看着这繁星点点的板子... 多少只手把手....
作者写了,要焊600多个贴片......
GenesisRadio G11 SDR 板子:$300
(G11 Multiband HF and 6m SDR S/H Sample and Hold Transceiver <2012>)
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- 1. LF version: 137 KHz or 500 KHz (RX 50KHz – 2MHz)
- HF version: covers up to 5 HF bands, depending on BP/LP filters selection.
- 160m monoband. 6m monoband.
- 2. Min synthesizer step: 1Hz, adjustable.
- 3. All-mode CW/SSB/FM/ DIGITAL *
- 4. IIP3 30-32dBm *
- 5. MDS is -116 to -122dBm * RF preamplifier on: MDS is from -130 to -133dBm. *
- 6. Image rejection: -35 to -60 dB [hardware], better than 60dB [software]
- 7. RX sensitivity: 0.15-0.2uV for 10 dB S/N ratio. Max S/N measured: 70dB.
- 8. SFDR (Spurious free dynamic range) is 93-100dB these results are with signals
- spaced 5 kHz or more.
- 9. Receiver 1dB compression point is + 5dBm
- 10.Second antenna RX2 input
- 11.Support for transverter with split RX input.
- 12. Transmitter output power is 10W min (5W on 6m) and it is adjustable in software to
- almost 0W. Transmission is possible only on amateur bands
- 13. TX carrier suppression: 45-60dBc [hardware]
- 14. Image rejection: -35dBc to -50dBc [hardware], 60dB with GSDR SDR software
- 15.Built in microphone preamplifier with adjustable 2 position gain to enable operation
- with with single-input sound card [LINE IN or MIC in]
- 16.Built in IAMBIC CW keyer with independent CW monitor
- 17.Control circuit for keying RF linear power amplifier
- 18. Power supply +12V to +14V @3.5A
- 19.Specified operating temperature range is from 0C to +55deg C
- 20. Dimensions 240 x 240 x 88mm weight 1.5kg
- 21.Kit assembly: 5-8 hours **
- 22. G11 control via USB connection with GSDR software running on XP, Vista or WIN7 OS
Genesis G59: 套件:$399
(All Mode 160-6m SDR Transceiver Kit)
"The Best SDR Kit on the Amateur Radio Market"
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Receiver:
- adjustable synthesizer with 1Hz step, IIP3 32-35dBm,
- MDS: -116 to -122dBm (RF preamplifier ON: -132 to -134dBm.).
- RX Sensitivity is 0.15-0.2uV for 10 dB S/N ratio and max S/N measured ratio is 70dB.
- Image rejection is from -35dBc to -50dBc (hardware) or better than -80dBc (hardware + software). SFDR (Spurious free dynamic range) is 93-100dB or over 100dB for G59C.
- Receiver 1dB compression point is + 10dBm.
- Second RX antenna input.
Transmitter:
- G59 output power: 10mW, GPA10 output power: adjustable 0-10W.
- Carrier suppression is from 45-60dBc (hardware).
- TX Image Rejection is from -35dBc to -50dBc (hardware) or better than 60dB with GSDR software.
- G59 has built-in microphone preamplifier, IAMBIC keyer with CW monitor.
[ 此帖被bd7imm在2017-11-27 17:48重新编辑 ]
