Parts List

Sweeper

U1 - ADC0804 Analog to Digital Converter

U2 - 74AS869 8 bit Counter

U3 - 74HC688 8 bit Comparator

U4 - 74LS393 or 74HC393 Dual 4 bit Counter

U5 - LM358 Dual Opamp

U6 - LM358 Dual Opamp

U7 - MCT-2 Optical Isolator

1 - LM336 2.5 volt Reference Diode

1 - 2N3904 NPN transistor

2 - 1N914 diodes

1 - 10k 3 turn linear taper pot (Marker Position)

3 - 10k linear taper pot (Max,Min,Marker Intensity)

2 - 10k trimpot

1 - 4 position DIP switch (Sweep Speed)

1 - SPDT Momentary, center off toggle switch (Min/Max)

1 - SPST pushbutton switch (Spot)

1 - 220 ohm 1/4 w resistor

1 - 1000 ohm 1/4 w resistor

1 - 2200 ohm 1/4 w resistor

7 - 10k ohm 1/4 resistor

1 - 10k ohm 9 pin SIP pull up resistor

1 - 1k ohm 16 pin, 8 resistor DIP

1 - 2k ohm 16 pin, 8 resistor DIP

1 - 220pf disc capacitor

1 - DB9 female chassis mount connector

2 - BNC chassis mount connector

Logamp and Power Supply

1 - AD8307 Logarithmic Amplifier

1 - 22 ohm 1/4 w resistor

1 - 2000 ohm 1/4 w resistor

1 - .001 mfd 50 volt disc capacitor

3 - .1 mfd 50 volt disc capacitor

2 - BNC chassis mount connectors

1 - 7805 5 volt regulator

1 - 7812 12 volt regulator

1 - 7912 -12 volt regulator

1 - 1000 mfd 35 volt electrolytic capacitor

2 - 2200 mfd 35 volt electrolytic capacitor

3 - 33 mfd 50 volt electrolytic capacitor

2 - 100 volt 1 amp DIP bridge rectifier

1 - 12.6 vct 500 ma power transformer (Jameco part number - 102533)

1 - 24 vct 250 ma power transformer (Jameco part number - 176090)

Sweep Oscillator (VFO

1 - 74LS624 Voltage Controlled Oscillator

1 - 1N5231 or equiv. 5.1 volt 1 w zener diode

1 - 1000 ohm 1/4 w resistor

2 - 10k ohm linear taper pot

1 - .1 mfd 50 volt disc capacitor

1 - 39 pf silver mica capacitor

1 - 100 pf silver mica capacitor

1 - 220 pf silver mica capacitor

1 - 500 pf silver mica capacitor

1 - 1000 pf silver mica capacitor

2 - BNC chassis mount connectors

1 - 5 position rotary switch

1 - DB9 male chassis mount connector

Parts Suppliers

Jameco Electronics www.jameco.com

Digi-Key Electronics www.digi-key.com

Newark Electronics www.newark.com