microHAM: DIGI KEYER - Specifications

Technical Specifications:

USB: USB 1.1 and 2.0 compatible

Power consumption: USB side - less than 100mA
Transceiver side less than 200mA at 13.5V (max. 16V)

Radio Port: RxD, TxD, max. 57,600 Baud
- levels: TTL, inverted TTL, open collector bus, RS232

CW: open collector, max 30V/400mA

FSK: open collector, max 30V/400mA
- supported 5/6/7/8bit data length, 1/1.5/2 stop bit, up to 300 Baud

PTT: open collector, max 30V/100mA

PA PTT: selectable by jumper
- open collector, max. 48V/1.5A
- relay contact, max. 125VAC/2A 60VDC/2A

LNA PTT: selectable by jumper
- open collector, max. 48V/1.5A
- relay contact, max. 125VAC/2A 60VDC/2A

Audio Out:
- single channel (left)
- output impedance:600 Ohm
- output level: 4V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 6KHz typical
- Sampling rates: 32000, 44100, and 48000 Hz

Audio In:
- dual channel (stereo)
- input impedance: 50k Ohm
- input level: 4V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 6KHz typical
- Sampling rates: 8000, 11025, 16000, 22050, 32000, 44100, and 48000 Hz

Dimensions: W 165mm (6.5") x H 44mm (1.75") x D 110mm (4.38")

Weight: 1100g (2.4 lbs.)

Requirements:

Minimum - 800 MHz IBM PC compatible computer with Windows XP, 256 MB RAM, CD-ROM, USB1.1 port, Transceiver, logger or control software (any).

Recommended - 2 GHz PC with Windows XP or higher, 512MB RAM, CD-ROM, USB2.0 port, Transceiver with computer port, logger or control software (any)

Also Supported - Apple G4 or better and OS 10.3 or later with MacLoggerDX from Dog Park Software, Ltd.

Note: Windows 98 (all versions) and Windows 2000 are no longer supported.

Front panel

1 - Power
        Indicates when interface is receiving power

2 - CW Speed
        WinKey speed control

3 - CW
        LED flashes when CW output is active.

4 - Q-CW/P-FSK
        LED flashes with right channel audio On/Off keying

5 - TX
        Transmit audio level

6 - FSK
        LED blinks with FSK outupt (On indicates "closed" regardless of polarity)

7 - PTT
        LED lights when PTT is active.

8 - RX Main
        Adjusts main receiver audio level (left channel)

9 - Line
        LED lights when sound card Line input is active

10 - SC
        LED flashes when application opens sound card for output.

11 - RX Sub
        Adjusts sub receiver audio level (right channel)

12 - SQL
        LED indicates transceiver squelch status (where available)

Rear panel

1 - Radio
       DB15F connector for radio interface.

2 - u2R Mic
       3.5mm jack for microphone input from micro2R only.

3 - RADIO
       USB B connector for computer connection.

4 - Sub Rx
       3.5 mm connector for audio from a second receiver.

5 - USB
       MiniDIN-6 for a PS/2 Keyboard or keypad, FH-2 style keypad or CI-V output.

6 - PTT IN
       RCA for transceiver PTT output (amplifier PTT)

7 - PA PTT
       PTT output for amplifier

8 - Ground
       Terminal for ground lug

9 - u2R Out
       3.5mm jack for output to micro2R only.

10 - Paddle
        6.3mm (1/4") stereo jack for keyer paddles (tip is left paddle).

11 - FOOTSW
        Optional foot switch or hand PTT input.

12 - LNA PTT
        PTT output for bypassing a Low Noise Amplifier (Receiver preamplifier).

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