Radyne SFC1450A Ku-Band Synthesized Frequency Up Converter

Low cost and high performance
Built-in 1:N series switching option
Low phase noise
Low group delay distortion

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SFC1450A Ku-Band Synthesized Frequency Up Converter

The Radyne SFC1450A Ku-Band Synthesized Frequency Up Converter has been designed to provide performance that meets or exceeds industry standards. The SFC1450A features also provide ease of integration and operation.

SFC1450A Highlights

Low-Cost and High Performance in a 1.75" High Chassis
Built-In 1:N Series Switching Option
+23 dBm Output Intercept Drives 200 Extra Feet of Coaxial Cable
50 dB of Gain Control at 0.1 dB Resolution
Versatile Input and Output Attenuator
-80 dBc Spurious Suited for Large Earth Stations
125 kHz Frequency Resolution
Low Phase Noise
Low Group Delay Distortion for High Data Rates and DVB

The SFC1450A offers the highest standard output power of any rack-mount up converter available. With an output P1 dB in excess of +10 dBm, the SFC1450A may eliminate the need for line amplifiers in your next installation. Installation of the SFC1450A into any existing earth station is easily accomplished due to the presence of independently adjustable input and output attenuators that provide total gain control of 50 dB. The input attenuator optimizes the existing IF power applied to the converter to a level which guarantees optimal performance over 30 dB of input signal power. Output power is adjustable over 20 dB which further guarantees that spurious performance is maintained independently of up converter gain. Linearity of the converter is equally impressive. The SFC1450A boasts a two tone IMD products of -46 dBc for a combined output power of 0 dBm. Phase linearity is maintained through an internal group delay equalizer that limits parabolic plus linear group delay to less than three nanoseconds across the band. Thus, the SFC1450A is ideally suited for multiple carrier or DVB uplinks where linearity and group delay distortion becomes critical.

Monitor and Control

All of the configuration, monitor and control functions are available at the front panel. Operating parameters such as frequency, channel, gain, gain offset and switch settings (backup only) can be readily set and changed at the front panel. Additionally, all functions can be accessed with a terminal or personal computer via a serial link (RS-232, RS-485, or Ethernet) for complete remote monitor and control (M&C) capabilities. Extensive fault monitoring with masking capability, along with time and date stamped event storage are available.

Protection Switch Versatility

Redundancy for the SFC converter products can be supported by an external rack mounted RCU101 (1:1) or RCU108 (1:N) system. These redundant systems are designed to ensure continuous operation thus allowing a unit to be replaced without disruption of the signal transmission. The RCU101 or the RCU108 can be easily configured by connecting the cables and starting the plug and play process.

Identical firmware enables any converter to be plugged into the backup slot and assume the role of protection switch controller. It is the backup converter that learns and stores the frequency, gain and channel settings of the primary converters. The backup converter can be operated automatically, in which case an automatic backup of a failed on-line converter occurs after a user pre-programmed delay. The backup may also be operated manually, allowing the operator to manually switch-in the backup unit. In the event the stored setting of the primary converter is changed, the backup converter will notify the user.

Switching configuration settings, such as priority, fault delay, force and learn controls, backup testing, and compensation, are available on the front panel and all serial interfaces. Status information on all primes, such as summary fault, learn and backup status tests, configuration change, relay status, and converter type, is also available. All circuits are protected upon installation of the switch and upon completion of the learning process. This eliminates the need for complicated software configurations that might otherwise leave a circuit vulnerable. Likewise, replacing a failed converter is as simple as plugging in a replacement.

Input Characteristics
Frequency	70 MHz ±18 MHz Standard 140 MHz ±36 MHz Optional
Impedance	75 Ohms
Return Loss	>23 dB
P1 dBm Input	+10 dBm (Input Attenuator @ 30 dB) -15 dBm (Input Attenuator @ 0 dB)
Pin Nominal	+5 dBm (Input Attenuator @ 30 dB) -25 dBm (Input Attenuator @ 0 dB)
Connector	BNC F
Output Characteristics
Frequency	14.00 to 14.50 GHz Standard 13.75 to 14.50 GHz Extended
Impedance	50 Ohms
Return Loss	>19 dB
P1 dBm Output	+10 dBm Minimum
Output Attenuation	0 to 20 dB Continuously in 0.1 dB Steps
Connector	SMA, Type-F
Transfer Characteristics
Type	Double Conversion,No Spectral Inversion
Gain	30 dB Maximum @ 0 dB Total Attenuation
Gain Control	50 dB in 0.1 dB Increments (30 dB to -20 dB Conversion Gain)
Gain Ripple	±0.50 dB/36 MHz Typical, ±0.75 dB Maximum
Gain Slope	±0.05 dB/MHz
Gain Stability	±0.25 dB/24 Hours, ± 1.0 dB; 0 to 50°C
Spurious	-80 dBm Local Oscillator Related Spurious (In-Band) at Maximum gain -60 dBc Signal Related Spurious (In-Band) at Minimum Attenuation
Third Order Intercept	+23 dBm -46 dBc IMD Two Tones with +0 dBm Total Output Power
AM/PM Conversion	0.15°/dB @ +5 dBm Output
Frequency Synthesizer Characteristics
Resolution	125 kHz Step Size
Stability	±5 x 10^-9 Over Temperature (0 to 50° C) +1 x 10^-9/24 Hours
Accuracy	±5 x 10^-9

Offset	Ku-Band Standard
10 Hz	-50 dBc/Hz
100 Hz	-60 dBc/Hz
1 kHz	-80 dBc/Hz
10 kHz	-84 dBc/Hz
100 kHz	-94 dBc/Hz
1 MHz	-110 dBc/Hz
Ext. Reference	10 MHz, 0 dBm, 50 Ohms (5 MHz Optional)
Group Delay
Linear	0.025 nsec./MHz
Parabolic	0.005 nsec./MHz²
Ripple	1 nsec. p-p
Carrier Mute	80 dB Minimum
Operator Interface
Front Panel	Keypad Control, LED Indicators, and LCD Indicators
Remote Interfaces	Terminal (RS-232), ASCII and RLLP (RS-232/RS-485) Serial Interface, and SNMP (Ethernet) 10 Base-T
Rear Panel Connections	RF Input (SMA-F, IF Input (75 Ohm BNC), Operator Serial Port (DB 9-Pin), 10 MHz REF In (50 Ohm BNC),10 MHz REF Out (50 Ohm BNC), Fault/Test (DB-9 Pin), Switch Interface (DB-15 Pin), Equipment RS-485 Interface (DB-9 Pin), IEC/EN60320/C13 Power Entry Module/Switch, #10 Ground Lug, Series Switch Interface (Optional)
Front Panel Test Ports	RF Monitor -15 dB (Nominal) SMA-F; IF Monitor -15 dB SMA-F
Physical Characteristics
Size	19" x 21" x 1.75" (48.26cm x 53.34cm x 4.44cm)
Weight	12 lb. (5.44 Kg)
Primary Power	100 to 240 VAC, 50 to 60 Hz
Power Consumption	50 Watts
Environmental Characteristics
Operating Temperature	0 to 50°C
Humidity	To 95% Non-Condensing
Altitude	To 8,000 Feet (2438.4 meters) AMSL
Shock and Vibration	No loss of frame synchronization at the BER Test set due to a standard hammer drop test on any outside surface of converter. Likewise, no loss of frame sync for temp gradient of ±22°C/Hour
Non-Operating Temperature	-32 to +70°C, 99% Humidity, Non-Condensing

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What to Expect

Policies and Procedures