Amphony 1040 User Manual
y
2.4 GHz Digital Audio Receiver/ Amplifier Model 1040
Product Specification
R
Features
· 40 W Output Power
· 94 dB Dynamic Range
· Avoids quality losses due to audio
compression
· 128 times digital interpolation filter stage and
analog filter stage
· Range of up to 300 ft (line of sight)
· Avoids reception errors by employing
½ rate forward error correction
· Mute Function
· No switch-on/ switch-off plops
· Short-circuit Safe Output
· Built-In Voltage Step-Up Converter
· Only one supply voltage required
· Power-Down Feature
General Description
The Model 1040 receiver/ amplifier will receive
a digital audio signal that is being transmitted in
the 2.4 GHz range by either the Model 1000 or
Model 2000 transmitter. The recovered audio
signal will pass a digital as well as an analog
filter stage to eliminate out-of-band components
and is amplified to the maximum output power
of 40 W to drive a speaker unit.
By receiving the signal in a digital format, noise
and quality losses that are inherent with
conventional analog systems are avoided.
The Model 1040 receiver/ amplifier will apply
forward error correction to the received signal in
order to maximize reception robustness.
A built-in voltage step-up converter will lift the
internal voltage to approximately twice the
supply voltage when a larger output swing is
required.
Applications
· Wireless home theater systems
· Wireless hi-fi stereo speaker systems
The Model 1040 receiver/ amplifier will enter a
Power-Down Mode if no valid signal is received.
It will return to active mode when a valid signal
is detected.
ã 2000 Amphon
January2000 1
y
2.4 GHz Digital Audio Receiver/ Amplifier Model 1040
Reference Data
PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
OVERALL PERFORMANCE
Dynamic range A-weighted 89 94 dB
R
Output power
THD = 10%, 8 W
THD = 0.5%, 8 W
40 W
30 W
Non-repetitive peak output current 6 A
Repetitive peak output current 4 A
PO=1W 0.05 %Total harmonic distortion
P
=10W 0.1 %
O
Low frequency roll-off 40 Hz
High frequency roll-off -1 dB 20 kHz
Noise output voltage
RS= 0, Note 1 100 300
=10kW,Note1
R
S
150
mV
mV
Supply voltage ripple rejection 48 55 dB
Reception range
line of sight,
200 ft
Note 2
through obstructions,
60 ft
Note 2
line of sight,
100 m
Note 3
through obstructions,
30 m
Note 3
DC POWER CHARACTERISTICS
DC supply voltage 8 15 18 V
Power consumption
Peak output power 4 A
Quiescent current 280 mA
Power-down mode 165 mA
Notes:
1) Noise output voltage measured in a bandwidth of 20 Hz to 20 kHz
2) When used in conjunction with the Model 1000 or Model 2000 transmitter, American model
3) When used in conjunction with the Model 1000 or Model 2000 transmitter, European model
ã 2000 Amphon
January2000 2
Loading...