Blending leading-edge technologies developed on the FT-897 and MARK-V FT-1000MP transceivers, the FT-857 is the world's smallest* HF/VHF/UHF Multimode Transceiver, and it's available now! *Jan. 2003 ULTRA-COMPACT HF/VHF/UHF 100 W* ALL-MODE TRANSCEIVER (HF/6 m 100 W, 2 m 50 W, 70 cm 20 W) FT-857 ACTUAL SIZE 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. Wide frequency coverage, outstanding receiver performance, and the convenience of remote-head operation* make the FT-857 the expert's choice for high-performance mobile operation! *Optional YSK-857 Separation Kit required ULTRA COMPACT DESIGN Measuring just 6.1" x 2" x 9.2" (155 x 52 x 233 mm), the FT-857 is the world's smallest full-power HF/VHF/UHF multimode transceiver! Its rugged case design is a masterpiece of ergonomic design, with oftenused switches and knobs conveniently positioned for RUGGED, HIGH-OUTPUT TRANSMITTER DESIGN Borrowing extensively from the FT-897 transmitter design, the FT-857's 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 cooling extensive system, featuring a thermostatically-controlled Actual Size OPTIONAL REMOTE MOUNTING KIT For mobile operation where mounting space is very limited, the optional YSK-857 Separation Kit allows the front panel to be remotely mounted on your dashboard, with the transceiver stashed away in available space. Data is transferred between units at a lightning-fast rate of 31.25 k/bps, for seamless remote ULTRA-COMPACT HF/VHF/UHF 100 W* ALL-MODE TRANSCEIVER (HF/6 m 100 W, 2 m 50 W, 70 cm 20 W) FT-857 TX POWER OUTPUT (SSB,CW,FM) HF / 6 m 2m 5W ~ 100W 5W ~ 50W 70 cm 2W ~ 20W HIGH-PERFORMANCE RECEIVER DESIGN Building on the acclaimed performance of the FT-1000D, Mark-VFT-1000MP, and FT-897, Yaesu's engineers have crafted the FT-857's front end for a very low noise floor, along with wide dynamic range. Utilizing an up-conversion architecture for HF with a first IF of 68.33 MHz, the FT-857 features a double-conversion superheterodyne system (single conversion on WFM), with the 2nd IF at 455 kHz. Extensive bandpass filtering in the front end, along with careful device selection and gain distribution, yield a receiver system ready for the strongsignal challenges of today's crowded bands! On VHF and UHF the verylow-noise MOS FET preamplifier is followed by an active DBM mixer, yielding the low noise figure required for weakWIDE FREQUENCY COVERAGE Providing transmitter coverage of the HF, 50 MHz, 144 MHz, and 430 MHz Amateur bands, the FT-857 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 Ham bands! ENHANCED TRANSCEIVER PERFORMANCE THROUGH DIGITAL SIGNAL PROCESSING (Optional DSP-2 Unit Required) HIGH-PERFORMANCE PLL DESIGN The quiet, fast-acting local oscillator system of the FT-857 borrows extensively from the FT-847 and FT-897, using a Direct Digital Synthesizer (DDS) to achieve fast lock times and silkysmooth 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 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-857 is enhanced by the large diameter 1.7" (Ø43 mm) Main Tuning Dial (10 Hz steps minimum), similar in size to the tuning knob of many base station rigs. 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-857 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 Multi Function Keys A key B key AB A=B MFa (VFO A/B /Selection) (Equalize VFOs A/B) MFb MFc MFd MFe* MFe MFf MFg MFh MFi MFj MFk MFl MFm MFn MFo MFp MFq (Write to Memory) (Quick Memory Store) (Repeater On/Off) (CTCSS/DCS On/Off) (Split Tone Encode) (ARTSTM On/Off) (Scan Start) (Spectrum Scope) (Meter Mode) (CW Spot) (ATU/ATAS On/Off) (Noise Blanker On/Off) (RX Preamp On/Off) (RX Normal Fltr.) (Keyer Mem. 1) (DSP Noise Fltr.) (SQL Disable) For superior interference rejection and transmitter "talk power," the FT-857's DSP circuitry enhances both sides of the communications circuit. The FT-857's DSP Unit features a 24-bit high-tech D/A chip for signal processing. 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-857 utilizes as many as 16 noise-reduction algorithms, for use in a wide variety of noise environments, 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 FT857's TX audio response to the waveform produced by your voice and the microphone in General use, the DSP system includes a four-position Mic Frequency Range: Equalizer circuit. The resultMHz,increased 420-470 MHz Receive: 0.1-56 MHz, 76-108 is 118-164 MHz, "talk power" as : extraneous 2 Meters, Transmit 160 - 6 Meters, frequencies are suppressed, allowing all available bands only) be 70 Centimeters (Amateur power to concentrated into your(Alaska Emergency Frequency/USA Version) 5167.5 kHz voice's pattern. 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 mobile environment, the FT-857 includes a highlyeffective 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-857'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 wider­split pileups, the "Split" mode allows you to use VFO-A and VFOB 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 CW OPERATING FLEXIBILITY The FT-857 is without peer in its array of mostasked-for features for the CW expert! ·Built-In Electronic Keyer : The FT-857'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-857 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 6meter 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-857 is the CW Trainer, which will send five-character letters and/or numbers via the speaker, so you 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 Sensitivity: SSB/CW AM FM 100 kHz-1.8 MHz -- 32 µV -- 1.8 MHz-28 MHz 0.2 µV 2 µV -- 28 MHz-30 MHz 0.2 µV 2 µV 0.5 µV 50 MHz-54 MHz 0.125 µV 1 µV 0.2 µV 144/430 MHz 0.125 µV -- 0.2 µV (SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD) Squelch Sensitivity: SSB/CW/AM FM 100 kHz-1.8 MHz -- -- 1.8 MHz-28 MHz 2.5 µV -- 28 MHz-30 MHz 2.5 µV 0.32 µV 50 MHz-54 MHz 1 µV 0.16 µV 144/430 MHz 0.5 µV 0.16 µV Image Rejection: HF/50 MHz: 70 dB, 144/430 MHz: 60 dB IF Rejection: 60 dB Selectivity (­6/­60 dB): 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-122S installed): 2.3 kHz/4.7 kHz (-66 dB) CW (option YF-122C installed): 500 Hz/2.0 kHz AF Output: 2.5 W (@4 Ohms, 10% THD or less) AF Output Impedance: 4-16 Ohms ADVANCED CONVENIENCE FEATURES FOR VHF/UHF OPERATION The FT-857 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-857. 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 Repeater Shift : On the 144 MHz and 430 MHz bands, the FT-857 will automatically activate the repeater shift appropriate for the part of the band in which you are operating. ·Smart SearchTM : 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 SearchTM 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 Spectrum Scope will create a bar-graph display of activity on channels above and below your current operating frequency. ·ARTSTM(Auto-Range Transponder System) : During Search-and-Rescue operations, the ARTSTM ACTIVE-TUNING ANTENNA SYSTEM (ATAS-120 Option) Yaesu's patented ATAS-120 Active-Tuning Antenna System provides a compact, yet efficient, automaticallyadjusting antenna for mobile, portable, or apartment-balcony use! Utilizing DC voltages fed from the FT-857, the ATAS-120 automatically adjusts its length longer or shorter, with the FT-857 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. Specified for operation on the 7/14/21/28 MHz Amateur bands, the ATAS120 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. VERSATILE MEMORY SYSTEM! The FT-857 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 ...