Instruction Manual

DANIELS

ELECTRONICS

VT-3A130 Amplifier Instruction Manual 6-1

6 REVISION HISTORY

ISSUE

DATE

DESCRIPTION

AND

(REASON)

1 May 97 • First Issue.

2 Mar 98 • To improve the performance at -40˚C. ECO #546.

C35 was 2.2µF now not installed.

R19 was 274R now not installed.

R20 was 274R now not installed.

R21 was 18R2 now 0R00.

PCB was 50048-01 now 50048-02.

3 Mar 98 • Updated the PCB to make it easier to assemble. ECO #551.

PCB was 50048-02 now 50048-03.

4 Mar 00 • Corrected the instruction manual part number on the title page.

Part number was IM20-VT3A130AMP now IM22-VT3A130AMP

• The Amplifier is now capable of working over the whole AM Frequency

band (118 – 138 MHz) without being re-tuned.