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KEYING
Speed
Keyer Output
GENERAL
Audio
Sidetone
Controls
Front panel
Internal
Rear Panel Connections
Solid-State Complement
Diodes
Transistors
Integrated circuits
Temperature Range
Power Requirements
AC operation
Battery operation
Dimensions (overall)
Net Weight
SPECIFICATIONS
Variable from less than 10 to over 60 words per minute. (alternate
connection for less than 10 to over 35 words per minute.)
Positive line to ground:
Max. voltage, open circuit or spikes – 300 V, max. current – 200 mA.
Negative line to ground:
Max. voltage, open circuit or spikes – 200 V, max. current – 10 mA.
Internal speaker or high impedance (at least 500 Ω) headphone jack.
Frequency internally adjustable from approximately 500 to 1000 Hz.
Speed/Pull to Hold; On-Off/Volume.
Sidetone frequency; Paddle tension; Paddle travel.
Power cord; Keyer output; Headphones; External 12 Volt; Receiver
audio; External key.
5 × 1N4002 silicon
3 × GD510 germanium
2 × 1N2071 silicon
1 × 1N709A zener
1 × X29A829 PNP
3 × MPS-A20 PNP
1 × MPS-D51 PNP
2 × MPS-A42 NPN
1 × D40C1 Darlington
2 × 7400 Quad 2-input, positive NAND gate
1 × 7402 Quad 2-input, positive NOR gate
1 × 7410 Triple 3-input, positive NAND gate
1 × 7473 Dual J-K Master-Slave Flip Flop
0 °C to 40 °C (Typical: –10 °C to 40 °C)
120 V ±10 % or 240 V ±10 %. AC, 50/60 Hz, 3.5 W
10 to 14.5 VDC, negative ground, 150 mA
5" wide × 3" high × 7.4" deep (12.7 cm × 7.62 cm × 18.8 cm)
2.75 lbs (1.25 kg)
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