This manual contains the information necessary for operating
and servicing the standard Model 465A Amplifier and the Model
465A/Option 01 Amplifier (rear input connectors in parallel
with front panel connectors),
The -hp- Model 465A is a general-purpose
amplifier, andan ideal impedance converter (10 meg
ohms to 50 ohms). This amplifier has extremely stable
20 db or 40 db gain over a continuous frequency range
of 5 cps to 1 megacycle. Either gain maybe selected
quickly with a switch on the front panel.
stage provides low output impedance and wide dynamic
The -hp- 465A is a three-terminal device
isolated from chassis and may be floated up to 500
volts de above chassis ground.
1-3. INSTRUMENT IDE NTIFICATION.
serial number (000-00000). If the first three digits
of the serial number on your instrument do not agree
with those on the title page of this manual, change sheets
supplied with the manual will define
between your instrument and the Model 465A described
in this manual.
1-5. If the first three digits of the two-section,
eight-digit serial number are prefixed with an E or
G, your instrument was produced in Europe.
EOOO-OOOOO serial number indicates that the instru
ment was manufactured in England; a GOOO-OOOOO
serial number indicates that the instrument was
manufactured in Germany.
Paragraphs 1-1 to 1-5
Hewlett-Packard uses a two-section, eight-digit