3000 series
wireless systems
Frequency-agile True Diversity UHF Receiver
ATW-R3100b
Features
• Automatic frequency scanning
• High sensitivity dual IF receiving design for dropout-free
performance
• High-efficiency compander for flawless audio
• Three compatible frequency bands with 996 - 1001 selectable UHF
frequencies per band
• 25 kHz frequency spacing makes it easier to find a clear, open
frequency in crowded RF environments
• Nine pre-coordinated frequency scan groups simplify selection of
usable frequencies in a multi-channel wireless system
• Receiver internal function menu with soft-touch controls
• Digital Tone Lock™ squelch
• Adjustable receiver squelch
• Transmitter battery-life fuel gauge on the front panel
• Operator alert indicators
• True diversity receiver with silent, automatic switching
• AC or 12–18V DC operation
• Rear panel antenna mount options
• Antenna power available for powered antennas & other in-line
RF devices
• Balanced and unbalanced outputs
• Output level control on the rear panel
• Ground lift switch on balanced output
• Receiver mounts in a single rack space (1 or 2 units)
Description
The ATW-R3100b frequency-agile true diversity UHF wireless receiver
sets a new standard for audio and RF performance. With a large
operating range and superb noise specifications, the 3000 Series
provides the audio quality and reliability necessary for the high quality
sound systems of today.
Automatic frequency scanning eliminates the need for searching for clear
channels and automatically selects the most appropriate frequency for
the area in which the wireless is operating. 25 kHz frequency spacing
enables the system to easily find an open frequency in crowded RF
environments, while nine pre-coordinated frequency scan groups simplify
selection of usable frequencies in a multi-channel wireless system. The
flexibility in programming both the receiver and transmitter allows the
customizing ability for this wireless system to meet virtually any
application. Features not often found in other receivers include high-pass
filter, meter hold function, adjustable squelch, selectable power/mute on
transmitters, lock functions for operational safety, and control of input
sensitivity.
Designed to operate from AC or 12–18V DC, the receiver incorporates
rear-panel connections for balanced XLR and unbalanced
1
/
4
" outputs with
adjustable gain along detachable BNC
1
/
4
" wave antennas are also
included. Switchable 12V DC antenna power is available on the BNC-type
connectors for powered antenna accessories. The receiver is half-width
for a standard 1U 19" rack-mount and includes rack-mount adapters.
Architect’s and Engineer’s Specifications
The frequency-agile FM wireless receiver shall be part of a wireless
microphone system operating in the bands of 482.000–507.000 MHz,
541.500–566.375 MHz , or 655.500–680.375 MHz. It shall be capable of
operating on any of 996-1001 PLL-synthesized frequencies per band. The
all-metal receiver shall provide an automatic scanning function to select
appropriate local usable channels for proper wireless system operation.
All configuration functions of the receiver shall be controlled by soft-touch
controls on the receiver front panel. It shall be a True Diversity receiver
with two independent internal receiver sections, automatically selecting
the highest quality signal for the receiver’s output. The system will be
equipped with an advanced Tone Lock™ digital identification system to
ensure that only the desired wireless microphone transmitter allows the
receiver to be un-muted. The receiver shall have an alert LED on the front
panel that indicates transmitter low battery warning, signal loss and input
overload. The receiver shall continuously monitor and display the battery
life indicator of the wireless transmitter, the RF signal strength and the
diversity selection of internal dual tuner sections (A&B). The receiver shall
have a rear panel selector to lift the ground connection from pin 1 of the
XLR-type output connector to prevent ground loops. The receiver shall be
able to be powered by 120V AC 60 Hz or 12–18V DC at 500 mA.
Antennas shall be located on the rear of the receiver and shall incorpo-
rate standard BNC-type connectors to allow them to be detached from
the receiver to facilitate the receiver being used with external antennas
or antenna distribution devices. Switchable 12V DC power shall be
provided on the BNC-type connectors. An accessory bracket should allow
for the antennas to be located at the front of the receiver. The receiver
can be rack-mounted singly or in pairs in a single rack space. The
receiver’s design shall provide totally silent audio output mute when the
wireless transmitter is turned off or signal is lost. The wireless receiver
and the supplied metal rack-mounting brackets shall be industrial black.
The FM wireless receiver shall be an Audio-Technica ATW-R3100b or
equivalent.
