Kenwood DG 5 Schematic

Page 1

SCHEMATHEEK
Beh. T'. Hultermans
Postbus 4228
5604 EE Eindhoven

SPECIFICATIONS
Countable Digits Six decimal digits.
Type Light-emitting diode frequency display with hold memory.

DISPLAY (in combination with TSs52OS)

Frequency Range All TS~52OS transmit and receive channel frequencies as
. precise as 0.1 kHz digit.

Accuracy Reference time $0.2 count.

Input TS-S2OS heteryodne local oscillator signal, VFO signal, and

all carrier oscillator signals.

COUNTER
Measurable Frequency Range 100 Hz to 40 MHz
Input Sensitivity 50 mV r.m.s. at 10 kHz to 10 MHz
(at Room Temperature) 200 mV r.m.s. at 100 Hz to 40 MHz
Absolute Max. Input 200V (DC + peak).
Level 5V r.m.s. (continuous at 100 Hz to 40 MHz).
Input Impedance Approx. 5 k9,, less than 22pF.
Accuracy Reference time t0.1 count.
Count Time 0.1 sec.
Least Significant Digit 0.1 kHz.

REFERENCE TIME

Frequency IO MHz

. Error Less than 1 X 10-5 (at room temperature).
Temperature Stability Greater than 3 X 10-5 (at 0°C to +50°C).
Aging Rate Lower than 1 X 10-6/rnonth (at room temperature).
GENERAL
Ambient Temperature -10°C to +50°C.
Power Supplied from TS-52OS.
External Power 12 to 16V, 0.9A DC (with 13.8V reference).
Dimensions 167mm {6-9/16") wide X 260 mm (10-1/64)

[268mm (104116"), max.] deep X (1-37/64")
[43mm {1-11/16"), max.l high
Net Weight 1.27 kg (2.8 lbs.)
Semiconductors Used 42 le, 31 transistors, 19 diodes, 3 two-digit LEDs, and

Bah. T. Hu/termans
Postbus 422.9 9

5604 EE Eindhoven