Ref.

Part Number

Description of Parts

Functional Description of Parts

D001

DDE2-1K60

RF Diode (1N60)

RF Detector for Noise Blanker circuit

D002

DDE2-1K60

RF Diode (1N60)

RF Detector for Noise Blanker circuit

D003

DDE1N4148

Switch Diode (1N4148)

Switching Diode for NB noise shunting transistor TR7

D004

DDE1N4148

Switch Diode (1N4148)

Switching Diode - disable AM IF in SSB Mode

D005

DDE1N4148

Switch Diode (1N4148)

Switching Diode - disable 2nd Mixer in SSB Mode

D006

DDE1N4148

Switch Diode (1N4148)

Switching Diode - disable 2nd Mixer in TX mode

D007

DDE1N4148

Switch Diode (1N4148)

Switching Diode - voltage gating - Rx AGC

D008

DDE1N4148

Switch Diode (1N4148)

Switching Diode - SSB AGC attack time control

D009

DDE1N4148

Switch Diode (1N4148)

Switching Diode - AMAGC attack time control

D010

DDE2-1K60

RF Diode (1N60)

IF Level Detector - for Rx Signal Meter and AGC

D011

DDE2-1K60

RF Diode (1N60)

IF Level Detector - for Rx Signal Meter and AGC

D012

DDE1N4148

Switch Diode (1N4148)

Switching Diode - voltage gating for Signal Meter signal

D013

DDE1N4148

Switch Diode (1N4148)

Switching Diode - voltage gating

D014

DDE1N4148

Switch Diode (1N4148)

Switching Diode - voltage gating

D015

DDEMI301

Pin Diode

Protect Receiver Front end from excessive signal

D016

DDEMI301

Pin Diode

Protect Receiver Front end from transmitter signal

D017

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Enable SSB IF path in SSB Mode

D018

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Provide 10.695MHz signal to TX mixer in AM Tx Mode

D019

DDE1N4148

Switch Diode (1N448)

Switching Diode - Provide 10-.695MHz signal to FL3 in AM Tx Mode

D020

DDE1N4148

Switch Diode (1N4148)

Switching Diode-Disable AM receiving path in Tx Mode

D021

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Disable SSB receiving path in Tx Mode

D022

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Disable SSB IF amplifier in Tx Mode

D023

DDE2-1K60

RF Diode (1N60)

AM Demodulator

D024

DDE2-1K60

RF Diode (1N60)

AM Demodulator

D025

DDE1N4148

Switch Diode (1N4148)

Switching Diode-Enable SSB lFcircuitinSSB Mode

D026

DDE1N4148

Switch Diode (1N4148)

ANL circuit

D027

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Mute SSB Carrier re-insertion in AM Mode

D028

DDE1N4148

Switch Diode (1N4148)

Switching Diode-Mute Rx audio in Tx Mode

D029

DDE1N4007

Power Diode

Voltage Clamping

D030

DDESVC251

VC Diode

PLL VCO

D033

DDE1N4148

Switch Diode (1N4148)

Switching Diode PLL VCO circuit

D034

DDE1N4148

Switch Diode (1N4148)

Switching Diode - LSB mode

D035

DDE1N4148

Switch Diode (1N4148)

Switching Diode - USB mode

D036

DDE1N4148

Switch Diode (1N4148)

 Switching Diode-AM mode

D038

DDE1N4148

Switch Diode (1N4148)

Switching Diode - voltage gating

D039

DDE1N4148

Switch Diode (1N4148)

Voltage Clamping

D040

DDE1N4148

Switch Diode (1N4148)

 Switching Diode - enable 2nd offset oscillator in SSB Mode

D057

DDE1N4148

Switch Diode (1N4148)

Switching Diode -AM mode

D068

DDE1N4148

Switch Diode (1N4148)

Switching Diode-USB mode

D069

DDE1N4148

Switch Diode (1N4148)

SSB power control TR47 in AM mode

D060

DDE1N4148

Switch Diode (1N4148)

Switching Diode - LSB mode

D061

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Mute Squelch when PLL is out of lock

D062

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Disable balanced mixer output in Rx Mode

D063

DDE 1N4148

Switch Diode (1N4148)

Switching Diode - Disable balanced mixer input in AM Mode

D065

DDE1N4148

Switch Diode (1N4148)

Voltage Clamping

D066

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Disable PTT when PLL is out of lock

D067

DDE1N4148

Switch Diode (1N4148)

control

D068

DDE1N4148

Switch Diode (1N4148)

Audio Detector for automatic mic audio level control

D069

DDE1N4148

Switch Diode (1N4148)

Audio Detector for automatic mic audio level control

D070

DDE1N4148

Switch Diode (1N4148)

Switching Diode - ALC operation

D071

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Mute Mic audio during receive mode

D074

DDE1N4148

Switch Diode (1N4148)

Switching Diode - AM mode

D076

DDE-C5V1G

Zener 5.1v ±2% On 5506

Voltage offset for Rx active voltage switch TR36/TR38

D077

DDEMA29A

VR Diode (KB362)

Switching Diode for Tx active voltage switch TR38

D078

DDE-C7V5G

Zener 7.5V ±2%

Reference voltage source for8V voltage regulator TR40/TR41

D079

DDEMA29A

VR Diode (KB262)

Bias Diode for8V voltage regulator TR40/TR41

D080

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Mute AF Power amplifier in Tx Mode

D081

DOE1N4148

Switch Diode (1N4148)

Switching Diode - PTT keying control

D082

DDE1N4148

Switch Diode (1N4148)

Switching Diode - PTT keying control

D083

DDE 2-160

RF Diode (1N60)

Audio Detector for ALC operation

D084

DDE1N4148

Switch Diode (1N4148)

Switching Diode-SSB mode

D086

DDE1N4148

Switch Diode (1N4148)

Transmit level detector for TX Power meter

D087

DDE1N4148

Switch Diode (1N4148)

Transmit level detector for TX Power meter

D088

DDEMA29A

VR Diode (MV1Y)

RF Power Transistor bias protection temperature sensor

D089

DDEMA29A

VR Diode (MV1Y)

RF Power Transistor bias protection temperature sensor

D060

DDE1N4148

Switch Diode (1N4148)

Voltage Clamping

D061

DDE1N4148

Switch Diode (1N4148)

Voltage Clamping

D062

DDE1N4148

Switch Diode (1N4148)

Bias Control for TR53

D063

DDE1N4004

Power Diode

Secondary Power Supply polarity reversal protection

D094

DDE1N4148

Switch Diode (1N4148)

Switching Diode - enable 2nd offset oscillator in TX Mode

D094a

DDESVC251

VC Diode

PLL VCO

D097

DOE1N4148

Switch Diode (1N4148)

Switching Diode - PA Operation

D113

DDE1N4148

Switch Diode (1N4148)

Switching Diode - Disable Rx audio during PA operation

D114

DDE1N4148

Switch Diode (1N4148)

Voltage Clamping

D116

DDE-C7V5G

Zener 7.5V ±2%

Voltage regulator for PA circuit

D123

DDE1N4148

Switch Diode (1N4148)

Switching Diode PLL VCO circuit

D124

DDESVC251

VC Diode

PLL offset frequency oscillator - Clarifier frequency control

D125

DDE 1N4148

Switch Diode (1N4148)

Switching Diode - disable AM IF in SSB or TX Mode

D401

DDE2-1K60

RF Diode (1N60)

SWR signal detector

D402

DDE2-1K60

RF Diode (1N60)

SWR signal detector

D501

DDE6A05

Diode 6A/50V On DC Socket

Primary Power Supply polarity reversal protection

D601

DDE1N4148

 Switch Diode (1N4148)

Logic Switch SSB Mode Switching

D602

DDE1N4148

 Switch Diode (1N4148)

Logic Switch SSB Mode Switching

D701

DSG-MEL-MM4148

Switch Diode (1N4148) SMD

Clock Input Switch for IC706

D901

DDE1N4148

 Switch Diode (1N4148)

Super Clear Drive Switching

D902

DDE1N4148

 Switch Diode (1N4148)

Super Clear Drive Switching

D801

DDE1N4148

 Switch Diode (1N4148)

Logic Switch Switching

D802

DDE1N4148

 Switch Diode (1N4148)

Logic Switch Switching