BD4: Difference between revisions

Latest revision as of 09:57, 26 June 2023

The General Electric BD-4 (P/N 152-0070-00) is a 0.1 mA (@90 mV) Germanium back diode. It has a specified rise time of 0.4 ps.

The BD4 is used in the HF-sync circuit of the 7S14 and trigger circuit of the late 5T1A.

Instrument	Manufacturer	Class	Model	Description	Introduced
5T1A	Tektronix	Plug-in	5T1A	Timing plugin	1963
7S14	Tektronix	Plug-in	7S14	1 GHz dual-trace, delayed-sweep sampler	1974

Tunnel diode switching circuits and the back diode. Service Scope No. 38, June 1966 and No. 39, August 1966

@@ Line 1: / Line 1: @@
-The '''BD-4''', Tek part number 152-0070-00, is a 0.1 mA Germanium [[back diode]]. It is used in the HF-sync circuit of the [[7S14]] and trigger circuit of the late [[5T1A]].
+[[File:BD4 characteristic.png|thumb|400px|right|Characteristics of a [[BD4]] back diode]]
+{{Discrete component
+|Manufacturer=General Electric
+|Model=BD-4
+|Part_nos=152-0070-00
+|Description=0.1 mA (@90 mV) Germanium back diode
+|Used_in=7S14;5T1A;
+}}. It has a specified rise time of 0.4 ps.
+The BD4 is used in the HF-sync circuit of the [[7S14]] and trigger circuit of the late [[5T1A]].
+{{Part usage}}
 ==Links==
@@ Line 8: / Line 19: @@
 Ge back diodes2.png | GE back diodes
 BD1_to_BD7_data.png | BD1 to BD7 back diode data from 1977 GE semiconductor data book
+Bd4 diode.jpg
+Bd4 iv curve.jpg|Tracing BD4 I-V curve on [[576]] in AC mode
+Bd4 iv curve2.jpg|BD4 I-V curve. Center point on graticule is (0V, 0mA).
 </gallery>