K-Band LNB – DUAL Band BDC for Satellite Earth Stations

MODEL: LNB-19A721A2-1274

INTERFACE

RF INPUT CHARACTERISTICS

Frequency	19.70 to 20.20 GHz 20.20 to 21.20 GHz
Return Loss (50 Ohm)	20 dB Typical 18 dB Minimum
Total Power Level	Up to +8 dBm
Input Monitor Level	-20 ± 2 dBc

IF OUTPUT CHARACTERISTICS

Frequency	1,000 to 2,000 MHz
Return Loss (50 Ohm)	20 dB Typical, 18 dB Minimum
P1dB @ Min. Attenuation	+10 dBm Minimum
IP3 @ Min. Attenuation	+25 dBm Minimum

EXTERNAL REFERENCE INPUT

Frequency	10 MHz
Power Level	-3 ± 3 dBm
Input SSB Phase Noise	-120 dBc/Hz @ 10 Hz -140 dBc/Hz @ 100 Hz -145 dBc/Hz @ 1 kHz -150 dBc/Hz @ > or = to 10 kHz

REMOTE MONITOR AND CONTROL

Format / Protocol	ITS Document OM1026
Interface	10/100 Base-T Ethernet

SUMMARY ALARM

Interface	Type-C Contact Closure

AC POWER SUPPLY INPUT

The power supply unit is CE certified.

Voltage	90 – 250 VAC
Frequency	47 – 63 Hz

CONNECTORS

RF Input	3.5mm Female or WR42C
RF Input Monitor	3.5mm Female
IF Output	Type N Female, 50 Ohm
External Reference	SMA Female
Monitor and Control Amphenol PN	RJF2SA2GXX100BTX
Summary Alarm	ITT Cannon PN KPT07E8-3P
AC Power Input	ITT Cannon PN KPT07E12-3P

LED STATUS INDICATOR

GREEN	Powered
RED	Alarmed

PERFORMANCE

TRANSFER CHARACTERISTICS

Conversion Type	Single Conversion
Frequency Sense	No Inversion
Constant Gain	+74 ± 2 dB
Gain Stability	±0.25 dB/24 hours @ constant temperature
Gain Stability vs. Temp.	±0.5 dB ptp over entire range
Gain Flatness	±1.0 dB ptp over entire band ±0.25 dB ptp over any 40 MHz
Image Rejection	60 dB min.
NF	1.8 dB max.
Group Delay Variation	<2 ns ptp over 300MHZ
Spurious, Signal Related and In-band	-65 dBc max. upto 0 dBm output
Spurious, Signal Independent	-80.0 dBm max.
LO Leakage at RF Input	-80.0 dBm max.
Output SSB Phase Noise	-40dBc/Hz @ 10Hz, -70 dBc/Hz @ 100Hz, -80 dBc/Hz @ 1kHz, -90 dBc/Hz @ 10kHz, -100 dBc/Hz @ > or = 100kHz
Additive Phase Jitter	0.75° RMS 100 Hz – 10 MHz

INTERNAL REFERENCE CHARACTERISTICS

The downconverter automatically operates from its internal reference when the external reference is not present.

Frequency Stability	±1 × 10^-7 over -40 to 60 °C ±2 × 10^-10 /day

MECHANICAL

The downconverter is suitable for outdoor use in severe environments. The unit is CE certified.

Dimensions	12.61” × 7.88” × 3.36”
Weight	15 lbs
Finish	Electroless Nickel Plating per MIL-C-26074, Class 4

ENVIRONMENTAL

OPERATING

Temperature	-40 to +60 °C
Humidity	Up to 100% Condensing
Altitude	10,000 Feet AMSL Maximum

NON-OPERATING

Temperature	-50 to +70 °C
Altitude	55,000 Feet AMSL Maximum
Shock	Operational after 10G Shock