Hf /ssb Transceiver

KENWOOD TS-890S

Model Seri: KENWOOD-TS-890S

Kategori: Hf /ssb Transceiver

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Tanya Harga & Stok

OVERVIEW & SPESIFIKASI

Top in its class with three dynamic ranges.
Alive and well, the non-tiring KENWOOD tone keeps you listening.

Photograph shows optional 270Hz roofing filter installed.

Receive performance on a whole other level from narrow bandwidth roofing filters that only full down conversion can provide

The TS-890S uses 8.248MHz 1st IF frequency down conversion for its receive signal system in order to continue the adjacent interference signal exclusion legacy refined in the TS-990S. This means you can use narrow bandwidth crystal filters with passband widths of 500Hz or 270Hz (optional YG-82CN-1) as roofing filters to achieve strong exclusion of unnecessary adjacent signals. The 1st mixer is the H-mode mixer also carried by the TS-990S. Conversion characteristics have been improved with fine-tuning of input/output matching as well the device used.

3^rd intermodulation dynamic range (3^rd IMDR)

Reciprocal mixing dynamic range (RMDR)

Blocking dynamic range (BDR)

Measurement conditions (shared) Frx=14.2 MHz, PRE AMP OFF, BW 500 Hz, CW Vertical axis: Dynamic range (shared) Horizontal axis: Interference signal interval (3rd IMDR), interference signal isolation frequency (RMDR, BDR) ・Values are measured examples.

High-speed scanning with independent band scope receiver

The configuration of the band scope receiver has changed from the superheterodyne system used in the TS-990S to 1st IF sampling using an A/D converter (14bit/39MHz), and FPGA digital down conversion. This means a change in scanning method from step FFT to FFT, achieving highspeed updates to the display irrespective of span settings.

Local oscillator realizes superior C/N

Interference signal exclusion is not determined by roofing filters and signal system devices alone. The TS-890S has taken the VCO division of the TS-990S and developed it further, combining a VCO device with high C/N in the gigahertz band and a reference oscillation circuit with superior adjacent C/N to deliver C/N characteristics unattainable in conventional units.

1^st Local OSC Phase Noise (14.1MHz) ・Values are measured examples.

The speed and quality of KENWOOD’s renowned IF AGC control

A variety of functions are realized through 32-bit floating-point DSP technology inherited from the TS-990S, including modulation/demodulation in all modes, IF filter, IF-AGC, and removal of interfering signals. Popular for its non-tiring and great-quality audio, the IF-AGC has undergone a facelift with a combination of roofing filters and IF filters, and has been designed to enable optimal control under various noise circumstances.

For IF DSP, transmitter ADSP-21363 clock @332MHz

For band scope ADSP-21363 clock @332MHz

Other receiver system features

● RF ATT(OFF/6/12/18dB)
● Preamp(PRE1/PRE2)
● Receive only antenna connector(RX IN, RX OUT)
● Antenna output connector

(021) 5890 8591

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KENWOOD TS-890S

OVERVIEW & SPESIFIKASI

Top in its class with three dynamic ranges.Alive and well, the non-tiring KENWOOD tone keeps you listening.

Receive performance on a whole other level from narrow bandwidth roofing filters that only full down conversion can provide

High-speed scanning with independent band scope receiver

Local oscillator realizes superior C/N

The speed and quality of KENWOOD’s renowned IF AGC control

Other receiver system features

Produk Serupa

YAESU FTDX101D

YAESU FT-891

YAESU FT-991A

YAESU FTDX10

Top in its class with three dynamic ranges.
Alive and well, the non-tiring KENWOOD tone keeps you listening.