I
MODEL 4OO
TRANSCEIVER
SPECIFICATIONS
FREOUENCY RANGES
Foll frequency coverage of 80, 40, 20,
I5,
and
l0 meter amateur radio bands
in
8
ranges oJ 500 kc each, as Iollows:
3,5-4.0, 7. 0
-7.
5, t3.85-14.35, 21.0-
2r, 5,
28. 0-28. 5, 28. 5
-29.
0, 29. 0
-
29.5, 29.2-?9.1rnc.
Model 4068
Frequercy Contlol Unit
Full
phone band coverage of 80, 40,
20,
and l5 meters,
plus
a 500
kc
segment of l0 lneters, as
follows:
3
.
8
-4.
0, 7
.
r
-7
.
3
,
14. r5
-r4.35,
21.25
-21.45,
28. 5
-29,
0 rnc.
POWER INPUT
bands.
cw
-320
Watts DC input
on
all
bands,
AM
(Sinsle
Sideband
With Carrier)
IZ5 Watts
DC input
on
all
bands.
DISTORTION
Distortion
products
downat
least30 db.
UNWANTED
SIDEBAND SUPPRESSION
Unwanted
sidebaDd downat
least40 db.
CARRIER SUPPRESSION
Carr:ier
suppression at Ieast 50 db,
RECEIVER SENSITIVITY
Less
than 0.5
Inicrovolt at 50 ohms
irnpedanc
e for 6ignal-plus-noise
to
noise ratio
of I0 db.
AUDIO
OUTPUT
AND RESPONSE
Audio
output through
built-in speaker
approx.
3 watts
to
3,2
ohrn load.
Response
essentially
flat 300 to 3000
cps
on both teceive and
transmit.
METERING
PA Cathode
current, 0-800
rrla on
tran6mit
S-Meter, 0-?0
db over 59
FRONT
PANEL CONTROLS
Function Switch,
Sideband Selector,
Phone-CW, AF
Gain, Bandswitch'
Mic. Gain,
Carrier
Balance,
PA
Plate
Tune,
PA Grid
Tune, PA Load Coarse,
PA
Load Fine, VOX-PTT
REAR
PANEL CONTROLS
AND
CONNECTORS
Bias Potentiometer,
Grid
-Block
CW
key
jack,
Jones
plug powe!
connecto!,
VOX
Connector,
F requency Control
Unit Connecto!,
Antenna, S-Meter
Zero,
SPDT
Relay
Terrninal.
FREOUENCY
CONTROL
UNIT CONTROLS
Bardswitch,
Main
Tuning, RF Gain
2
VACUUM
TUBE COMPLEMENT
Vl
-
6EW6 VFO Amplifier
YZ
-
IZBE6 Transrnitter
Mixer
vJ
-
ou.t\.o.urrver
V4
-
6HF5 Power Amplilier
v)
-
bill
)
rowe r Arnprlri
e r
V6
-
IZBZ6 Receiver
RF Amplifier
Y?
-
IZBE6 Receiver
Mixer
V8
-
6EW6 First IF Amplifier
V9
-
l28.q.6 Second
IF AmPlifier
Vl0
-
IzAX7 Product
Detector/Receiver
Audio
6BN8 AGC Amplifie
r/ Detector
6GK6 Audio Output
l2I}A6
I00 KC Cryslal Calibrator
7360
Balanc€d Modulator
12I}A6 Carlier O scillator
I ZAXT Mic.
Amplifier
/
Transrnit
Vl?-
OAZ
Voltage
Regulator
DIODE AND TRANSISTOR
COMPLEMENT
QI,i
2N70
6 Oscillator
QZ*
2N706
Emitte r Follower
D40l TS
-2
ALC
Diode
D4oz TS
-2
ALC Diode
D60l TS
-2
S-Meter
Delay
Dl?01
IN29?4A Zener Voltage Regulator
i.
Transistor
cornplement identical for
eithei Model
4I0 or Model 4068
Frequency Control
Unit.
TRANSMITTER
OUTPUT IMPEDANCE
Wide
-
range Pi-network
output matche8
antennas
e6sentially resistive at 20
to
300
ohms impedance with
provision8
for
both coarse and fine adju6t,
POWER REOUIREMENTS
vtr-
ylz-
vl3-
vl4
-
vl5-
vl6-
Filarnents
ReIay
Bias
Medium Voltage
High Voltage
DIMENSIONS
12.
6 volts, 5.5 amp
12 volt6
dc, 250 ma
-
I l 0 volts dc, 100 rna
2?5 volts dc, 150
ma
800 volts
dc, 500 rna
Model 400 Transceiver
5-l/2
ir'. high, l3
in. wide, IL in. deep
Model 410
Frequencv Control
Unit
5-l
lZ
A,
t^rgn, 6-l/2 in. wide, I I
in.
deep
Control Unit
3
in, high, 1-3/4ir,.
wide, 5 in. deep.
WEIGHT
Mode] 400
Transceiver:
Model 410
Frequency Control
Unit
Model 4068
Frequency Control
Unit
t7lb,
'-
91b.
3 lb.
Sinele Sideband
Su
Car!ie!
400 Watts
PEP,
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