Lectrosonics MM400 - Manual User Manual download pdf (Page 11)

Frequency Agile UHF Miniature Belt-Pack Transmitter

SPECIFICATIONS AND FEATURES

Operating frequencies: 537.600 to 607.900 MHz

614.100 to 793.500 MHz

Frequency selection: 256 frequencies in 100kHz steps

RF Power output: 100 mW (nominal)

Pilot tone: 25 to 32 kHz; 5kHz deviation

Frequency stability: ± 0.002%

Deviation: ± 75 kHz (max)

Spurious radiation: 90 dB below carrier

Equivalent input noise: –118 dBV, A-weighted

Input level: Nominal 2 mV to 300 mV, before limiting.

Greater than 1.5V maximum, with limiting.

Input impedance: 2 kOhm

Input limiter: Soft limiter, >30 dB range

Gain control range: 43 dB; semi-log rotary control

Modulation indicators: Dual bicolor LEDs indicate modulation of –20, -10, 0, +10 dB referenced

to full modulation.

Low frequency roll-off: –12dB/octave; 70 Hz

Controls: Front panel knob adjusts audio gain.

Rotary switches on bottom panel adjust transmitter frequency.

Audio Frequency Response: 32 Hz to 20 kHz (+/-1dB - overall system)

Audio Input Jack: 2.5 mm Locking micro (matches Switchcraft 850 Microplug)

Antenna: Detachable, flexible bronze wire supplied. 50 Ohm port allows

connection to test equipment.

Battery: 1.5 Volt AA lithium recommended

Battery Life: Alkaline: 2 hours

Lithium: over 5 hours (typical)

Weight: 7.3 ozs. including battery

Overall Dimensions: 3.03 x 2 x 0.69 inches (not including microphone or antenna)

Emission Designator: 180KF3E

Specifications subject to change without notice.

The FCC requires that the following statement be included in this manual:

This device complies with FCC radiation exposure limits as set forth for an uncontrolled environment. This device

should be installed and operated so that its antenna(s) are not co-located or operating in conjunction with any other

antenna or transmitter.

Rio Rancho, NM – USA

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Lectrosonics MM400 - Manual User Manual Page 11