteries.

The DCHT can tune across the available UHF TV band from 470.00 to 607.950 MHz in 100 kHz or 25 kHz steps, offering more than 6000 frequencies. The RF output can be set to 10, 25 or 50 mW, thus providing flexibility in terms of operating range for the intended application. The digital architecture allows for AES256-CTR encryption for applications where content security is a concern.

Features:

  • Tunes across entire UHF frequency range
  • 256-bit encryption - AES 256-CTR
  • Selectable RF power at 10, 25 and 50 mW
  • AES and analog mic and line level inputs
  • USB port for firmware updates
  • Wide range input gain adjustment
  • Compatible with Duet M2R receiver
  • DSP-controlled input limiter
  • Two AA battery power
  • Solid machined aluminum housing
  • Optional powering from external DC

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Product Specs

Operating Frequencies 470.100 - 607.950 MHz
Frequency Selection Steps 25 kHz
RF Power Output Selectable; 10, 25 or 50 mW
Frequency Stability ± 0.002%
Spurious Radiation Compliant ETSI EN 300 422-1 v1.4.2
Digital Modulation 8PSK
Equivalent Input Noise -128 dBV
Types AES and analog
Analog Input Level ¥ Mic: nominal 2 mV to 300 mV, before limiting; greater than 1V maximum, with limiting
¥ Line: +24 dBu before limiting
Input Impedance ¥ Mic: 300 or 4.5 k ohm; selectable
¥ Line: greater than 100 k ohm
Input Limiter Dual envelope type; 30 dB range
Gain Control Range 51 dB in 1 dB steps; digital control
Modulation Indicators ¥ Bicolor LED indicates modulation of -20 and 0 dB referenced to full modulation
¥ LCD bar graph
Compatibility Modes ¥ DCH (Digital Camera Hop)
¥ Duet (IEM)
Frequency Response 15 Hz Ð 11.3 kHz, +0, -3 dB
Controls ¥ Top panel toggle switch; programmable as power, mute or none (off) function
¥ Side panel membrane switches with LCD interface for power on/off and all setup and configuration controls
Audio Input Jack Switchcraft 6-pin locking (TA6F)
Antenna Galvanized steel, flexible wire, SMA connector
Battery Two AA Duracell Quantum recommended
Battery Life 5 hours; Duracell Quantum alkaline
Weight 5.75 ozs. (163 grams); w/ belt clip and lithium AA batteries
6.40 ozs. (181 grams); w/ belt clip and Duracell Quantum AA batteries
6.5 ounces (184.272 grams), including two AA batteries and wire belt clip
Overall dimensions 3.45 x 2.44 x .742 in. (88 x 62 x 19 mm)
Emission Designator 200KG1E

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