microHAM : microKEYER - Specifications

Technical Specifications:

USB: USB 2.0 Full speed , USB 1.1 compatible

Power consumption:
           USB: up to 100mA
           External: 400 mA (16 V max)

Radio Port: RXD, TXD, (RTS, CTS) max. 57600Bd
- levels: TTL, inverted TTL, open collector bus, RS232

Aux Port: TTL RxD, TxD - 9600 baud maximum

CI-V Port: open collector bus - 9600 baud

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 Bd

PTT1: open collector, max 30V/100mA

PTT2: open collector, max 30V/400mA

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

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

Foot Switch: input, active when closed to ground, max. 5 mA

Audio Out:
- single channel (left)
- output impedance:600 Ohm
- output level: 4V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 6KHz typical

Audio In:
- dual channel (stereo)
- input impedance: 50k Ohm
- input level: 4V p-p (max)
- AC coupled
- 3dB bandwidth: 0.2 - 6KHz typical

Dimensions: W 232mm (9.125") x H 44mm (1.73") x D 105mm (4.125")

Weight: 1300g (1.875 lbs)

Requirements:

Minimum - 800 MHz IBM PC compatible computer with Windows 2000, 456 MB RAM, CD-ROM, USB1.1 port, Transceiver, logger or control software (any)

Recommended - 1.6 GHz PC with Windows XP or higher, 512 MB RAM, CD-ROM, CD-ROM, USB2.0 port, Transceiver with computer port, CW paddle, PS/2 keypad, logger or control software (any)

Note: Windows 98 (all versions) is not supported.

Front panel

1 - Ext Mic
Connection for headset mic, e.g. Heil ProSet
3.5 mm stereo - jumper select
TIP - Dynamic Mic RING - Electret Mic/Bias   SHELL - GND

2 - CW
LED flashes with CW output

3 - PTT1
LED lights when PTT1 (microphone connector) is active.

4 - SC
LED lights when Soundcard is generating PTT.

5 - FSK
LED flashes with FSK output.

6 - PTT
LED lights when PTT2 (transceiver accessory connector) is active.

7 - LINE
LED indicates "Line input" (receiver audio) is active

8 - POWER
LED lights when +13.8V is applied (power switch on).

9 - CW Speed
WinKey speed control.

10 - TX
Audio level to transmitter.

11 - RX Main
Audio level from Main Receiver (left channel).

12 - RX Sub
Audio level from Sub Receiver (right channel).

Rear panel

1 - DC 13.5V
Power Supply - 2.1 x 5.5 mm coaxial jack, center is +

2 - MONI
Output for monitor speaker

3 - MIC
RJ45 jack for microphone. If your original radio microphone ends with connector other than an RJ45 plug, use the adapter from cable set.

4 - RADIO
DB37F connector for radio interconnections.

5 - MKD
Not Used.

6 - USB
USB B connector for computer connection. Standard USB A-B cable.

7 - CI-V
Auxiliary CI-V output for controlling external devices using Icom transceive protocol

8 - iLINK
MiniDIN-6 for external control applications.

9 - PTT IN
Transceiver PTT Out (Send) connection for sensing when transceiver has been switched to transmit by VOX or CAT PTT.

10 - PA PTT
PTT output for Power Amplifier. RCA jack
TIP - Signal   SHELL - GND

11 - GND
Terminal for connection to station ground.

12 - SUB RX
Audio input from transceiver (second receiver - right channel).

13 - POWER
Power Switch

14 - PADDLE
6.3mm (1/4") stereo female for paddle input.
TIP - DIT   RING - DAH   SHELL - GND
Paddle sense can be reversed by software

15 - PS/2
MiniDIN6 for PS/2 keyboard or PS/2 keypad.

16 - FOOTSW
RCA foot switch input. Active when closed to ground.
TIP - Signal   SHELL - GND

17 - LNA PTT
PTT output for controlling Low Noise Preamplifier or Receive antenna switching.
RCA jack TIP - Signal SHELL - GND

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