diff --git a/code/modules/research/designs/circuits/circuits_ch.dm b/code/modules/research/designs/circuits/circuits_ch.dm
index 68d9ca3cf8..6f2ca630c2 100644
--- a/code/modules/research/designs/circuits/circuits_ch.dm
+++ b/code/modules/research/designs/circuits/circuits_ch.dm
@@ -24,4 +24,31 @@
 	id = "scarab_targ"
 	req_tech = list(TECH_DATA = 4, TECH_COMBAT = 2)
 	build_path = /obj/item/weapon/circuitboard/mecha/scarab/targeting
-	sort_string = "SAAAC"
\ No newline at end of file
+	sort_string = "SAAAC"
+
+/datum/design/circuit/mecha/phazon_main
+	name = "'Phazon' central control"
+	id = "phazon_main"
+	req_tech = list(TECH_BLUESPACE = 5, TECH_MAGNET = 6, TECH_PHORON = 3, TECH_ARCANE = 1)
+	materials = list(MAT_GLASS = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("sacid" = 20)
+	build_path = /obj/item/weapon/circuitboard/mecha/phazon/main
+	sort_string = "PAADA"
+
+/datum/design/circuit/mecha/phazon_peri
+	name = "'Phazon' peripherals control"
+	id = "phazon_peri"
+	req_tech = list(TECH_BLUESPACE = 5, TECH_MAGNET = 6, TECH_PHORON = 3, TECH_ARCANE = 1)
+	materials = list(MAT_GLASS = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("sacid" = 20)
+	build_path = /obj/item/weapon/circuitboard/mecha/phazon/peripherals
+	sort_string = "PAADB"
+
+/datum/design/circuit/mecha/phazon_targ
+	name = "'Phazon' weapon control and targeting"
+	id = "phazon_targ"
+	req_tech = list(TECH_BLUESPACE = 5, TECH_MAGNET = 6, TECH_PHORON = 3, TECH_ARCANE = 1, TECH_COMBAT = 5)
+	materials = list(MAT_GLASS = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("sacid" = 20)
+	build_path = /obj/item/weapon/circuitboard/mecha/phazon/targeting
+	sort_string = "PAADC"