Related Manuals for BG7TBL FA-2
Summary of Contents for BG7TBL FA-2
- Page 1 FA-2 frequency counter USER MANUAL USER MANUAL USER MANUAL USER MANUAL Copyright @2019 BG7TBL. All rights reserved. Printed in CHINA...
- Page 2 This manual describes how to install and use This manual describes how to install and use This manual describes how to install and use This manual describes how to install and use FA-2 frequency counter FA-2 frequency counter FA-2 frequency counter..
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Page 3: Key Features
Key Features 1. High speed, high precision, up to 11 digit/second@10MHz 2. CH2 input up to 6GHz 3. High precision internal OCXO, supports external 10MHz reference frequency 4. Statistical functions: Display average, max, min, p-p frequency. 5. With USB port, connect to PC, data format compact version of HP53131 mode 6. - Page 4 Overview The FA-2 Frequency counter is a high precision, high speed counter, with statistics function and auto ranging input frequency. It is convenient for long-term monitoring of external frequency changes. Channel 2 can measure frequencies up to 6 GHz. It uses a built-in OCXO, or use an...
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Page 5: Specification
Specification Type: FA-2 CH1 Frequency range：1Hz-200MHz CH1 Input impedance: 50 OHM/1M OHM CH1 Input sensitivity：50 OHM: 25mVrms-2Vrms 1MOHM: 25mVrms-10Vrms CH1 Frequency resolution：0.1s：0.001Hz@10MHz 1s: 0.0001Hz@10MHz 10s: 0.00001Hz@10MHz CH1 Test speed:12digits/second@100MHz-200MHz 11digits/second@10MHz-99.999999MHz, 10digits/second@1MHz-9.999999MHz 9digits/second@0.1MHz-0.999999MHz 8digits/second@90kHz-99kHz 8digits/second@1Hz-89.999kHz CH1 Power test range：-50dBm-+20dBm, 1MHz-550MHz@50 OHM CH1 Power accuacy: 0.5dB@10MHz... - Page 6 Gate time：0.1s/1s/10s Internal frequency standard: 10MHz OCXO Internal frequency standard ageing: 0.5Hz/year 10MHz Reference frequency output power: 4dBm External reference frequency input level range: 0dBm to +20dBm Run mode: CH1 frequency CH1 statistics CH2 frequency CH2 statistics Front panel: MODE, change mode GATE: change gate time.
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Page 7: Quick Start
Quick Start Rear Panel rear panel 1: 10MHz Frequency standard input and output 2: USB port, chip is FT232RL, USB driver is available from the FTDI web site 3: Internal OCXO frequency adjust 4: Power on/off 5: DC12V input... -
Page 8: Front Panel
Front Panel Front panel 1: 2864 LCD 2: MODE key ， change run mode 3: GATE key, change gate time 4: RST key, restart test, RST+GATE, open/closed ch1 LPF, RST+MODE, CH1 select 50R/1MOHM 5: Channel 2 input 6: Channel 1 input... - Page 9 LCD display data CH1 FREQ 1: CH1 input power 2: Frequency display area 3: Units 4: Gate time，0.1s, 1s, 10s 5: Internal/external frequency standard 6: CH1 input impedance, 1MOHM/50R 7: Gate state, display * means gate is open, else gate closed 8: Display P means high precision mode 9 : 150kHz LPF...
- Page 10 Channel statistics mode 1-4000000000，statistical points. Latest measured frequency Average value Max value Min value Peak-peak value Input impedance, 50OHM OR 1MOHM Std internal or extern Gate times LPF select...
- Page 11 Channel 2 frequency mode Latest measured frequency Std selected Gate time *P reference is only for CH1 FREQ mode...
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Page 12: Config Command
Channel 2 statistics mode Channel 2 statistics mode Connection to PC USB Port: Connect to PC，USB chip is FT232RL. 4.5 Config command Default baud rate is 9600bps, ascii encoding $R* Press RST key, return KEY RST ROK<CR><LF> $M* Press MODE key, return KEY MODE MOK<CR><LF> $G* Press GATE key, return KEY GATE GOK<CR><LF>... - Page 13 $CXX* XX:0-63, setting LCD contrast, save in EEPROM, return SET LCD CONTCOK<CR><LF> $BXXXXX* setting baudrate, XXXXX 00480, 00960, 01920, 03840, 05760, 11520, Power off without save, return BOK<CR><LF> $S* Read statistics data The following instructions are powered off and saved: $E2020* Power up select CH1 frequency mode $E2121* Power up select CH1 frequency statistics mode $E2222* Power up select CH2 frequency mode...
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Page 14: User Notes
$E3434* Open high precision mode $E3535* Close high precision mode, all input frequency is 8 digits/second $E3636* Open CH1 LPF $E3737* Close CH1 LPF $E4040* Select CH1=50R,input 10MHz, 0dBm,calibration of power meter, used with $E4141* command $E4141* Select CH1=50R,input 10MHz, -20dBm, calibration of power meter 4.6 User notes Keep instrument away from high temperature, away from interference, power input must be less than DC12.5V... - Page 15 6 FAQ Q : How can I know the machine is good. A : Connect front panel 10MHz to rear panel CH1, if LCD will display 10MHz counter is good. Q: When measuring low frequencies, display is not accurate/unstable A: Enable LPF...
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