Specifications - Kenwood TS-670 Instruction Manual

9. SPECIFICATIONS
[General]
Transmit/receive frequency range:
40 m band: 7.0 — 7.1 MHz
15 mband: 21.0 — 21.45 MHz
10 m band: 28.0 — 29.7 MHz
6 m band: 50.0 — 54.0 MHz
Mode:
SSB (A3J), CW (A1), AM (A3) and FM (F3-option)
Antenna impedance: 50 0
Supply voltage: 12 — 16 V DC
(Reference voltage: 13.8 V DC)
Power consumption:
Approx. 4 A at transmission
Approx. 1.1 A at reception with no signal
Dimensions: W270(279) x H96(108) x D260(298) mm
Dimensions in (_ ) are the maximum, including projec-
tions.
Weight: 5.4 kg (11.88 Ib)
[Transmitter]
Final power input: SSB, CW, FM 10 W
AM 4W
Modulation :
SSB: Balanced modulation
FM : Variable reactance direct shift
AM $: Low level modulation
Carrier suppression: Better than 40 dB
Unwanted sideband suppression: Better than 50 dB
Unwanted radiation intensity:
7, 21, 28 MHz bands : Less than —40 dB
50 MHz band : Less than —60 dB
21 MHz band 5th higher harmonic: Less than —70 dB
50 MHz band 2nd higher harmonic: Less than —70 dB
Transmission frequency response (SSB): 400 — 2600 Hz
(better than —6 dB)
Maximum frequency deviation (FM): +5 kHz
(FM-430 installed)
Microphone impedance: 500 2 — 50 kQ
[Receiver]
Circuitry: SSB, CW, AM: Single conversion superhetero-
dyne
FM : Double conversion superhetero-
dyne
Intermediate frequency: SSB, CW, AM: 8.83 MHz
FM: 1st IF 8.83 MHz
: 2nd IF 455 kHz
Sensitivity:
SSB, CW (10 dB S/N): Less than —12 dBy (0.25 pV)
AM (10 GB S/N) : Less than 6 dBy (2 pV)
FM (30 dB S/N) : Less than O dBy (1 pV)
(12 dB SINAD) __: Less than —8 dBy (0.4 pV)
With YK-88A inserted in AM mode.
With FM-430 inserted in FM mode.
Squelch sensitivity:
FM (28.50 MHz band): Less than —10 dBy (0.32 nV)
SSB, CW, AM : Less than 10 dBy (3.2 pV)
Image ratio: More than 50 dB
IF reflection: More than 50 dB
Selectivity:
-6 —60 dB
ssB,cw | 2.5kHz | 6 kHz
AM* | kHz | 11 kHz
FM** | 12kHz | 22 kHz
* With YK-88A inserted.
** With FM-430 inserted.
RIT variable range: More than + 1.2 kHz
Audio output power: More than 1.5 W
(with 8 Q load, 10% distortion)
Audio output impedance: 8 to 16 0
[Frequency Controller]
Frequency accuracy:
Within + 10x 10-6 at room temperature
Within +30 x 10-6 at O°C to + 50°C
Frequency stability (at reception):
Within +30 x 10-6 at O°C to +50°C.
Within +300 Hz for up to 60 minutes after turn-on,
and within 30 Hz for any 30 minute period thereafter.
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