From 5bad670835117eb3a8a8ac4e8248c5fe9433cc03 Mon Sep 17 00:00:00 2001
From: Meisam Bahadori <meisambahadori@gmail.com>
Date: Mon, 3 Aug 2026 18:03:27 +0200
Subject: [PATCH] stop adding nominal temperature to a temperature difference

---
 src/spicelib/devices/bjt/bjtnoise.c       | 2 +-
 src/spicelib/devices/dio/dionoise.c       | 2 +-
 src/spicelib/devices/hicum2/hicum2noise.c | 2 +-
 src/spicelib/devices/res/resnoise.c       | 2 +-
 src/spicelib/devices/vbic/vbicnoise.c     | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/spicelib/devices/bjt/bjtnoise.c b/src/spicelib/devices/bjt/bjtnoise.c
index 08888383c..962d0231e 100644
--- a/src/spicelib/devices/bjt/bjtnoise.c
+++ b/src/spicelib/devices/bjt/bjtnoise.c
@@ -85,7 +85,7 @@ BJTnoise(int mode, int operation, GENmodel*genmodel, CKTcircuit *ckt,
                 case N_DENS:
 
                     if (inst->BJTtempGiven)
-                        dtemp = inst->BJTtemp - ckt->CKTtemp + (model->BJTtnom-CONSTCtoK);
+                        dtemp = inst->BJTtemp - ckt->CKTtemp;
                     else
                         dtemp = inst->BJTdtemp;
 
diff --git a/src/spicelib/devices/dio/dionoise.c b/src/spicelib/devices/dio/dionoise.c
index de2ba3793..db06e3a63 100644
--- a/src/spicelib/devices/dio/dionoise.c
+++ b/src/spicelib/devices/dio/dionoise.c
@@ -86,7 +86,7 @@ DIOnoise(int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt,
                 case N_DENS:
 
                     if (inst->DIOtempGiven)
-                        dtemp = inst->DIOtemp - ckt->CKTtemp + (model->DIOnomTemp-CONSTCtoK);
+                        dtemp = inst->DIOtemp - ckt->CKTtemp;
                     else
                         dtemp = inst->DIOdtemp;
 
diff --git a/src/spicelib/devices/hicum2/hicum2noise.c b/src/spicelib/devices/hicum2/hicum2noise.c
index bfc93bf2c..406a76410 100644
--- a/src/spicelib/devices/hicum2/hicum2noise.c
+++ b/src/spicelib/devices/hicum2/hicum2noise.c
@@ -128,7 +128,7 @@ HICUMnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata
                 case N_DENS:
 
                     if (here->HICUMtempGiven)
-                        dtemp = here->HICUMtemp - ckt->CKTtemp + (model->HICUMtnom-CONSTCtoK);
+                        dtemp = here->HICUMtemp - ckt->CKTtemp;
                     else
                         dtemp = here->HICUMdtemp;
 
diff --git a/src/spicelib/devices/res/resnoise.c b/src/spicelib/devices/res/resnoise.c
index 044b0b796..17eea56ec 100644
--- a/src/spicelib/devices/res/resnoise.c
+++ b/src/spicelib/devices/res/resnoise.c
@@ -90,7 +90,7 @@ RESnoise(int mode, int operation, GENmodel*genmodel, CKTcircuit *ckt,
                 case N_DENS:
 
                     if (inst->REStempGiven)
-                        dtemp = inst->REStemp - ckt->CKTtemp + (model->REStnom-CONSTCtoK);
+                        dtemp = inst->REStemp - ckt->CKTtemp;
                     else
                         dtemp = inst->RESdtemp;
 
diff --git a/src/spicelib/devices/vbic/vbicnoise.c b/src/spicelib/devices/vbic/vbicnoise.c
index 3a61ff142..7c7e56b20 100644
--- a/src/spicelib/devices/vbic/vbicnoise.c
+++ b/src/spicelib/devices/vbic/vbicnoise.c
@@ -95,7 +95,7 @@ VBICnoise (int mode, int operation, GENmodel *genmodel, CKTcircuit *ckt, Ndata *
                 case N_DENS:
 
                     if (inst->VBICtempGiven)
-                        dtemp = inst->VBICtemp - ckt->CKTtemp + (model->VBICtnom-CONSTCtoK);
+                        dtemp = inst->VBICtemp - ckt->CKTtemp;
                     else
                         dtemp = inst->VBICdtemp;