Icom IC-7000 Modification Instruction

This circuit what we can do with a pcb assay due to its simplicity. Then presenting an diagram of this microphone
preamplifier extremely easy to construction:
The pieces withdrawn from the microphone hand. The
electret capsule and SMD capacitor.

Rear View from the original capsule.
Detail of thickness of this capsule.
GND
BFin
BFout

Icom IC-7000 Specifications

General

Input voltage	13.8 V
Microphone included	Yes
Product type	Portable CB radio
Product color	Black
Housing material	-
Frequency range	0.5 - 455000 MHz
Channels quantity	503 channels

Weight and Dimensions

Depth	180 mm
Width	167 mm
Height	58 mm