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2087 Series L-Band Fixed Downconverter |
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| The 2087 Series Fixed Downconverter converts an L-band signal to IF with no spectrum inversion, low group delay, and flat frequency response. The L-band RF input is mixed with a synthesized local oscillator (LO) signal to IF. The LO frequency is fixed. A green front panel LED lights when DC power is applied. Connectors are Type F for the RF input and BNC female for IF output. The 2087S series includes a bandwidth determining SAW filter. Power is provided by a 120 ± 10% VAC, 60Hz, wall mount power supply. The 2087 Series Fixed Downconverter is housed in an 4.7” wide X 1.75” high X 12.5” deep aluminum chassis. The 2087 can be mounted on an 1 3/4” X 19 “ rack mount panel (option -R). | ||
2087 Series Downconverter Chassis and Rear Panel
Equipment Specifications*
| Input Characteristics | |
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Impedance/RL Frequency (specify) Level Range Input 1dB/3rd Order |
75 ohms/10dB 0.95 to 2.0 GHz -10 to -20 dBm 0/+10 dBm |
| Output Characteristics | |
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Impedance/RL IF Frequency |
75 ohms/18dB 70, 140 MHz, standard |
| Channel Characteristics | |
| Gain Image Rejection Spurious Response Frequency Response Group Delay, max |
10 ± 1.0dB > 40 dB < -45 dBC ±0.5dB, ±15MHz or determined by SAW IF filter ± 5ns, ±10MHz; ±15ns, ±15MHz or determined by SAW IF filter |
| Synthesizer Characteristics | |
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Frequency Accuracy Phase Noise (dBC/Hz) |
±25 kHz max over
temp <= -80, 10 kHz; <= -90, 100 kHz; <=-100, 1 MHz |
| Indicators | |
| DC Power | Green LED |
| Other | |
| RF
Connectors IF Connectors Size, Bench Top Size, Rack Mount (-R) Power |
type F, female BNC, female 4.7" wide X 1.75" high X 12.5" deep 19 inch standard chassis, 1.75" high X 13.0" deep (optional) 120 ± 10% VAC, 60 Hz, 20W max, wall power supply |
| Models | |
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2087-13 2087-13R 2087-13C 2087S-13 (etc. as above) |
1.35 GHz in, 70
MHz out, wall power supply 1.35 GHz in, 70 MHz out, wall power supply, rack mount 1.35 GHz in, 70 MHz out, no power supply, use with 2000-01 power supply 1.35 GHz in, 70 MHz out, SAW IF Filter, wall power supply |
*+10 to +40 degrees C; Specifications subject to change without notice