JPH0390115U - - Google Patents
Info
- Publication number
- JPH0390115U JPH0390115U JP15042289U JP15042289U JPH0390115U JP H0390115 U JPH0390115 U JP H0390115U JP 15042289 U JP15042289 U JP 15042289U JP 15042289 U JP15042289 U JP 15042289U JP H0390115 U JPH0390115 U JP H0390115U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input
- frequency
- mixer
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例のブロツク構成図、
第２図は本考案の一実施例の要部の回路図、第３
図は従来の一例のブロツク構成図である。
１……入力端子、５……ミキサ、６……局部発
振器、７……アンプ、８……減衰器、９……ケー
ブル。
FIG. 1 is a block diagram of an embodiment of the present invention.
Figure 2 is a circuit diagram of the main part of an embodiment of the present invention;
The figure is a block diagram of a conventional example. 1...Input terminal, 5...Mixer, 6...Local oscillator, 7...Amplifier, 8...Attenuator, 9...Cable.
Claims (1)
入力信号を一定周波数の発振信号と混合器で混合
することにより、該入力信号を周波数変換する周
波数変換回路において、 前記入力信号を増幅する増幅器と、 前記増幅器により増幅された信号を減衰し、前
記混合器に供給する減衰器とを具備してなる周波
数変換回路。[Claims for Utility Model Registration] In a frequency conversion circuit that converts the frequency of an input signal input from a cable connected to an external device by mixing the input signal with an oscillation signal of a constant frequency in a mixer, the input A frequency conversion circuit comprising: an amplifier that amplifies a signal; and an attenuator that attenuates the signal amplified by the amplifier and supplies the signal to the mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15042289U JPH087691Y2 (en) | 1989-12-27 | 1989-12-27 | Frequency conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15042289U JPH087691Y2 (en) | 1989-12-27 | 1989-12-27 | Frequency conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0390115U true JPH0390115U (en) | 1991-09-13 |
| JPH087691Y2 JPH087691Y2 (en) | 1996-03-04 |
Family
ID=31696771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15042289U Expired - Fee Related JPH087691Y2 (en) | 1989-12-27 | 1989-12-27 | Frequency conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087691Y2 (en) |
-
1989
- 1989-12-27 JP JP15042289U patent/JPH087691Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087691Y2 (en) | 1996-03-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |