Files
Akhil Velagapudi 4413c9d4d9 Deprecate [workspace.members] (#852)
* Hydrate V2 deps during migrate

* Fix mixed hydrated package resolution

* Simplify workspace discovery

* Clean up workspace package discovery naming

* Update stdlib formatting paths
2026-05-27 16:23:57 -04:00

69 lines
1.7 KiB
Python

"""Test for Spice model of Resistor."""
load("../../amplifiers.zen", "sallen_key_lowpass", "voltage_follower")
load("../../interfaces.zen", "Ground", "Net", "Opamp", "Power")
load("../../properties.zen", "Simulation")
load("../../simulation/helpers.zen", "use_ideal_passives")
OperationalAmplifier = Module("../../generics/OperationalAmplifier.zen")
VP = Power()
VN = Power()
INPUT = Net()
PROBE = Net()
GND = Ground()
OPAMP = sallen_key_lowpass(
name="OPAMP",
frequency="10MHz 0.1%",
GND=GND,
IN=INPUT,
OUT=PROBE,
)
OperationalAmplifier(
name="OPAMP",
VP=VP,
VN=VN,
OPA1=OPAMP,
)
Simulation(
name="test_SallenKey",
modifiers=[use_ideal_passives()],
setup=f"""
* Ground node
* Positive and negative rails
V1 {VP} {GND} DC 12V
V2 {VN} {GND} DC -12V
* Input stimulus for AC analysis. 0V - 1.8V (centered at 0.9V, 0.9V peak AC)
V3 {INPUT} {GND} DC 0.9 AC 0.9
.control
* AC analysis from 1Hz to 10kHz with 10 points per decade
ac dec 200 1 10g
* Save output as SVG
set hcopydevtype = svg
* AC magnitude response plot
hardcopy output/sallenkey_magnitude.svg vdb({PROBE}) title "Sallen Key AC Response" xlabel Frequency ylabel "Magnitude (dB)"
* AC phase response plot
hardcopy output/sallenkey_phase.svg vp({PROBE}) title "Sallen Key Phase Response" xlabel Frequency ylabel "Phase (degrees)"
.endc
""",
)
# pcb:sch OPAMP.U x=392.7000 y=62.5000 rot=0
# pcb:sch OPAMP_C1.C x=435.8800 y=-64.5000 rot=270
# pcb:sch OPAMP_C2.C x=270.7800 y=240.3000 rot=0
# pcb:sch OPAMP_R1.R x=103.1400 y=75.2000 rot=270
# pcb:sch OPAMP_R2.R x=230.1400 y=75.2000 rot=270
# pcb:sch GND.1 x=278.4000 y=354.6000 rot=0
# pcb:sch VN_VCC.1 x=435.8800 y=214.9000 rot=180
# pcb:sch VP_VCC.1 x=435.8800 y=24.4000 rot=0