From 89a48e7d734e593be310c5dfaebcb650439b32dc Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Tue, 29 Nov 2022 15:47:23 +0100
Subject: [PATCH] simple example for derivative in B source

---
 examples/ddt/ddt-test1.cir | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 examples/ddt/ddt-test1.cir

diff --git a/examples/ddt/ddt-test1.cir b/examples/ddt/ddt-test1.cir
new file mode 100644
index 000000000..4a07d3503
--- /dev/null
+++ b/examples/ddt/ddt-test1.cir
@@ -0,0 +1,14 @@
+dd test
+
+V1 1 0 dc 0 pulse 0 2 0 1 1 1 4
+
+B2 2 0 v = ddt(V(1))
+
+.tran 1m 8
+
+.control
+run
+plot v(1) v(2)
+.endc
+
+.end