Series 100 monoband transceivers
From the mid 1980s until the early 1990s Tokyo Hy-Power marketed a series of seven monoband HF and 6 meter SSB/CW transceivers, collectively known as Series 100. The actual model numbers were:
Each rig had a rated output power of 20 watts PEP SSB or CW, with the exception of the HT-106 (pictured, above) which was rated for 10 watts output. Tokyo Hy-Power sold them under their own name except in the United States, where they were sold by two different manufaturers under their own brand.
The initial US
distributor was Amp Supply Company. The Amp Supply version of the rig, shown at left,
looked quite different from any of the other versions, with a distinctive black and grey
color scheme and red LEDs rather than the more familiar yellow-green display seen in later
versions of these rigs. Amp Supply advertised the 10, 15, 20, 40, and 80 meter versions,
but only actually imported three models: the TR-110 for 10 meters, the TR-120 for 20
meters, and the TR-180 for 80 meters. Very few TR-120 transceivers exist and this model
is exceedingly rare. Only the 10 meter version (pictured, left) sold in any number.
After Amp Supply
went out of business the line was picked up by Kantronics, best known for their packet
and digital equipment, and they imported all of the models except the HT-106. The
Kantronics version of these rigs looked just like the Tokyo Hy-Power version pictured at
the top of the page though some early 10m models still had the red LEDs. The model
numbers were in the series KT-1xx. For example, the Kantronics 15 meter version was
the KT-115. None of the Kantronics radios sold in any great numbers, but the 15 and
30 meter versions seem to be the most common. The 30 meter KT-130 is pictured at right.
Note that the rig is not strictly CW. It is interesting that a version of the rig that
allows 30m SSB was sold in the United States, where no SSB operation is permitted on
that band.
Options sold for the Series 100 included the HN-100 noise blanker board, a narrow CW filter, and a mounting bracket, model HBK-100. Accessories included the HP-100S 5 amp power supply with built-in speaker, and the HL-100B amplifier, which boosted any of the HF models to 125 watts out. The HL-100B had plug-in band pass filters, so they were, in effect, monoband amps to match the monoband radios. (One filter covered both 10 and 15 meters, so one amp could be used for both the HT-110 and HT-115.)
Specifications:
Frequency range:
HT-180 (80m band) 3.5000 - 3.9999MHz
HT-140 (40m band) 7.0000 - 7.4999MHz
HT-130 (30m band) 10.0000 - 10.4999MHz
HT-120 (20m band) 14.0000 - 14.4999MHz
HT-115 (15m band) 21.0000 - 21.4999MHz
HT-110 (10m band) 28.0000 - 28.9999MHz
HT-106 (6m band) 50.0000 - 51.9999MHz
Frequency Stability: from one minute after power on until 60 minutes, within +/- 150Hz, then within 100Hz per 30 minutes
Antenna Impedance, Antenna Connector: 50 ohms, SO-239
Supply Voltage: DC 13.8V +/-10%
Grounding Polarity: negative ground
Power Consumption:
Transmission = Max. 5.0A
Reception = Max. 700mA
VFO, Dial Indication: PLL sythesized digital VFO. Four digit LED display.
Dimensions:
180mm(W) x 70mm(H) x 250mm(D)
7.09"(W) x 2.36"(H) x 9.84"(D)
Weight: Approx. 2.6kg (5.7 lbs.)
Accessory circuitry: CW sidetone monitor circuit
Accessories: microphone, DC power cord, spare fuse (5A), instruction manual
Transmitter Section:
Mode: SSB (A3j), CW (A1)
Max. Transmitter Ouput Power:
SSB = 20W PEP (HT-106: 10W PEP)
CW = 20W (HT-106: 10 W)
SSB Modulations: balanced modulation (IC)
Spurious Level: -40dB or less
Carrier Suppression: -40dB or greater
Microphone Input Impedance: 600 ohms
Receiver Section:
Receiver Circuitry: single superheterodyne
IF: 9MHz
Receiving Selectivity: for 0.4uV input, S+N/N=10dB min.
Selectivity:
+/-1.1KHz or over = -6dB
+/-3.0KHz or less = -60dB
with optional CW filter:
+/- 250Hz or over = -6dB
+/-800Hz or over = -60dB
RIT (Receiver Incremental Tuning): +/-1KHz
Audio Frequency Output: 1W or over (for 8 ohm load at 10% distortion)
-Last updated 10/23/2005