
SFC1800A Synthesized Frequency Upconverter Technical Specifications
TM111 – Rev. 1.0 7-1
Technical Specifications
7
7.0 Introduction
This section defines the technical performance parameters and specifications for the SFC1800A
Synthesized Frequency Upconverter.
7.1 Output Characteristics
Frequency: 17.30 to 18.40 GHz
Impedance: 50 Ohm
Return Loss: >16 dB
P1 dBm Output: +15 dBm Minimum
Output Attenuation: 0 - 20 dB Continuously Variable in 0.1 dB Steps
Connector: N, Type-F
7.2 Input Characteristics
Frequency: 70 MHz ±18 MHz Standard, 140 MHz ±36 MHz Optional
Impedance: 75 Ohm
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 Type F
Performance specifications guaranteed at nominal levels only.
7.3 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: ±0.25 dB/36 MHz Typical, ±0.50 dB Maximum
Gain Slope: ±0.05 dB/MHz
Gain stability: ±0.25 dB/24 hr., ± 1.0 dB; 0 to 50°C
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