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ATTENUATOR.sch
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ATTENUATOR.sch
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EESchema Schematic File Version 4
LIBS:generator_5351_rect_sine-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 18 23
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L petr_kicad:PE4306 U1801
U 1 1 5AF80C51
P 5700 4050
F 0 "U1801" H 5700 4837 60 0000 C CNN
F 1 "PE4306" H 5700 4731 60 0000 C CNN
F 2 "petr_kicad:QFN-20-1EP_4x4mm_Pitch0.5mm" H 5700 3650 60 0001 C CNN
F 3 "http://www.psemi.com/pdf/datasheets/pe4306ds.pdf" H 5700 3650 60 0001 C CNN
1 5700 4050
1 0 0 -1
$EndComp
$Comp
L Device:R R1801
U 1 1 5AF80CCD
P 4700 3650
F 0 "R1801" V 4493 3650 50 0000 C CNN
F 1 "10k" V 4584 3650 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.33x1.40mm_HandSolder" V 4630 3650 50 0001 C CNN
F 3 "~" H 4700 3650 50 0001 C CNN
1 4700 3650
0 1 1 0
$EndComp
Wire Wire Line
4850 3650 5150 3650
Text HLabel 5150 3750 0 50 UnSpc ~ 0
IN
Text HLabel 6250 4250 2 50 UnSpc ~ 0
OUT
Text HLabel 5150 4250 0 50 UnSpc ~ 0
GND
Text HLabel 5150 4350 0 50 UnSpc ~ 0
GND
Text HLabel 5150 4550 0 50 UnSpc ~ 0
GND
Text HLabel 6250 4550 2 50 UnSpc ~ 0
GND
Text HLabel 6250 4450 2 50 UnSpc ~ 0
GND
Text HLabel 6250 3850 2 50 UnSpc ~ 0
GND
Text HLabel 6250 3550 2 50 UnSpc ~ 0
GND
Text HLabel 5150 4150 0 50 UnSpc ~ 0
SUPPLY
Text HLabel 5150 4450 0 50 UnSpc ~ 0
SUPPLY
$Comp
L Device:C_Small C1801
U 1 1 5AF92568
P 7100 3700
F 0 "C1801" H 7008 3654 50 0000 R CNN
F 1 "1n" H 7008 3745 50 0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.33x1.40mm_HandSolder" H 7100 3700 50 0001 C CNN
F 3 "~" H 7100 3700 50 0001 C CNN
1 7100 3700
-1 0 0 1
$EndComp
$Comp
L Device:C_Small C1802
U 1 1 5AF925C7
P 7600 3700
F 0 "C1802" H 7692 3746 50 0000 L CNN
F 1 "100n" H 7692 3655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.33x1.40mm_HandSolder" H 7600 3700 50 0001 C CNN
F 3 "~" H 7600 3700 50 0001 C CNN
1 7600 3700
1 0 0 -1
$EndComp
Text HLabel 7100 3800 3 50 UnSpc ~ 0
GND
Text HLabel 7600 3800 3 50 UnSpc ~ 0
GND
Text HLabel 7100 3600 1 50 UnSpc ~ 0
SUPPLY
Text HLabel 7600 3600 1 50 UnSpc ~ 0
SUPPLY
Text Notes 3900 3250 0 50 ~ 0
The 10k resistors serve as a protection\nagainst "package resonance". Awful.
$Comp
L Device:R R1802
U 1 1 5AF927AA
P 4700 3850
F 0 "R1802" V 4815 3850 50 0000 C CNN
F 1 "10k" V 4906 3850 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.33x1.40mm_HandSolder" V 4630 3850 50 0001 C CNN
F 3 "~" H 4700 3850 50 0001 C CNN
1 4700 3850
0 1 1 0
$EndComp
Wire Wire Line
4850 3850 5150 3850
Text HLabel 6250 3950 2 50 UnSpc ~ 0
GND
Text HLabel 6250 4050 2 50 UnSpc ~ 0
GND
Text HLabel 6250 4150 2 50 UnSpc ~ 0
GND
Text HLabel 6250 3750 2 50 UnSpc ~ 0
GND
Text HLabel 6250 3650 2 50 UnSpc ~ 0
GND
Text HLabel 6250 4350 2 50 UnSpc ~ 0
SUPPLY
Text HLabel 4550 3650 0 50 UnSpc ~ 0
GND
Text HLabel 4550 3850 0 50 Input ~ 0
DATA
Text HLabel 5150 3950 0 50 Input ~ 0
CLK
Text HLabel 5150 4050 0 50 Input ~ 0
LE
$EndSCHEMATC