TS-590SG Incremental changes help performance and function to evolve (see the new brochure V1- download .pdf link below)
TS-590SG Upgraded features, replaces the original TS-590S model
Enhanced RX performance with superb 3rd-order Dynamic Range
New On-screen CW decoder
Extended Digital IF Filter selections
“ANT Out” function like TS-990S
TX/RX Equalizer DSP now settable per Mode
Now up to 20 steps adjustment for TX Monitor and CW Side-tone
Enhanced VGS-1 “Voice Guide” functions
New Quick Split-frequency Operation function like TS-990S
New Tri-Colour LCD Display (Amber, Green or Yellow)
Extra (3rd) PF function via push-switch in the MULTI/CH knob
De-luxe new VFO knob design
我的蝇文很烂：
1、增强接收机性能，改进三阶动态范围（2KHz）。
2、新增CW解码功能，像K3那样的。。
3、带接收天线输出，好像是利用DRV接口（妈妈再也不用担心SDR的接收天线问题了）
4、分模式调节的收发EQ调节，发射监听音量与CW侧音音量升级为20阶可调；
5、增强VGS-1的语音向导功能；
6、类似990的快捷操作；
7、新的三色LCD屏幕；
8、小波轮可以按压了；
9、双VFO波轮了。
Enhanced RX performance 3rd Order Dynamic Range @ practical 2 kHz separation (revised circuitry around post 1st Mixer & AGC control system & C/N characteristic of 1st Local OSC) – CW signal is decoded and scrolls in the 8-segment of the LCD (like to K3) – MULTI/CH encoder is changed, with push-switch funcition – ANT OUT to use with DRV OUT terminal as ANT OUT (via internal splitter) to connect external RX such as a Pan-adapter (3dB loss in divider) – SPLIT Setting: push and hold Split key, push “5” key example then you can work 5kHz up in Split operation -TX Power spike comparable to TS-990S etc
Adjacent C/N with conventional PLL/VCO – This is a method in which, for the 1st local oscillator, instead of employing conventional PLL/VCO, the output of a DDS (Direct Digital Synthesizer Analog Devices Inc. AD9951YSVZ) is supplied directly to the Mixer.During down conversion, the oscillation frequency is lower than it is in up conversion, so even better C/N (Carrier to Noise ratio) characteristics can be achieved.
