SD-1000
SD-1000 Two Tone Decoder
No longer available
Specifications:
- Powered by 10 to 16 vdc @15ma.
- Frequency accuracy ±.1Hz maximum over -40°C to +85°C temperature range.
- Tone frequency range from 250.0Hz to 3000.0Hz. (see versions below)
- Input sensitivity 15mv to 1v rms

SD-1000A, All tones in Motorola Groups 1,2 & 3
SD-1000B, All tones in Motorola Groups 4,5 & 6
SD-1000C, All tones in Motorola Groups A,B & Z
SD-1000D, All tones in General Electric A,B & C
SD-1000E, Any 32 tones or group combinations.
Features:
- Tone duration for A & B tone can be increased or decreased (1sec, 3sec standard).
- Both Latched and Momentary open collector transistors are onboard.
- Momentary output is valid any time the proper tone sequence is detected.
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SD-1000 Instructions | Application information
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