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2005-10 Satellite Test Upconverter

  

The 2005-10 Test Upconverter takes a 70 MHz or 140 MHz signal and converts it to 2000 to 2400 MHz in 1 MHz steps with selection of high side LO (C) or low side LO (Ku) and 70 or 140 MHz input over the 2.0 - 2.4 GHz range.

Featuring low phase noise, these units are used to loop 70 or 140 MHz modulators to L-band receivers in uplinks. The 70 or 140 MHz carrier input is mixed with a synthesized local oscillator (LO) signal. The output frequency is selected with four BCD switches which control the synthesized LO. Front panel LEDs light when DC power is applied (green) and when a PLL alarm occurs (red). The mixer output is applied to the output attenuator providing a nominal gain of -10 dB (high gain) or -30 dB (low gain). Power is provided by the LNB voltage from the receiver under test and connectors are BNC female for the 70 MHz input and for the RF output. Optionally, the 2005-10 can be powered by an external wall mount power supply (option -P). The 2005-10 can be mounted on an 1 3/4” X 19 “ rack mount panel (option -R).
 


 2005-10 Test Upconverter Front


 2005-10 Test Upconverter Block Diagram

Equipment Specifications*
 

Input Characteristics
Impedance/RL
Frequency
Level
Input 1dB/3rd Order		 75 ohms/12dB
70 or 140 MHz left
-10 to -40 dBm
0/+10 dBm (low gain); -20/-10 dBm (high gain)
Output Characteristics  
Impedance/RL
Frequency		 75 ohms/8dB
2.0 - 2.4 GHz, 70 MHz high side LO
Channel Characteristics  
Gain
Spurious Response
Frequency Response		 -30dB ±3dB (low gain); -10dB ±3dB (high gain)
NA; output not filtered
±4dB, 2.0-2.4 GHz; ±0.7dB, any 10 MHz incr.
Synthesizer Characteristics
Frequency Accuracy
Frequency Step
Phase Noise		 ±25kHz max
1.0 MHz min
Suitable for 128 kB/s QPSK with 1/2 rate FEC
Controls/Indicators
Frequency Selection
DC Power
Alarm		 Direct readout BCD switches
Green LED
Red LED
Other
RF, IF Connectors
Size, Bench Top
Size, Rack Mount (-R)
Power
AC Power (-P)		 BNC, female
4.7"W X 1.75"H X 6.5"D
19 inch standard chassis, 1.75"H X 7"D (optional)
+14 to +20 VDC, 200mA on RF In
120 ± 10% VAC, 60Hz, 10W max, wall mount power supply

*+10 to +40 degrees C; 2000m max elevation; 80% max humidity; Pollution Degree 2; Specifications subject to change without notice