18Q0197SpecsDown.docx

Downconverter Specs

2.1 Reference Electrical Requirements

2.1.1 External Reference Input: 10 MHz,

2.1.2 Redundant Internal Reference: 10 MHz (Switched on if External Reference falls below specified input level or is not connected.)

2.1.3 Internal Ref. Accuracy: <±1 PPM @ +25 °C ±10 °C (At time of Shipment)

2.1.4 Internal Ref Stability: <±2 PPM (0 °C to +50 °C)

2.1.5 Internal Ref Aging: <±1 PPM (First Year)

2.1.6 Ext. Ref. Input Level: +2 to +10 dBm

2.1.7 Ext. Ref. Input VSWR: 1.4:1 @ 10 MHz ±10%

2.1.8 Ext. Ref. Input Impedance: 50 Ohm

2.1.9 Ext. Ref. Phase Noise: <-108 dBc/Hz @ 10 Hz Offset, MAX <-138 dBc/Hz @ 100 Hz Offset, MAX <-148 dBc/Hz @ 1 KHz Offset, MAX <-158 dBc/Hz @ 10 KHz Offset, MAX <-165 dBc/Hz @ 100 KHz Offset, MAX

2.2 RF Input Electrical Requirements

2.2.1 Frequency: 22.0 - 24.0 GHz

2.2.2 Input level: 0 dBm MAX, No Damage

2.2.3 Input Impedance: 50Ω

2.2.4 Input VSWR: <2.5:1

2.3 IF Output Electrical Requirements

2.3.1 Frequency: 500 - 2500 MHz

2.3.2 Output Spectrum: Non-Inverted, Single Conversion

2.3.3 Output Power, P1dB: 0 dBm, MIN

2.3.4 Output Impedance: 50Ω

2.3.5 Output VSWR: 1.7:1 MAX (500 – 2500 MHz)

2.3.6 Spurious (In-Band): <-55 dBc, MAX (-10 dBm, Signal Out)

2.3.7 Image Rejection: None

2.3.8 IMD3: <-45 dBc TYP, <-40 dBc MAX, Output (@ -10 dBm per tone, 20 MHz apart)

2.3.9 Group Delay: 3 nSec, Ripple Peak-to-Peak

2.3.10 LO Frequency: 21.5 GHz

2.3.11 LO Leakage @ RF Port: <-50 dBm @ 10.75 & 21.50 GHz

2.3.12 LO Phase Noise:

OFFSET MAX (dBc/Hz) 10 Hz -32 100 Hz -62 1 KHz -72 10 KHz -82 100 KHz -92 1 MHz -112 The max values indicate performance over temperature and variation in reference input power. Unit to meet continuous phase noise mask as described by the MAX points.

2.3.13 Noise Figure: 15 dB, MAX entire converter

2.4 Gain Specifications

2.4.1 Conversion Gain: +20 dB, ±1.5 dB @ IF=1500 MHz

2.4.2 Gain Flatness: ±2.5 dB @ IF=500-2500 MHz

2.4.3 Gain Variation vs. Temp: ±1.5 dB (0 to +50 °C)

3 I/O SPECIFICATIONS

3.1 Internal LO Lock Detect: +3.3V TTL, High = Lock

3.2 External Reference Detect: +3.3V TTL High = Ext. Ref. Detected Low = Locked to Internal Reference

3.3 Supply Voltage: +12 VDC, ±0.25V

3.4 Current: 475 mA TYP, 525 mA MAX

4 MECHANICAL SPECIFICATIONS

4.1 Overall Dimensions: 5.00” x 2.50” x 0.60” (Tolerance = ±0.03”)

4.2 Housing: Aluminum Alloy

4.4 Finish: Electroless Nickel

4.5 Connectors: IF Output: Female SMA or 2.92mm RF Input: Female 2.92mm Ref Input: Female SMA Lock, Ref. Detect, & Vcc: Filtered Feed-Thru Ground: Ground Lug (Housing is also GND)

5 ENVIRONMENTAL SPECIFICATIONS

5.1 Operating Temperature Range: 0 °C to +50 °C, (Housing Surface)