Specifications Prices
Compact all-mode communications receiver providing general coverage reception from 50 kHz to 30 MHz. High sensitivity and dynamic range, selectable CW sideband, noise blanker, multi-function scanning, 50 memories, two clocks, timer, CAT system. Ideated in Japan, year of introduction 1993.
Reference market : amateur-radio
FRG-100 specifications
| General |
| Frequency coverage | |
|---|---|
| 0.0500 ~ 30.0000 MHz | |
| Mode | |
| CW / LSB / USB / AM / FM [1] | |
| Tuning step | |
| 10 / 100 Hz / 1 / 100 KHz / 1 MHz
0.1 ~ 100 KHz programmable |
| Receiver |
| Sensitivity | |
|---|---|
| CW / SSB [3] | <4 uV (0.1~0.25 MHz, 10dB S/N).
<1 uV (0.25~0.5 MHz, 10dB S/N). <2 uV (0.5~1.8 MHz, 10dB S/N). <0.25 uV (1.8~30 MHz, 10dB S/N). |
| AM [4] | <10 uV (0.1~0.25 MHz, 10dB S/N).
<2 uV (0.25~0.5 MHz, 10dB S/N). <4 uV (0.5~1.8 MHz, 10dB S/N). <1 uV (1.8~30 MHz, 10dB S/N). |
| FM [1][5] | <0.5 uV (28~30 MHz, 12dB SINAD). |
| Selectivity | |
| CW-N [6] | 0.24 kHz (-6dB)
0.7 kHz (-60dB) |
| CW-N [7] | 0.5 kHz (-6dB)
1.1 kHz (-60dB) |
| CW / SSB | 2.4 kHz (-6dB)
4.5 kHz (-60dB) |
| AM-N | 4.0 kHz (-6dB)
15 kHz (-50dB) |
| AM | 6.0 kHz (-6dB)
18 kHz (-50dB) |
| FM [1] | 15 kHz (-6dB)
30 kHz (-60dB) |
| RF attenuator | |
| 6 / 12 / 18 dB | |
| DR (Dynamic Range) | |
| 99dB (50 KHz spaced signals) [8] | |
| Blocking | |
| 127dB (100 KHz spaced signal) [8] | |
| Image rejection | |
| >60 dB (1.8~30 MHz) | |
| IF rejection | |
| >70 dB (1.8~30 MHz) | |
| NB (Noise Blanker) | |
| Yes | |
| AGC (Automatic Gain Control) | |
| Fast / Slow | |
| Frequency stability | |
| ± 10ppm with temperature from -10°C to +50°C
± 2ppm with temperature from 0°C to +50°C [2] |
|
| IF (Intermediate Frequency) | |
| 1° | 47.21 MHz |
| 2° | 455 kHz |
| Squelch sensitivity | |
| CW / SSB / AM | <2 uV (1.8~30 MHz) |
| FM | <0.32 uV (28~30 MHz) |
| CW features | |
| 400 / 500 / 600 / 700Hz pitch adjust.
Selectable CW sideband. [9] Reverse BFO offset. [9] |
|
| Features |
| Memory | |
|---|---|
| 50 regular memories
2 band-edge memories for scanning |
|
| Display | |
| 10 Hz frequency resolution | |
| Antenna | |
| SO239 50Ω
Spring terminals 450Ω |
|
| Power supply | |
| 11 ~ 14 VDC | |
| Power consumption | |
| 1.2A max | |
| Audio power | |
| 1.5 W on 4Ω | |
| Audio output | |
| Jack 6.35 mm | |
| Connections | |
| Jack 3.5 mm (external speaker)
Jack 3.5 mm (REC) Jack 3.5 mm (recorder control) RCA (mute) 6-pin DIN (CAT) |
| Mechanical and environmental data |
| Dimensions | |
|---|---|
| 238 (W) x 93 (H) x 243 (D) mm | |
| Weight | |
| ~3kg |
- With optional FM Unit-100.
- With optional TCXO-4 module.
- 2.4 kHz bandwidth.
- 6.0 kHz bandwidth.
- 15 kHz bandwidth.
- With optional YF-110CN filter.
- With optional YF-110C filter.
- This parameter, not in official data, was obtained with direct tests.
- Note. Selectable CW sideband and Reverse BFO offset are two separate functions.
This radio is also sometimes informally referred to as the FRG-100B, reflecting improved filter performance in later production after November 1993.
FRG-100 in comparison with IC-R72 / AR-7030 :
| Brand | ICOM | Yaesu | AOR |
| Frequency coverage | 0.03-30 MHz | 0.05-30 MHz | 0.001-32 MHz |
| AM/SSB/CW | ✔ | ✔ | ✔ |
| AM-S | ✔ | ||
| FM | Optional | Optional | ✔ |
| SSB filter | 2.3KHz (-6dB) 4.0KHz (-60dB) | 2.4KHz (-6dB) 4.5KHz (-60dB) | 2.3KHz (-6dB) 3.3KHz (-60dB) |
| AM filter | 6.0KHz (-6dB) 20KHz (-50dB) | 6.0KHz (-6dB) 18KHz (-50dB) | 6.9KHz (-6dB) 11.6KHz (-60dB) |
| IF output | ✔ | ||
| S-meter | Analogic | Analogic | Digital-bar |
| Memories | 99 | 50 | 100 |
| Year | 1992 | 1993 | 1995 |
FRG-100 rear panel and connections :
Yaesu FRG-100 rear panel and connections
| Reference / Description | |
|---|---|
| 1 | DC 12V IN This is the 13.8-volt DC power connector. Be sure to use a coaxial-type barrel plug. A stable regulated power supply capable of providing at least 2 Ampere is recommended. Ensure that the center conductor is wired + (positive) and the outer conductor is wired - (negative). |
| 2 | CAT This 6-pin DIN plug allows external computer control of the FRG-1OO when used with the optional FIF Interface and software. |
| 3 | EXT SPKR This 2-contact mini phone jack provides receiver audio for an external loudspeaker with an impedance of 4-16Ω. |
| 4 | REC This jack provides a constant level (40mV @ 50kΩ) audio output, which is unaffected by the Volume control. This audio can be used for recording purposes, and for connection to data demodulator/ decoder equipment. |
| 5 | REMOTE Use this jack to remote control an external tape recorder. When receiver squelch opens, this jack goes to ground, closing the circuit to activate a tape recorder or other device. |
| 6 | MUTE If using the FRG-1OO with a transceiver, shorting this jack during transmit will mute receiver output and attenuate RF signal input. Check with information provided with your particular transceiver for proper connection. |
| 7 | ANT LO-Z Connect the 50Ω coaxial feed line to your low-impedance antenna here using a type-M (PL-259) connector. |
| 8 | BACK UP ON/OFF This switches the lithium memory back-up battery. It normally should be left in the ON position. |
| 9 | ANT HI-Z Use these spring-loaded terminal connectors to connect a high-impedance antenna. |
| 10 | GND Connect this terminal to a quality (RF) earth ground. |
FRG-100 price
We have collected for your convenience the Yaesu FRG100 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 519.00 (379GBP) |
2021-aug |
Second Hand Comes with manual and AC cable |
|
USD 360.00 (475AUD) |
2016-mar |
Second Hand Good condition overall |
| USD 429.95 | 2014-apr |
Second Hand This radio includes the original Owner's manual and power supply |
FRG-100 review
 | Rainer Lichte | October-6 2023 |
Hi!
With more than 25 receivers at my disposal, I certainly give this little receiving machine top marks. In direct comparison, the FRG-100 is more than equal to FRG-8800 and Kenwood R2000. Above all, this receiver ist wide open to performance improving modifications, e.g. filters, audio clarity, and MW reception. The internet will deliver quite useful information and sources.
Interesting: old YAESU accessories, e.g. FRT-7700 or FRA-7700 will work beautifully with this RX. For real enjoyment, an external speaker is needed, e.g. YAESU SP-55 or anything small with an oval speaker chassis. A thorough study of the manual is highly recommended. In 25 years of use I never had any electrical or mechanical problem. I strongly recommend the B Version because there are better IF-filters installed.
[End post]
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