Specifications – Lectrosonics T1 User Manual
Page 13
Multi-Frequency IFB Transmitter
Specifications
Operating Frequencies:
Block 21
537.600 - 563.100
Block 25
640.000 - 665.500
Block 22
563.200 - 588.700
Block 26
665.600 - 691.100
Block 23
588.800 - 607.900
Block 27
691.200 - 716.700
614.100 - 614.300
Block 28
716.800 - 742.300
Block 24
614.400 - 639.900
Block 29
742.400 - 767.900
Frequencies (Channels per block):
256
Channel Spacing:
100 kHz (0.1 MHz)
Spurious & Harmonic Suppression:
1 uW at freq. above 1 GHz
4 nW at freq. below 1 GHz
Frequency Stability:
±.002% (20 ppm) @ 25° C
Temperature Stability:
±.005% (50 ppm) from -30° C to +50° C
Channel Selection:
Momentary pushbutton switches, TUNE Up and Down
Pilot Tone:
29.997 kHz
Modulation:
FM, ±20 kHz deviation
Audio Response:
100 Hz to 10 kHz, ±1 dB, -3dB (system response)
Audio Compressor:
2 to 1
RF Power Output:
250 mw (nominal)
Output Impedance:
50 ohms
Audio Input Levels:
+4 dBu, -6 dBu, and -40 dBu, dry inputs, +/-50Vdc max,
rear panel selectable for Line, Mic, RTS 1, RTS 2, and Clear Comm
Audio Input Config:
Balanced and Unbalanced, rear panel selectable
for Line, Mic. RTS 1, RTS 2, and Clear Comm
Audio Input Impedance:
Greater than 2 K balanced, greater than 1 K unbalanced
at any gain setting
Gain Control Range:
43 dB, Semi-log Rotary control
Audio Input Jack:
Standard XLR female connector
Input Power:
12 to 14 VDC typical, 250 ma. max.; Max. Input Range 11 to 18 VDC
Power Input Jack:
Coax type, locking LZR RL26AE
Indicators:
LED for -20 dB modulation
LED for 0 dB modulation
4 Digit 7-segment LED displays for frequency and power on
with adjustable brightness
Front panel controls:
Audio Level rotary knob
Power OFF-TUNE-XMIT, 3 position slide switch
TUNE Up momentary pushbutton switch
TUNE down momentary pushbutton switch
Rear panel controls:
Mode Select, 4 section DIP switch
Weight:
9 oz.
Size:
5.25" long (including connectors) x 3.25" wide x 1.25" high
Specifications subject to change without notice.
Emission designator: 80KOF3E
The T1 IFB transmitter is FCC type accepted under Part 74: 470 - 608MHz and 614 - 806MHz
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
13