Specifications, Overall system, Udr700 digital receiver – Lectrosonics UT700 User Manual
Page 30: Um700 digital transmitter, Ut700 digital transmitter
UDR700 / UM700 / UT700
Specifications
Overall System
Latency:
2.5 ms
Operating principle:
Proprietary digital modulation with encryption
Modulation type:
Modified pi/4 DQPSK
Sample rate:
44.1 ksps
Audio coder:
Proprietary sub-band ADPCM
Encryption key length:
128 bit (300 trillion trillion trillion keys)
Bit rate:
220,500 bps including packet overhead
Operating frequencies:
Block 22
563.200 - 588.700
(depending upon local regulations)
Block 23
588.800 - 607.900 and
614.100 - 614.300
Block 24
614.400 - 639.900
Block 25
640.000 - 665.500
Frequency selection:
256 frequencies in 100 kHz steps
Frequency Adjustment Range:
25.5 MHz
System Specifications
Audio frequency response:
40 Hz to 20 kHz, +/- 1dB
(with UM700 transmitter)
Audio dynamic range:
>100 dB before limiting
Audio Distortion:
0.05% THD + noise at 1 kHz
UDR700 Digital Receiver
Receiver Type:
Double conversion, superheterodyne,
244 MHz and 10.7 MHz
Frequency Stability:
+/- 0.002%
Front end selectivity:
>22 dB at +/- 4 MHz
Sensitivity:
5 uV for 100 dB S/N ratio
Squelch quieting:
> 125 dB
Image/Spurious rejection:
> 100 dB
Third order intercept:
+12 dBm
Diversity technique:
Rota-versity antenna combining
Antenna inputs:
Dual BNC 50 Ohm
Modulation Type:
Modified pi/4 DQPSK
Sample Rate:
44.1 ksps
Bit Rate:
220,500 bps
Audio Coder:
Proprietary sub-band ADPCM
Encryption Key Length:
128-bit (over 300 trillion, trillion, trillion keys)
Audio outputs:
Analog: -40 dBu to +15 dBu
Digital: AES-3id
Monitor out:
Front panel 1/4" jack; 0 to 110 mV RMS.
Power Options:
90 to 240 VAC, 50/60 Hz, 10 Watts
11 to 17 VDC, 10 Watts
Weight:
3 lbs., 9 ozs.
Dimensions:
8.2" wide x 1.73" high x 10.6" deep
UM700 Digital Transmitter
RF Power output:
50 mW (nominal)
Frequency stability:
± 0.001%
Equivalent input noise:
–119 dBV, A-Weighted
Spurious radiation:
70 dB below carrier
Input Level:
Nominal 2 mV to 300 mV before limiting
Greater than 1V maximum with limiting
Input impedance:
Taps provided for 100, 4k, 40k Ohm
Input compressor:
Dual-envelope limiter; 30 dB range
Gain control range:
43 dB; semi-log rotary control
Modulation indicators:
Dual multi-color LEDs indicate modulation
level in 4 steps at -20, -10, 0, +10 dB with
green and red indications
Low frequency roll-off adjustment:
–18 dB/octave; 35 Hz to 150 Hz
Controls:
2 position “ON-OFF” slide switch.
Front panel knob adjusts audio gain.
Recessed control on side panel adjusts low
frequency rolloff. Rotary switches on side
panel adjust transmitter frequency.
Audio Input Jack:
Switchcraft 5-pin locking (TA5M)
Note: The M150-7005P microphone is bypassed correctly for use
with the UM700 Encrypted Digital Transmitter and is the
recommended lavaliere microphone for the 700 Series wireless
microphone system.
Antenna:
Detachable, flexible 1/4 wave insulated
bronze cable. 50 Ohm port allows connection
to test equipment.
Battery:
Precision compartment auto-adjusts to accept
any known alkaline 9 Volt battery.
Battery Life:
4 hours (alkaline); 7.5 hours (lithium)
Weight:
6.3 ozs. including battery
Dimensions:
3.1 x 2.4 x .75 inches
Emission Designator:
180KQ2E
The FCC requires that the following statement be included in this manual:
This device and its antenna(s) must operate with a separation distance of at least
2.5 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter.
UT700 Digital Transmitter
RF Power output:
50 mW (nominal)
Frequency stability:
± 0.001%
Spurious radiation:
70 dB below carrier
Input compressor:
Dual-envelope limiter; 30 dB range
Gain control range:
43 dB; semi-log rotary control
Modulation indicators:
Dual multi-color LEDs indicate modulation
level in 4 steps at -20, -10, 0, +10 dB with
green and red indications
Controls:
2 position “ON-OFF” slide switch. Knob in
battery compartment adjusts audio gain.
Rotary switches in battery compartment
adjust transmitter frequency.
Battery:
Precision compartment auto-adjusts to accept
any known alkaline 9 Volt battery.
Battery Life:
3.5 hours (alkaline); 6.5 hours (lithium)
Weight:
12.4 ozs. with VariMic™ cardioid capsule and
lithium battery
Dimensions:
9” long, x 2.05” diameter at largest point with
VariMic™ cardioid capsule
Emission Designator:
180KQ2E
The FCC requires that the following statement be included in this manual:
This device and its antenna(s) must not be co-located or operating in conjunction
with any other antenna or transmitter.
Specifications subject to change without notice.
LECTROSONICS, INC.
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