Specifications - Kenwood TH-K4AT Service Manual

TH-K4AT/K4E
General
Market code
Number of memory channels
Antenna impedance (Connector type)
DC IN Jack
Operating Voltage
Battery terminal
Grounding method
Transmit with H, 13.8 V (DC IN)
Transmit with H, 7.2 V (PB-43N)
Transmit with M, 7.2 V (PB-43N) 1.5 A or less
Current
Transmit with L, 7.2 V (PB-43N)
Receive (no signal)
Battery Saver ON (Average)
Usable temperature range
Frequency stability
Dimensions (W x H x D Projections not included)
weight
Transmitter
Transmission Mode
Frequency range
DC-IN jack (13.8 V)
Output Power PB-43N (7.2 V)
BT-14 (9.0 V)
Modulation
Maximum frequency deviation
Squrious emissions
Microphone impedance
Receiver
Reception Mode
Frequency range
Intermediate Frequency (IF)
Circuit type
Sensitivity
Squelch Sensitivity
Selectivity
Audio output (10% distortion)
Note: All specifications (General, Transmitter and Receiver) are guaranteed within the amateur radio band.
KENWOOD CORPORATION
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, Japan
KENWOOD U.S.A. CORPORATION
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745,
U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB, United Kingdom
KENWOOD ELECTRONICS EUROPE B.V.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands

SPECIFICATIONS

TH-K4AT
M2
100 (50) + 8 special function memories
50 Ω (SMA)
DC 12.0 ~ 16.0 V (13.8 V nominal)
DC 6.0 ~ 9.0 V (7.2 V nominal)
Negative ground
1.8 A or less
2.0 A or less
0.8 A or less
100 mA or less
30 mA or less
–20° C ~ 60° C (–4° F ~ 140° F)
–10° C ~ 60° C (+14° F ~ 140° F) with PB-43N
Within ±5 ppm (–20° C ~ 60° C)
58 x 110 x 28.4 mm / 2 7/16" x 4 6/16" x 1 2/16" with PB-43N
58 x 110 x 29.6 mm / 2 7/16" x 4 6/16" x 1 5/32" with BT-14
Approx. 320 g / 11.3 oz with PB-43N
Approx. 320 g / 11.3 oz with BT-14
F3E (FM) / F2D (FM)
400 ~ 470 MHz
H: 5.0 W (approx.) M: 1.5 W (approx.)
H: 5.0 W (approx.) M: 1.5 W (approx.)
H: 3.5 W (approx.) M: 1.2 W (approx.)
Reactance
±5 kHz (FM) / ±2.5 kHz (NFM)
–60 dB or less (H and M power), –50 dB or less (L power)
2 kΩ
F3E (FM) / F2D (FM)
400 ~ 470 MHz
1st IF : 38.85 MHz
2nd IF : 450kHz
Double super - heterodyne
FM (12 dB SINAD)
70 cm amateur radio band: 0.18 µV or less
0.13 µV or less (within 70 cm amateur radio band)
–6 dB / 10 kHz or less
–40 dB / 28 kHz or less (within 70 cm amateur radio band)
400 mW or higher (7.2 V, 8 Ω load)
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 Milano, Italy
KENWOOD IBERICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.
Sales Marketing Division
1 Ang Mo Kio Street 63, Singapore 569110
TH-K4E
430 ~ 440 MHz
L: 0.5 W (approx.)
L: 0.5 W (approx.)
L: 0.3 W (approx.)
430 ~ 440 MHz
E