Mobile 144-148 MHz FM-mode transceiver, provides power output at 5(Low) or 25(High) Watts. PLL synthesizer, double conversion receiver, low noise dual-gate MOSFET preamplifier, S and RF meter LED bar indicator, 5 memory channels, 600 kHz and odd shift frequencies for repeater operation, scan feature, hand microphone with Up-Down switch. Rig with 144 discrete semiconductors and 15 integrated circuits. Ideated in Japan, year of introduction 1981.
Reference market : amateur-radio
TR-7730 specifications
General |
Frequency coverage | |
---|---|
Receive | 144.0000 ~ 147.9950 MHz
143.9000 ~ 148.9950 MHz [1] |
Transmit | 144.0000 ~ 147.9950 MHz
143.9000 ~ 148.9950 MHz [1] |
Mode | |
FM | |
Tuning step | |
5 [1] / 10 [1] kHz |
Receiver |
Sensitivity | |
---|---|
FM | <0.25 uV (12dB SINAD)
<0.5 uV (30dB S/N) |
Selectivity | |
FM | >12 kHz (-6dB)
<25 kHz (-60dB) |
Image rejection | |
>60 dB | |
Frequency accuracy | |
±20ppm max with temperature from 0°C to +50°C | |
IF (Intermediate Frequency) | |
1° | 10.7 MHz |
2° | 455 kHz |
Squelch sensitivity | |
0.16 uV (threshold) |
Transmitter |
Output power | |
---|---|
FM | 5 [2] / 25 W |
Spurious emission | |
<-60 dBc (at 25W power)
<-53 dBc (at 5W power) |
|
Maximum deviation (FM) | |
±5 kHz | |
Microphone | |
500Ω (dynamic) |
Features |
Memory | |
---|---|
4 standard memories
1 split RX/TX frequency memory |
|
Display | |
1 kHz frequency resolution
15-segments signal meter bar |
|
Selective calling | |
Tone encoder [3] | |
Antenna | |
SO239 50Ω | |
Power supply | |
13.8 VDC (±15%) | |
Power consumption | |
<2.5mA (RAM back up)
400mA RX (with no input signal) 3.0A TX (at 5W power) 5.5A TX (at 25W power) |
|
Audio power | |
>2W on 8Ω | |
Audio output | |
Jack 3.5 mm (external speaker) | |
Connections | |
Jack 6-pin (Mic)
Terminal (RAM back up power) |
Mechanical and environmental data |
Operating temperature | |
---|---|
from -20°C to +60°C | |
Dimensions | |
147.5 (W) x 51.5 (H) x 198 (D) mm without projections | |
Weight | |
1.5 kg |
- USA version with extended frequency coverage and standard CH step.
- Adjustable.
- A switch is provided to control a optional tone board.
With power supplied from battery, the microprocessor keeps operating even when the power switch is OFF. In this case, current drain is low, approximater 2 mA. For vehicle installation: The car can be parked overnight with little battery power consumed. However, when the car is to be parked for a long period of time (more than 1 month), it is advisable to disconnect the power plug. In this case, the back up function is disabled. If power is diconnected, the back-up function is retained for only 1-1.5 seconds. If instantaneous voltage drop at engine-starting continues for more than 2 seconds, the microprocessor will be reset and the memory cleared.
TR-7730 price
We have collected for your convenience the Trio Kenwood TR7730 sale price (US Dollar) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.
Price | Date | Condition |
USD 174.99 | 2020-nov |
Second Hand Working, in great condition physically |
TR-7730 review
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