(C) 2000 by Myers Engineering International,
Inc.
Transmitter:
- Power output: 1 Watt into 50 ohms
- Data Rate: 1 or 2 Mbit/second
- Modulation: 2 or 4 level FSK, Analog FM
- Bandwidth: 1 MHz
- Frequency Agile Control: Crystal Controlled PLL
Synthesizer
- Fast Tuning: Continuous from 2.2 GHz to 3.0 GHz,
designed for frequency hopping Spread Spectrum operation
- Monitoring outputs: Buffered and filtered Forward and
Reverse Power and several test points
- Construction: Single Sided Surface Mount parts
Representative output signal spectrum when
modulated with an oscillatory 2-FSK data stream
Receiver:
- Sensitivity: -92 dBm using 2 level FSK
- Stability: Unconditionally Stable
- Input Noise figure: Less than 1.5 dB from 50 ohm
source antenna
- System Noise figure: Less than 6 dB from 50 ohm source
antenna
- IP3: +5 dBm
- First IF: UHF with 4 pole filter
- Second IF: HF with 8 pole 1 MHz wide filter and group
delay equalizer
- First LO: Agile PLL Synthesizer with continuous
coverage from 2.2 GHz to 3.0 GHz
- Second LO: Multiplied Crystal
- First IF Image Rejection Ratio: more than 80 dB
- Second IF Image Rejection Ratio: more than 60 dB
- Adjacent Channel Rejection Ratio: more than 66 dB
- Second Adjacent Channel Rejection Ratio: more than 80
dB
- Outputs: Buffered and filtered FM Demodulator and RSSI
and several test points
- Construction: Single Sided Surface Mount parts
NOTE: In the picture above, the resolution was deliberately
reduced to protect some of MEI's Intellectual Property. Please note that the
technologies used in the above device are Patent pending.
MODEM and Transceiver Controller:
- Firmware controlled data rate, modulation levels, shape and
filtering
- Firmware controlled transmitter and receiver frequencies
- Several A/D and D/A converters to send and receive analog
info from the transceiver and monitor all test points
- Construction: Double Sided Surface Mount parts
NOTE: In the picture above, the resolution was deliberately
reduced to protect some of MEI's Intellectual Property. Please note that the
technologies used in the above device are Patent pending
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