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Cross Technologies 2015-25 Manual de instrucciones Pagina 3

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MODEL 2015-25 Upconverter
1.0 General
1.1 Equipment Description
The 2015-25 S-band Upconverter converts 70 ± 18 MHz to 2000 to 2500 MHz in 1 MHz steps (0.5 MHz steps,
option -5) with low group delay and flat frequency response. Synthesized local oscillators (LO) provide
frequency selection. Multi-function push button switches select the RF frequency, gain, and other parameters.
Front panel LEDs provide indication of DC power (green), PLL alarm (red), remote operation (yellow) or the
TX carrier is muted (yellow). Variable attenuators for the IF input and output provide a gain range of -10 to +30
dB as adjusted by the front panel multi-function push-button switches. Remote operation allows selection of
frequency and gain. Parameter selection and frequency and gain settings appear on the LCD display.
Connectors are BNC female for RF, IF and the optional external reference input and output. 10 MHz reference
can be inserted on the RF line as an added option. The 10 MHz option includes a 10 MHz output connector
which contains either the internal or external 10 MHz reference signal. A high stability (±0.01ppm) option is
also available. The unit is powered by a 100-240 ±10% VAC power supply, and housed in a 1 3/4” X 19” X
16” rack mount chassis.
MENU
EXECUTE
MODEL 2015
CROSS TECHNOLOGIES INC.
F = 2475.000
G = +10.0
MUTEREMOTE POWER ALARM
UPCONVERTER
FRONT PANEL
AC
RF OUT
GND
J4 J5J3J18
10 MHZ REF
10 MHZ
IF IN
EXT REF
OUTPUT INPUT
J10
AND
MONITOR
CONTROL
J20
1
5
234
6789
REAR PANEL - AC INPUT
DC INPUT
RF OUT
GND
J4 J5J3J18
10 MHZ REF
10 MHZ
IF IN
EXT REF
OUTPUT INPUT
J10
AND
MONITOR
CONTROL
J20
1
5
234
6789
• •
• •
+18 TO +36 VDC
REAR PANEL - DC INPUT
FIGURE 1.1 Model 2015-25 Front and Rear Panels
2.0
to
2.5
GHz
OUT
70
MHz
IN
1.0 to 2.8 GHz
BP
CONTROLLER
F=2475 G=+10.0
1750 MHz
BP
1820
MHz
3.8
to
4.3
GHz
var
atten
EXT
10MHz*
*OPTIONAL
var
atten
INT
10MHz
FIGURE 1.2 Model 2015-25 Upconverter Block Diagram
2015-25 Manual, Rev. J Page 3 07/15/14
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