Yaesu FT-857

The FT-857, the world's smallest HF/VHF/UHF Mobile Transceiver, provides base station performance from an ultra-compact package that's ideal for mobile or external battery portable work. Now with built-in Digital Signal Processing and coverage of the new U.S. 60-meter band, the FT-857D is the expert's choise for high-performance mobile operation!

Yaesu FT-857 - A Yaesu FT-857 rendkívül kis méretu adóvevo (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

1. page

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): ULTRA COMPACT DESIGN
Measuring just 6.1"x2"x9.2" (155x52x233mm), the FT-857D is the world's smallest full-power HF/VHF/UHF multimode transceiver! Its rugged case design is a masterpiece of ergonomic design, with often - used switches and knobs conveniently positioned for easy access.

Yaesu FT-857 - A Yaesu FT-857 a világ legkisebb nagy teljesítményu, több üzemmódú adóvevoje. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): RUGGED, HIGH-OUTPUT TRANSMITTER DESIGN

Borrowing extensively from the FT-897 transmitter design, the FT-857D1s rugged power amplifier section utilizes Bipolar Transistor devices, providing low noise, low distortion, and high reliability. On HF and 6 meters, you get 100 Watts of clean power output , while on 2 meters you get 50 Watts out, and 20 Watts on 70 cm. Reliability is assured thanks to the extensive cooling system, featuring a thermostatically-controlled fan and aluminium diecast chassis.

Yaesu FT-857 - A Yaesu FT-857 stabil teljesítményerosítoje bipoláris tranzisztorokat használ. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

YAESU FT857 (FT 857, FT857, FT-857D, FT 857D, FT857D): UNMATCHED EASE OF ACCESS TO FEATURES

Despite its compact size, the FT-857 is without peer in ease of access to the features and functions you need the most!

•BIG-RADIO TUNING DIAL AND OUTSTANDING ERGONOMICS:

Ease of operation of the FT-857D is enhanced by the large diameter 1.7" Main Tuning Dial
(10 Hz steps minimum), similar in size to the tuning knob of many base station rigs.
Yaesu FT-857 - Nagyméretu fo hangológomb. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)
What's more, the SELECT knob allows "channelized" tuning in minimum steps of 1 kHz on SSB/CW, or 5 kHz on FM, for quick and easy tuning around the band. All important keys are strategically placed around the front panel, for quick access.

•EASY-TO-USE "SCROLLING FRONT PANEL" KEYS:
The compactness of the FT-857D is made possible by the easy-to-use "multi-function" keys, which allow adjustment of a number of transceiver operating functions during operation. Pressing the (FUNC) key allows selection of the operating function row, using the Selector knob, and you may then press the (A), (B), or (C) key, as needed, to change the setting. One row of keys may also be custom-programmed by the operator, allowing you quick access to a particularly important set of functions or Menu items.

Yaesu FT-857 - Léptetos elolap gombok. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): ADVANCED FEATURES FOR ACTIVE DXers

• IF Shift:
Use the IF SHIFT feature to vary the center frequency of the IF passband, so as to eliminate interference above or below the current operating frequency.
•IF Noise Blanker:
Optimized for use in the mobileenvironment, the FT-857D includes a highly-effective IF Noise Blanker specifically designed for suppression of ignition and other pulse-type noises. The Noise Blanker's threshold is adjustable via the Menu.
•Intercept Point Optimization (IPO):

For reception on the lower HF bands, where low Noise Figure is not required, the IPO feature causes the RF preamplifier to be bypassed, allowing direct signal input to the first mixer. An input attenuator is also provided for very noisy conditions.
•Adjustable AGC
:
The Automatic Gain Control (AGC) circuitry of the FT-857D's receiver may be adjusted, by the operator, for Slow or Fast recovery times. A convenient "Auto" feature programs "Fast" AGC for CW, and "Slow" for voice modes. And the AGC may also be turned off, if desired, allowing manual gain control from the front panel.
•Clarifier (R.I.T.):
For split-frequency pile-ups or to follow drifting signals, the Clarifier control provides up to +-9.99 kHz of adjustment of the receiver's frequency, without changing the transmit frequency. For wider-split pileups, the "Split" mode allows you to use VFO-A and VFO-B separately, too.
•RF Gain Control :
For noise reduction and/or variation of the AGC system threshold, the Menu allows the front panel's "Squelch" control to operate as an "RF Gain" control.
•VOX:
For hands-free Voice operation, the VOX system includes easy adjustments for both VOX Gain and Delay. A separate setting is also provided for receiver recovery time in the CW mode, as well.

 
 
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): WIDE FREQUENCY COVERAGE
 
Providing transmitter coverage of the HF, 50 MHz, 144 MHz, and 430 MHz Amateur bands, the FT-857D also includes receive coverage on 100 kHz to 56 MHz, 76 to 108 MHz, 118-164 MHz, and 420-470 MHz. Enjoy the excitement of public safety monitoring, along with weather broadcasts, AM and FM broadcasts, aviation communications, as well as the action on the new U.S. 60-meter band!
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): RUGGED, HIGH-OUTPUT TRANSMITTER DESIGN
 
Borrowing extensively from the FT-897 transmitter design, the FT-857D1s rugged power amplifier section utilizes Bipolar Transistor devices, providing low noise, low distortion, and high reliability. On HF and 6 meters, you get 100 Watts of clean power output , while on 2 meters you get 50 Watts out, and 20 Watts on 70 cm. Reliability is assured thanks to the extensive cooling system, featuring a thermostatically-controlled fan and aluminium diecast chassis.    Yaesu FT-857 - Nagy teljesítményu vevo. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)
 
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): HIGH-PERFORMANCE PLL DESIGN

The quite, fast-acting local oscillator system of the FT-857D borrows extensively from the FT-847 and FT-897, using a Direct Digital Synthesizer (DDS) to achieve fast lock times and silky-smooth tuning in steps as fine as 10 Hz. The excellent carrier-to-noise ratio helps preserve spurious-free dynamic range in a crowded band, and the smooth tuning leaves you with the feeling you're using an analog VFO.

 
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): ENHANCED TRANSCEIVER PERFORMANCE THROUGH BUILT-IN DSP
For superior interference rejection and transmitter "talk power", the FT-857D's DSP circuitry enhances both sides of the communications circuit.
The Ft-857D's DSP Unit features a 24-bit high-tech D/A chip for signal processing.
Yaesu FT-857 - DSP egység. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

•DSP BANDPASS FILTER:
Separate DSP Bandpass Filters for Voice and CW augment the analog filters for enhanced interference rejection. For Voice modes, you get 16 High-Pass Filter cutoff frequency selections, and 32 Low-Pass Filter selections, for a total of 512 combinations. And for CW, you may choose bandwidths of 240 Hz, 120 Hz, or a razor-sharp 60 Hz.
•DSP AUTO-NOTCH FILTER:
To reduce interference caused by annoying carriers within the audio passband, the DSP Auto-Notch provides a significant reduction in the interference level. If multiple carriers are present, the DSP will detect and notch all the carriers present.
•DSP NOISE REDUCTION:
The very effective Noise Reduction filter of the FT-857D utilizes as many as 16 noise-reduction algorithmn, for use in a wide variety of noise envitonments, without introducing appreciable distortion on the desired signal. Operator fatigue is reduced, and signal-to-noise ratio is significantly enhanced.
•DSP MICROPHONE EQUALIZER:
To match the Ft-857D's TX audio response to the waveform produced by your voice and the microphone in use, the DSP system includes a four-position Mic Equalizer circuit. The result is increased "talk power" as extraneous frequencies are suppressed allowing all available power to be concentrated into your voice's pattern.

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): CW OPERATING FLEXIBILITY

The FT-857D is without peer in its array of most-asked for features for the CW expert!
•Built-In Electronic Keyer:
The FT-857D's built-in Electronic Keyer includes a weight control, as well as Menu capability to reverse the "Dot" and "Dash" contacts on your connector.
•CW Message Memory with Beacon Mode:
For repetitive "CQ TEST" and contest exchange messages, the FT-857D includes a three-message memory capability. The "Beacon" mode may be used to send a repetitive message out continuously for up to four hours, ideal for 6-meter use during DX-peditions.

•CW Pitch/Sidetone Control:
The CW Pitch control allows the transmitted signal to be offset 400/500/600/700/800 Hz from "zero beat" with the receive frequency. This adjustment simultaneously varies the center frequency of the RX passband (including the DSP BPF), as well as the CW Sidetone pitch. The Sidetone therefore serves as a "Spot" signal during tuning.

•CW Trainer:
A popular feature of the FT-857D is the CW Trainer, which will send five-character letters and/or numbers via the speaker, so you can practice your CW reception even when the bands are dead!

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): EASY DATA-MODE SETUP
For operation on a wide variety of digital modes, including 1200/9600 bps FM packet, RTTY, SSTV, or PSK31, the rear-panel 6-pin mini-DIN connector provides easy to Data I/O lines, plus PTT and Ground. For PSK-31 and other AFSK modes, the injection sideband (USB/LSB) is selectable, along with BFO and Display Shift and Digital "VOX" Gain level.
 
         
2. page
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): ADVANCED CONVENIENCE FEATURES FOR VHF/UHF OPERATION
 
Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): UPGRADE WITH COLLINS MECHANICAL FILTERS FOR SSB AND CW (Optional)
   

A Yaesu The FT-857D is a VHF/UHF operator's dream come true!:

•Versatile Tone Control Selections:
Both CTCSS and DCS Encoder/Decoders are built in! For easy access to repeaters, a 50-tone CTCSS system works along with a 104-code Digital Code Squelch (DCS) in the FT-857D.For applications requiring split CTCSS/DCS access, a convenient "Split Tone" feature is also provided, along with the ability to encode (only) CTCSS or DCS, if desired.
•Automatic Repeator Shift:
On the 144 MHz and 430 MHz bands, the FT-857D will automatically activate the repeater shift appropriate for the part of the band in which you are operating.
•Smart Search:
When visiting a new city, use the Smart Search system to scan the FM/AM Mode for activity. When busy channels are found, they will be automatically loaded into a special Smart Search memory bank, for easy recall.
•Spectrum Scope:
If you have to be away from your radio for a few minutes, turn on the Spectrum Scope to keep watch on band activity. The Spactrum Scope will create a bar-graph display of activity on channels above and below your current operating frequency.
egy adott frekvencia alatt és felett a csatornák aktivitását.

Yaesu FT-857 - Sávtartomáyn figyelo. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

•ARTS™
(Auto-Range Transponder System):

During Search-and-Rescue operations, the ARTS feature will notify you if a field station (for example, a low-power hand-held unit) has gone out of communications range, so you can instruct them to move to a better location.

 

To enhance performance on both receive and transmit, high-performance Collins Mechanical Filter options are available for both SSB and CW. For SSB, the 2.3 kHz, 10-pole YF-122S option provides a very flat passband response, for natural-sounding transmit audio, along with excellent skirt selectivity. And for CW the 500 Hz, 7-pole YF-122C and 300 Hz, 7-pole YF-122CN options help separate signals on a crowded band in a contest.

Yaesu FT-857 - Collins szuro. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)

Yaesu FT-857 (FT 857, FT857): VERSATILE MEMORY SYSTEM!
The FT-857D provides up to 200 "Main" memory channels, each of which may be named with an Alpha-Numeric label of up to eight characters. These 200 Memories may be separated into as many as 10 Memory Groups of 20 Memories each. For added convenience, you also get a "Quick Memory" and a "Home Channel" on each band, plus Five pairs of band-limit memories, to let you restrict operation to a sub-band, if you like.
Yaesu FT-857 (FT 857, FT857): HIGH-RESOLUTION DOT-MATRIX DISPLAY
The large 2.1"x0.69" (53.4x17.2 mm) multi-color display provides easy-to-read indication of many operating functions. The color may be chosen from among 32 different color selections, and may be programmed to show different colors on each band, mode, Memory Group, or even to track signal strength and power output by color!

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): AND MUCH, MUCH MORE...
  • Battery Voltage Meter
  • TX meter Selectiona
    Modulation Level, ALC, Power Output, or SWR
  • Two Antenna Connectors
    Separate jacks for HF/50 MHz and 144/430 MHz, affixed to the rear panel.
  • Large, Easy-to-See TX/RX Status LED
  • Optional High-Stability Reference Oscillator
    The TCXO-9 provides +-0.5 ppm stability at 77°F/25°C for applications requiring very high frequency accuracy.
  • Versatile Scanning Features
    VFO Scan, Memory Scan, Band-Limited Scanning (PMS), Priority Scan and Dual Watch
  • Auto Power-off (APO) and Time-Out Timer (TOT)
  • CAT System Computer Programming capability for DX/contest logging software, etc.

Yaesu FT-857 (FT 857, FT857, FT-857D, FT 857D, FT857D): ACTIVE-TUNING ANTENNA SYSTEM (ATAS-120 OPTION)

Yaesu's patented ATAS-120 Active-Tuning Antenna System provides a compact, yet efficient, automatically-adjusting antenna for mobile, portable, or apartment-balcony use! Utilizing DC voltages fed from the FT-857D, the Yaesu FT-857 - ATAS-120 aktív hangolású antennarendszer. (Yaesu adó-vevok, Tait adó-vevok, Motorola adó-vevok, Icom adó-vevok, 
	Kendoo adóvevo tartozékok, Maxrad antennák, audió kiegészítok, Dazer kutyariasztó forgalmazása)ATAS-120 automatically adjusts its length longer or shorter, with the FT-857D feeding a tiny amount of power for SWR detection by its internal directional coupler. When the best impedance match is found, tuning automatically stops, and operation can begin.
Specifield for operation on the 7/14/21/28 MHz Amateur bands, the ATAS-120 contracts fully for use on the 50/144/430 MHz bands, providing a low SWR for local FM work (where vertical polarization is predominant). And if you're an apartment dweller, use the optional ATBK-100 Antenna Base Kit, which provides an outstanding counterpoise to ensure low-angle radiation on the VHF/UHF bands.



 
 
Yaesu FT-857: General
Frequency Range (Yaesu FT-857):
Receive:
0.1-56 MHz, 76-108 MHz, 118-164 MHz, 420-470 MHz
Transmit:
160 - 6 m, 2 m, 70 cm
(Amateur bands only)
5.1675 MHz
Emission Modes: A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM),
F1 (9600 bps), F2 (1200 bps)
Synthesizer Steps (min.): 10 Hz (CW/SSB), 100 Hz (AM/FMIWFM)
Antenna Impedance: 50 Ohm
Operating Temp. Range: +14 F to +40 F (-10 C to +60 C)
Frequency Stability: ±4 ppm from 1 min. 60 min after power on.@ 25°C: 1 ppm/hour
±0.5 ppm/1 hour @ 25°C, after warmup (with optional TCXO-9)
Supply Voltage: Normal: 13.8 VDC ±15%, Negative Ground
Current Consumption: Squelched: 600 mA (Approx.)
Receive:
1 A
Transmit:
22 A
Case size: 155 x 52 x 233 mm
Weight:  2.1 kg

 

Transmitter (Yaesu FT-857)
RF Power Output (@13.8 V DC):
SSB/CW/FM
AM Carrier
160-6 m:
100W
 25W
2 m:
50W
12.5W
70 cm:
20W
 5W
Modulation Types:
SSB: Balanced Modulator
AM: Early Stage (Low Level)
FM: Variable Reactance
FM Maximum Deviation:
 ±5 kHz (FM-N: ±2.5 kHz)
Spurious Radiation:
-50dB (1.8 - 29.7 MHz)
-60dB (50/144/430 MHz)
Carrier Suppression:
>40 dB
Opp. Sideband Suppression:
>50 dB
SSB Frequency Response:
400 Hz-2600 Hz (-6 dB)
Microphone Impedance:
200-10k Ohm (Nominal: 600 Ohm)

 

Receiver  (Yaesu FT-857)
Circuit Type : Double-Conversion Superheterodyne
(SSB/CW/AM/FM) 
Szuperheterodin (WFM) 
Intermediate Frequencies:  1st: 68.33MHz (SSB/CW/AM/FM); 10.7MHz (WFM)
2nd: 455 kHz
Sensitivity:
SSB/CW
AM
FM
100kHz-l.8MHz
-
32uV
-
1.8MHz-28 MHz
0.2uV
2.0uV
-
28 MHz-30 MHz
0.2uV
2.0uV
0.5uV
50MHz-54MHz
0.125uV
1uV
0.2uV
144/430MHz
0.125uV
-
0.2uV
 
(SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD)
Squelch Sensitivity :
SSB/CW/AM
 FM
100kHz-l.8MHz
-
-
1.8MHz-28 MHz
2.5uV
-
28 MHz-30 MHz
2.5uV
0.32uV
50MHz-54MHz
1uV
0.16uV
144/430MHz
0.5uV
0.16uV
Image Rejection: HF/SO MHz: 70 dB, 144/430 MHz: 60 dB
IF Rejection: 60 dB
Selectivity (-6/-60dB): SSB/CW: 2.2 kHz/4.5 kHz AM: 6 kHz/20 kHz
FM: 15 kHz/30 kHz FM-N: 9 kHz/25 kHz
SSB (optional: YF-1 22S):
2.3 kHz/4.7 kHz (-66 dB)
CW (opction: YF-122C): 500 Hz/2.0 kHz
AF Output: 2.5W (@4ohm, 10% THD or less kevesebb)
AF Output Impedance : 4-16ohm