DreamCatcher ME1000 RF, Quick Start Manual

Page: 21 / 23

http://dreamcatcher.asia/cw
cw.enquiry@dreamcatcher.asia
ME1000 RF Circuit Design
Quick Start Guide - 21/23
Appendix C: Technical Specifications
Low-Noise Amplifier Min Typical Max Unit Remarks / Descriptions
Power supply voltage 3 3.3 3.6 V
Small-signal gain @ 868 MHz 9 11 15 dB
Input return loss 9 14 18 dB
Output return loss 9 13 15 dB
Isolation 15 20 22 dB
Noise figure - - 5 dB at T= 23
○
C
Frequency Synthesizer Min Typical Max Unit Remarks / Descriptions
Power supply voltage 3 3.3 3.6 V
Output frequency 816 - 880 MHz
Output power –6 –4.5 –2 dBm into a 50 Ω load
1st harmonic suppression 15 - 45 dB
2nd harmonic suppression 20 - 50 dB
Frequency resolution - 0.1 - MHz
Power Amplifier Min Typical Max Unit Remarks / Descriptions
Power supply voltage 3 3.3 3.6 V
Small-signal gain @ 868 MHz 13 15 16 dB
Input return loss 13 18 29 dB
Output return loss 7 12 15 dB
Output 1 dB compression power 8 10 11 dBm into a 50 Ω load
Input P1 dB compression power –7 –5 –3 dBm
Output 3rd order intercept power 15 17 25 dBm 1 MHz separation, into a 50 Ω load
Isolation 20 21 23 dB
RF Bandpass Filter (V1.01) Min Typical Max Unit Remarks / Descriptions
Lower 3 dB frequency 800 - - MHz Only min limit required
Upper 3 dB frequency - - 1300 MHz Only max limit required
Insertion loss @ 868 MHz - 2.5 4 dB
Insertion loss @ 600 MHz - 25 30 dB 200 MHz from 3 dB limit
Insertion loss @ 1500 MHz - 22 32 dB 200 MHz from 3 dB limit
Input return loss @ 868 MHz 8 15 21 dB
Output return loss @ 868 MHz 8 21 23 dB
RF Bandpass Filter (V2.00) Min Typical Max Unit Remarks / Descriptions
Lower 3 dB frequency 867.5 - - MHz Only min limit required
Upper 3 dB frequency - - 869.3 MHz Only max limit required
Insertion loss @ 868 MHz - 4 6.5 dB
Input return loss @ 868 MHz 10 12 15 dB
Output return loss @ 868 MHz 10 12 15 dB